HomeMy WebLinkAbout10.Phase I ESA Tuscan RidgePhase I Environmental Site Assessment
TUSCAN RIDGE PROPERTY
Paradise, California
WKA No.12206.04
April 21, 2020
Prepared for:
Mr. Scott Bates
Tuscan Ridge Associates, LLC
1420 East Roseville Parkway, Suite 140
Box 247
Roseville, California 95661
Phase I Environmental Site Assessment
TUSCAN RIDGE PROPERTY
Paradise, California
WKA No.12206.04
April 21, 2020
Wallace-Kuhl & Associates (WKA), on behalf of the Tuscan Ridge Associates, LLC, prepared
this Phase I Environmental Site Assessment for the Tuscan Ridge Property located in Paradise,
California. We declare that, to the best of our professional knowledge and belief, the report
preparer and reviewer meet the definition of Environmental Professional as defined in §312.10
of 40 CFR 312 and have the specific qualifications based on education, training, and experience
to assess a property of the nature, history,and setting of the subject property. We have
developed and performed the all appropriate inquiries in general conformance with the
standards and practices set forth in 40 CFR Part 312.Resumes of the key staff who prepared
this report are included in Appendix A.
WALLACE-KUHL & ASSOCIATES
_______________________________________________
Nancy M. Malaret Kurt Balasek, P.G., C.HG.
Project Environmental Scientist Senior Hydrogeologist
Phase I Environmental Site Assessment
TUSCAN RIDGE PROPERTY
WKA No.12206.04
TABLE OF CONTENTS
EXECUTIVE SUMMARY .........................................................................................................i
1.0 INTRODUCTION ............................................................................................................1
1.1 Purpose......................................................................................................................1
1.2 Scope of Services ......................................................................................................1
1.3 Special Terms and Conditions....................................................................................2
1.4 User Provided Information..........................................................................................3
2.0 SITE DESCRIPTION ......................................................................................................4
2.1 Site and Vicinity General Characteristics....................................................................4
2.2 Site Reconnaissance..................................................................................................4
2.2.1 Municipal Infrastructure and Utilities.....................................................................5
2.3 Adjoining Properties ...................................................................................................5
3.0 INTERVIEWS .................................................................................................................6
3.1 Owner or Key Site Manager .......................................................................................6
3.2 Occupants (Multi-family or Major)...............................................................................6
3.3 Past and Present Owners, Operators, and/or Occupants ...........................................6
3.4 State and/or Local Government Officials ....................................................................6
3.5 Abandoned Properties................................................................................................7
4.0 RECORDS REVIEW.......................................................................................................8
4.1 Physical Setting Source(s).........................................................................................8
4.1.1 Regional and Local Geology ................................................................................8
4.1.2 Soil Survey...........................................................................................................9
4.1.3 Regional and Local Groundwater .........................................................................9
4.2 Historical Use Information ..........................................................................................10
4.2.1 Sanborn® Maps ...................................................................................................10
4.2.2 Topographic Maps ...............................................................................................10
4.2.3 Oil and Gas Well Maps ........................................................................................11
4.2.4 Aerial Photographs...............................................................................................11
4.2.5 Ownership Records..............................................................................................13
4.2.6 Building Department Records ..............................................................................13
4.2.7 Local Street Directories........................................................................................13
4.2.8 Zoning and Land Use Records.............................................................................13
4.2.9 Other Historical Sources ......................................................................................14
4.2.10 Prior Assessments ...............................................................................................14
Phase I Environmental Site Assessment
TUSCAN RIDGE PROPERTY
WKA No.12206.04
TABLE OF CONTENTS (Continued)
4.3 Environmental Record Sources ..................................................................................14
4.3.1 Regulatory Agency Databases.............................................................................14
4.3.2 Preliminary Screen for Vapor Encroachment Conditions......................................16
4.3.3 Environmental Lien Search ..................................................................................16
5.0 CONCLUSIONS AND RECOMMENDATIONS ...............................................................17
5.1 Data Gaps..................................................................................................................17
5.2 Conclusions................................................................................................................17
5.3 Recommendations .....................................................................................................18
5.4 Exceptions and/or Deletions.......................................................................................19
5.5 Additional Services.....................................................................................................19
6.0 LIMITATIONS .................................................................................................................20
7.0 REFERENCES ...............................................................................................................21
FIGURES
1 Vicinity Map
2 Topographic Map
3 Parcel Map
4 Aerial Site Map
5a Color Photographs
5b Color Photographs
5c Color Photographs
5d Color Photographs
APPENDICES
A Resumes
B ASTM E 1527-13 User Questionnaire and Helpful Documents Checklist
C EDR®Radius Map Report Executive Summary
D Preliminary Screen for Vapor Encroachment Conditions Matrix
E Site Visit Letters
Attached CD contains: EDR®Reports: (Radius Map Report, Aerial Photographic Decade
Package, Historical Topographic Maps, Sanborn Map Search), and Phase I ESA,Tuscan Ridge
Property (WKA No.12206.04 dated April 21, 2020).
Phase I Environmental Site Assessment
TUSCAN RIDGE PROPERTY
WKA No.12206.04
EXECUTIVE SUMMARY
The purpose of this Phase I Environmental Site Assessment (ESA) was to assess the Tuscan
Ridge Property (herein referred to as Site)for evidence of Recognized Environmental Conditions
(RECs)resulting from current and/or former Site activities.The Site is located in Paradise,
California (Figures 1, 2, 3, and 4)and is comprised of 175 acres of land that was formerly
developed with a golf course and has been setup with a basecamp for the emergency response
efforts for the Camp Fire. The Site is identified by two Butte County Assessor’s Parcel Numbers
(APNs): 040-520-100 and -103 (Figure 3).The following presents a list of observations and
findings identified during the preparation of this report:
The historical land use research dating back to the late 1800s revealed that the Site was
vacant land from at least 1891 to at least 1998. Railroad tracks were present on the
southern portion of the Site by 1941.The Site was developed with a golf course, with
three structures on the southeastern portion, by 2006. In December 2018, the Site was
graded and aggregate base was spread across the majority for the development of an
emergency basecamp for Pacific Gas &Electric (PG&E)and other contractors
responding to areas impacted by the Camp Fire.
During a visit to the property on January 2, 2019, WKA observed a mobile fueling area
on the central portion of the Site. WKA observed stained soils in the vicinity of mobile
fuel trucks.Subsequent site inspections were conducted on February 15, 2019, and
April 9, 2020. Site inspection reports for the subsequent visits describe that the mobile
fuel area was re-graded by February 15, 2019, and that PG&E had reportedly excavated
diesel impacted soil to bedrock and disposed of it off-site.
During a visit to the property on January 18, 2019, WKA observed two aboveground
storage tanks (ASTs) on the southeastern portion of the Site. WKA was not provided
additional information regarding the ASTs.
During a visit to the property on April 9, 2020, WKA observed that the Site was no longer
being used as a basecamp. The two ASTs observed in January 2019 remained on the
property. WKA observed that the majority of the Site’s surface had been graded with
gravel. WKA observed two lined ponds on the southern portion of the Site. WKA also
observed a series of green, PVC pipes protruding vertically from the ground on the
southwest portion of the Site. The pipes are associated with a new septic system that
has been installed at the Site.
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WKA No.12206.04
Given the age of development on the Site, it is unlikely that asbestos containing building
materials and lead-based paints were used in the construction and/or maintenance of
the Site buildings.
Given the documentation reviewed concerning the agency listings for neighboring
facilities, none of the facilities reviewed is likely to have a negative impact on the Site.
Based on the completion of the vapor encroachment condition (VEC) screening matrix,
WKA concludes a VEC can be ruled out because a VEC does not or is not likely to exist.
WKA has performed this ESA in conformance with the scope and limitations of ASTM Standard
Practice E 1527-13 for the Tuscan Ridge Property.
This assessment has revealed no RECs in connection with the Site except the following:
On-site concerns were noted from the presence of railroad tracks along the southern
property boundary by at least 1941.
On-site concerns were noted from the two ASTs located on the southeastern portion of
the Site.
Phase I Environmental Site Assessment
TUSCAN RIDGE PROPERTY
WKA No.12206.04
1.0 INTRODUCTION
1.1 Purpose
The purpose of this Phase I Environmental Site Assessment (ESA) was to evaluate the Tuscan
Ridge Property (herein referred to as Site)for evidence of potential Recognized Environmental
Conditions (RECs) resulting from current and/or former site activities as defined by the American
Society of Testing and Materials (ASTM) Standard E 1527-13 (ASTM, 2013).
According to the ASTM, “this practice is intended to permit a user to satisfy one of the
requirements to qualify for the innocent landowner,contiguous property owner, or bona fide
prospective purchaser limitations under CERCLA [Comprehensive Environmental Response,
Compensation and Liability Act] liability (hereinafter, the “landowner liability protections,” or
“LLPs”): that is, the practice that constitutes “all appropriate inquiry into the previous ownership
and uses of the property consistent with good commercial or customary practice” as defined at
42 U.S.C. §9601(35)(B).”
This ESA has been performed in general conformance with the ASTM Standard E 1527-13 and
the scope and limitations defined in Wallace-Kuhl & Associates (WKA)proposal, 3PR18254,
dated December 20,2018.
1.2 Scope of Services
WKA has completed this ESA for the Site shown on Figures 1 through 4.Mr. Scott Bates with
Tuscan Ridge Associates, LLC authorized WKA to proceed with this assessment on January 7,
2019,through a signed WKA Environmental Site Assessment Consulting Agreement.
The scope of this assessment included the following:
Conduct a site reconnaissance for visual evidence of surface contamination and
potential sources of subsurface contamination;
Conduct a visual inspection of the adjoining properties for evidence of RECs;
Conduct interviews with the following, as available:
Key site manager,
Major occupants,
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WKA No.12206.04
Past and present owners, operators,
Government and/or agency personnel, and,
Inquiries conducted at abandoned sites may include interviews with owners or
occupants of neighboring or nearby properties;
Conduct a records review, which included the following:
Physical setting documents to determine regional geology, general soil information,
and local and regional groundwater conditions,
Historical information, including but not limited to, Sanborn maps, topographic
maps, aerial photographs, ownership records, building department records, local
street directories, zoning and land use records, and prior assessments, as
available,
Environmental records, including federal, state, tribal, and county regulatory
agency lists that will help identify RECs on the Site and the adjoining properties,
and,
Based on the outcome of the database search, review of specific regulatory
agency files for identified contaminated facilities in order to evaluate whether the
listed facilities are hazardous materials threats to the Site;
Conduct a preliminary screen for vapor encroachment conditions on the Site per ASTM
E2600-15;
Review of the completed ASTM E 1527-13 User Questionnaire (Questionnaire)
regarding Recorded Environmental Liens, activity and use limitations (AULs),
relationship of the purchase price to the fair market value of the Site, and any
specialized knowledge of the Site;
Review of environmental liens and Activity and Use Limitations (AULs)reports, as
provided; and
Prepare a final report of the results of the ESA.
1.3 Special Terms and Conditions
No special terms or conditions to the WKA Environmental Site Assessment Consulting
Agreement or the WKA scope of services were requested or performed during the preparation
of this report.Tuscan Ridge Associates, LLC did not authorize WKA to conduct a search for
environmental liens and AULs.
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WKA No.12206.04
1.4 User Provided Information
WKA provided Tuscan Ridge Associates, LLC a copy of the User Questionnaire and the Helpful
Documents checklist.Mr.E.M. West,Tuscan Ridge Associates, LLC, completed and returned
the documents to WKA. Discussion regarding his responses is provided in the following
section. A copy of the completed questionnaire is included in Appendix B.
In summary, Mr.West was not aware of any records of environmental liens or AULs currently
recorded against the Site. Mr.West stated he does not possess specialized knowledge or
experience related to the Site. Mr.West stated that he is not aware of any obvious indicators
that point to the presence or likely presence of contamination at the Site.
Mr.West was not aware of existing “Helpful Documents” as defined in Section 10.8.1 of the
ASTM Standard as noted on the “Helpful Documents Checklist” included in Appendix B.
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WKA No.12206.04
2.0 SITE DESCRIPTION
2.1 Site and Vicinity General Characteristics
The Site is located at 3100 Skyway in Paradise, California (Figures 1 and 2). The Site is
comprised of two Butte County Assessor’s Parcel Numbers (APNs): 040-520-100 and -103,
totaling 175 acres of land that was formerly developed with a golf course and has been setup
with a basecamp for the emergency response efforts for the Camp Fire (Figure 3). Surrounding
land use consisted of a gun range and vacant land (Figure 4).
The Site was developed with three structures by 2006.Given the age of the existing
development on the Site, it is unlikely that asbestos containing building materials and lead-
based paints were used in the construction and/or maintenance of the Site building.
2.2 Site Reconnaissance
A visual site reconnaissance for the Phase I ESA was conducted by WKA on January 2 and 18,
2019.As tenants vacated the Site, WKA conducted additional site visits on February 15, 2019,
and April 9, 2020.Copies of letters regarding the subsequent site visits are provided in
Appendix E.Figures 5a through 5d provide color photographs of the Site taken during the site
visits.
On January 2, 2019, the Site had been developed with an emergency basecamp for PG&E and
subcontractors that were responding to the vicinity after the Camp Fire.Multiple sleeper trailers,
recreational vehicles, and temporary office buildings were parked on the southern portion of the
Site. WKA observed several pallets of 55-gallon drums labeled as “used grease” in the vicinity
of a tent being used as a mobile kitchen.The pallet and drums were covered by a blue tarp.
WKA observed two, empty 55-gallon drums and two, empty 20-gallon empty drums that were
pre-labeled to indicate that hazardous materials should be disposed in them. WKA observed a
large parking areas to the north of the trailers and buildings. The central portion of the Site was
being held materials used for repairs in areas destroyed by the Camp Fire.WKA observed a
mobile fueling station on the central portion of the Site. Two fuel trucks were parked in a
designated area. WKA observed tarps beneath the fuel trucks; however, significant staining
was noted around the tarps. WKA observed an empty 55-gallon drum labeled as “oily debris” in
the vicinity of the fuel trucks.Subsequent site inspections are recorded for February 15, 2019,
and April 9, 2020. These site inspection reports show that the mobile fuel area was re-graded
by February 15, 2019 and that PG&E had reportedly excavated diesel impacted soil to bedrock
and disposed of it off-site. (Personal Communication Scott Bates, 2019)WKA observed a truck
wash on the west-central portion of the Site. WKA observed a lined area filled with water
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beneath the truck wash. WKA observed light towers with generators stationed throughout the
Site. The majority of light towers had a small containment pan beneath them.
On January 18, 2019, WKA returned to the Site. WKA noted that the basecamp operations had
decreased since the previous visit. WKA observed two aboveground storage tanks on the
southeastern portion of the Site near a pond.
On April 9, 2020, WKA returned the Site. In April 2020, the Site was no longer being used as a
basecamp. WKA observed the majority of the Site’s surface had been graded with gravel.
WKA observed two lined ponds on the southern portion of the Site. WKA observed green, PVC
pipes protruding vertically from the ground on the southwestern portion of the Site, associated
with a new septic system. The two aboveground storage tanks that were previously observed
on the Site remained. WKA observed the storage of miscellaneous equipment and parts on the
northwestern portion of the Site associated with trenching activities that were conducted with
infrastructure development. A metal-sided, Quonset-type hut is located on the eastern portion.
The Quonset-type hut was vacant during the April 2020 visit.
2.2.1 Municipal Infrastructure and Utilities
Electricity was provided by on-site generators in 2019; however, a Pacific Gas & Electric line
has been installed at the Site and will now provide electricity.Natural gas is provided by
Amerigas. Sanitary waste is discharged to a large set of septic tanks then dispersed to a lined
aerobic leach field system then pumped into two lined waste water ponds for evaporation..
Potable water is provided by the Tuscan Ridge Golf Club public water system.Two
aboveground fuel storage tanks are located on the southeastern portion of the Site.
2.3 Adjoining Properties
The Site is bounded to the north by Skyway followed by vacant land. The Paradise Rod and
Gun Club and vacant land are located to the east of the Site. Vacant land is located to the
south and west of the Site.
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WKA No.12206.04
3.0 INTERVIEWS
Interviews with various persons familiar with the site vicinity, including representatives of public
agencies, were conducted for the purpose of identifying past and present uses, which may have
contributed to RECs on the Site. Results of those interviews are discussed in the following
sections.
3.1 Owner or Key Site Manager
Mr. E.M. West, Tuscan Ridge Associates, LLC,completed a questionnaire regarding the Site.
According to Mr. West, Tuscan Ridge Associates, LLC, has owned the Site since November
2005. He stated that the Site has been used for grazing and a golf course. Mr. West indicated
that a clubhouse was constructed on the Site as part of the golf course.He said that the Site is
currently being used as a PG&E basecamp for fire restoration efforts.According to Mr. West,
approximately 500 cubic yards of soil from a CalTrans project that was located at Highway 32
and Highway 99 was placed on the Site in approximately 2006.The soil was spread just east of
the maintenance yard.Mr. West indicated that there is one septic tank on the Site. He stated
that potable water is provided by the Tuscan Ridge Golf Club Public Water System.Mr. West is
not aware of any environmental liens that have been recorded for the Site.
In April 2020, Mr. West provided updated information for the Site. He stated that wastewater
storage ponds were constructed on the Site in 2019. He stated that underground storage tank
containing waste water were installed as part of a wastewater treatment plant. Mr. West did not
indicate any other significant changes to the Site.
3.2 Occupants (Multi-family or Major)
No occupants were interviewed during the preparation of the Phase I ESA.
3.3 Past and Present Owners, Operators, and/or Occupants
No information regarding past owners was received by WKA during completion of this report.
3.4 State and/or Local Government Officials
WKA searched the State Water Resources Control Board (SWRCB) GeoTracker website and
the Department of Toxic Substances Control (DTSC) EnviroStor website for facilities in the
vicinity of the Site.No additional facilities were located.
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WKA No.12206.04
3.5 Abandoned Properties
As referenced in 40 CFR Part 312, in the case of inquiries conducted at “abandoned properties,”
as defined in §312.23(d), “where there is evidence of potential unauthorized uses of the Site or
evidence of uncontrolled access to the Site, the environmental professional’s inquiry must
include interviewing one or more (as necessary) owners or occupants of neighboring or nearby
properties from which it appears possible to have observed uses of, or releases at, such
abandoned properties…” No evidence of potential unauthorized uses, or evidence of
uncontrolled access to the Site was observed. The Site is not considered an abandoned
property and therefore, WKA did not interview owners or occupants of neighboring properties.
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4.0 RECORDS REVIEW
The purpose of the records review is to obtain and review information concerning the current
and historical use of the Site and adjoining properties that would help identify the presence of
RECs in connection with the Site. The records review included review and discussion of the
following, as available:
Physical Setting Source(s);
Historical Use Information; and,
Environmental Record Sources.
4.1 Physical Setting Source(s)
The Site is depicted on the 2012 United States Geological Survey (USGS) 7.5 Minute
topographic map of the Hamlin Canyon, California Quadrangle as undeveloped land. The Site
is located within Sections 1 and 2, Township 21 North, Range 2 East and Sections 35 and 36,
Township 22 N Range 2 E, Mount Diablo Base and Meridian, at an elevation between +640 and
920 feet relative to mean sea level (msl).
4.1.1 Regional and Local Geology
The Site is located on the boundary between the Great Valley and Sierra Nevada geomorphic
provinces.
The Great Valley of California geomorphic province, a 500-mile, northwest-trending structural
trough,is generally constrained to the west by the Coast Ranges and to the east by the foothills
of the Sierra Nevada Range (Norris and Webb, 1990).The Great Valley consists of two valleys
lying end-to-end, with the Sacramento Valley to the north and the San Joaquin Valley to the
south.
The Sacramento and San Joaquin Valleys have been filled to their present elevations with thick
sequences of sediment derived from both marine and terrestrial sources.The sedimentary
deposits range in thickness from relatively thin deposits along the eastern valley edge to more
than 25,000 feet in the south central portion of the Great Valley (Norris and Webb, 1990).The
sedimentary geologic formations of the Great Valley province vary in age from Jurassic to
Quaternary, with the older deposits being primarily marine in origin.Younger sediments are
continentally derived and were typically deposited in lacustrine, fluvial, and alluvial environments
with their primary source being the Sierra Nevada Range.
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The Sierra Nevada geomorphic province is a 40-to 50-mile wide dipping fault block consisting
of a series of uplifted Mesozoic granitic batholiths overlain by metamorphic and volcanic units
that is 450 miles long. Elevations in the range extend from 400 feet in the western foothills up to
14,000 feet on its eastern edge where extensional block faulting of the basin and range province
has produced high peaks and dramatic relief. Steep, rocky faces and glacier carved valleys
feed high-energy streams descending to rolling foothills, where plutonic and metamorphosed
rock abut flat-lying alluvial sediments of the province’s western boundary with the Great
Valley.(Norris and Webb, 1990).The Sierran block extends west beneath the Cenozoic
alluvium of the Great Valley to presumably contact the Eastern Franciscan Formation of the
Coast Ranges.
The complex structure of the Sierra Nevada is reflective of its equally complex geologic history.
Faulting in the western Sierra Nevada mountains trends North-northwest.
The 1992 USGS Geologic Map of the Chico Quadrangle, California, shows the Site to be
underlain by the Tuscan Formation.The Tuscan Formation consists of a series of layers
deposited by streams and mudflows between two and four million years ago. The mudflows
spread out over the area, burying older rock, filling low areas, and gradually building a flat
subdued landscape. The Tuscan Formation is characterized by near horizontal layers within the
formation and four-million-year-old volcanic ash horizon at the bottom of the formation. The
Tuscan Formation is of Pliocene age and comprises volcanic mudflows, tuff, breccia,
sandstone, and ash deposits.
4.1.2 Soil Survey
The United States Department of Agriculture (USDA), Natural Resources Conservation Service
(NRCS) has created a web-based service for accessing soil information. According to the
NRCS Web Soil Survey (WSS) the majority of the near-surface soils on the Site consist of
Doemill-Jokerst , 3 to 8 percent slopes;Doemill-Jokerst-Ultic Haploxeralfs, thermic complex, 3
to 8 percent slopes; and,Jokerst-Doemill-Typic Haploxeralfs , 8 to 15 percent slopes (USDA,
2019). A copy of the soil report is included on the attached CD.
4.1.3 Regional and Local Groundwater
The Site is located to the east of the California Department of Water Resources (DWR)
defined Sacramento Valley Groundwater Basin of the Sacramento River Hydrologic Region.
WKA searched data on the DWR website and found no DWR monitored groundwater wells
within one-half mile of the Site (DWR,2019).
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WKA also searched the State Water Resources Control Board’s (SWRCB) GeoTracker website
for quarterly groundwater monitoring reports completed for facilities in the immediate vicinity of the
Site. No facilities are located within one-half mile of the Site (SWRCB,2019).
4.2 Historical Use Information
WKA reviewed historical information to develop a history of the previous uses of the Site and
surrounding area, in order to evaluate the Site and adjoining properties for evidence of RECs.
Standard historical sources reviewed during the preparation of this report included the following,
as available:
Sanborn®Maps;
Topographic Maps;
Oil and Gas Well Maps;
Aerial Photographs;
Ownership Records;
Building Department Records;
Local Street Directories;
Zoning and Land Use Records;
Other Historical Sources; and,
Prior Assessments.
Discussion of these historical sources is provided in the following sections.
4.2.1 Sanborn® Maps
Sanborn®Maps with coverage of the Site were obtained through Environmental Data
Resources, Inc. (EDR®). EDR®is a national commercial provider of environmental database
information. Sanborn®Maps are detailed drawings of site development, and were typically used
by fire insurance companies to determine site fire insurability. According to EDR®, Sanborn®
Map coverage of the Site is not available (EDR®,2019a).
4.2.2 Topographic Maps
Historical USGS topographic maps with coverage of the Site and outlying land areas were
reviewed. Topographic maps with coverage of the Site dated 1891, 1893,1895,1912, 1942, 1944,
1951, 1969, and 2012 were available for review (EDR®,2019b).Copies of the topographic maps
compiled by EDR®with coverage of the Site are included on the CD attached to the back cover of
this report. Table 1 notes the changes in the vicinity of the Site.
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Table 1
Year Scale Observations
1891 1:125,000
Site:Vacant land.North:Vacant land.
East:Vacant land.South:Vacant land.West:Vacant land.
1893 1:125,000 No significant changes noted for the Site or the vicinity.
1895 1:125,000 No significant changes noted for the Site or the vicinity.
1912 1:31,680 The Site and vicinity were not surveyed on the map.
1942 1: 62,500
Site:A ravine is depicted on the southwestern portion. Railroad tracks are
depicted on the southern portion of the Site.North:No significant changes noted.East:No significant changes noted.
South:A trail road is depicted.West:No significant changes noted.
1944 1: 62,500 No significant changes noted for the Site or the vicinity.
1951 1:24,000
Site:No significant changes noted.North:The existing road, Skyway, is depicted.East:No significant changes noted.South:No significant changes noted.West:No significant changes noted.
1969 1:24,000 No significant changes noted for the Site or the vicinity.
2012 1:24,000 No significant changes noted for the Site or the vicinity.
4.2.3 Oil and Gas Well Maps
Review of California Department of Conservation, Division of Oil, Gas, and Geothermal
Resources (DOGGR)website showed that the Site is not located in a designated natural gas
field. No DOGGR wells are located on or within at least one mile of the Site (DOGGR,2019).
4.2.4 Aerial Photographs
Historical aerial photographs of the Site and general vicinity were compiled by EDR®.
Photographs covering the years 1941,1947, 1951, 1969,1984,1998, 2012, and 2016 were
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WKA No.12206.04
available for review (EDR®,2019c).In addition, WKA reviewed aerial imagery from December
2018 on Google Earth.Table 2 notes the changes on the property and in the vicinity.
Table 2
Year Scale Observations
January
1941 1” = 1,000’
Site:Primarily grass-covered land. Railroad tracks are visible along thesouthern property boundary.North:Grass-covered land.
East:Grass-covered land and railroad tracks.South:Grass-covered land.West:Grass-covered land and railroad tracks.
January
1947 1” = 1,000’No significant changes noted for the Site or the vicinity.
January1951 1” = 1,000’
Site:No significant changes noted.North:A road is visible in the location of the existing Skyway.East:No significant changes noted.South:No significant changes noted.West:No significant changes noted.
August1969 1” = 1,000’No significant changes noted for the Site or the vicinity.
June1984 1” = 1,000’
Site:No significant changes noted.North:Additional driving lanes have been added to Skyway.East:No significant changes noted.
South:No significant changes noted.West:No significant changes noted.
January1988 1” = 1,000’No significant changes noted for the Site or the vicinity.
August1998 1” = 1,000’No significant changes noted for the Site or the vicinity.
2006 1” = 1,000’
Site:The Site has been developed with a golf course. Three structuresare visible on the southeastern portion of the Site.
North:No significant changes noted.East:Structures associated with the Paradise Rod and Gun Club arevisible.
South:No significant changes noted.West:No significant changes noted.
2009 1” = 1,000’No significant changes noted for the Site or the vicinity.
2012 1” = 1,000’No significant changes noted for the Site or the vicinity.
2016 1” = 1,000’No significant changes noted for the Site or the vicinity.
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Table 2
Year Scale Observations
2018 NA
Site: Large areas have been graded and aggregate base has beenspread. The beginning stages of the PG&E basecamp are visible
throughout the property.North: No significant changes noted.East: No significant changes noted.South: No significant changes noted.West: No significant changes noted.
4.2.5 Ownership Records
Ownership information was obtained through ParcelQuest®,an on-line distributor of “Assessor-
Direct property information throughout the State of California.” The ownership entity for the Site
was listed as “Tuscan Ridge Associates LLC” (ParcelQuest®,2019).
4.2.6 Building Department Records
Due to the recent Camp Fire, the City of Paradise Building Department has limited services.
WKA was unable to review building permits for the Site.
4.2.7 Local Street Directories
Local street directories with coverage of the Site and adjoining properties were obtained from
EDR®(EDR®,2019d). These documents contain business listings based on street number
identifiers. The Site address of 3100 Skyway was not listed in city directories reviewed. A copy
of the EDR®City Directory (EDR®,2019d)is provided on the CD attached to the back cover of
this report.
4.2.8 Zoning and Land Use Records
The Site use is listed as recreational (ParcelQuest,2019).
The Site is located within an area of minimal flood hazard, as designated by the Federal
Emergency Management Agency (FEMA). The floodplain map is provided on the CD attached
to the back cover of this report.
WKA reviewed data provided on the National Pipeline Mapping System. No petroleum or
natural gas pipelines were located within one-half mile of the Site (NPMS,2019).
Phase I Environmental Site Assessment Page 143100 SKYWAY PROPERTY April 21, 2020
WKA No.12206.04
4.2.9 Other Historical Sources
Review of additional historical sources was not warranted in order for the Environmental
Professional to make a determination as to evidence of potential RECs on the Site.
4.2.10 Prior Assessments
WKA was not provided previous assessments prior to the completion of this report.
4.3 Environmental Record Sources
4.3.1 Regulatory Agency Databases
EDR®was contacted to provide a summary of facilities listed on regulatory agency databases
(EDR®,2020). Table 3 summarizes the researched ASTM required Standard Environmental
Record Sources, as well as several Additional Environmental Record Sources, as defined in
Sections 8.2.1 and 8.2.2 of the ASTM Standard. For additional reference, the Executive
Summary of the EDR®report is included in Appendix C. A copy of the entire EDR®report is
included on the CD attached to the back cover of this report.
Table 3
EDR Listed Database ASTM E1527-13 Search
Distance
No. of FacilitiesListed(within SearchRadius)
Federal
Federal NPL Site List NPL 1-mile 0
Federal Delisted NPL Site List Delisted NPL 1/2-mile 0
Federal CERCLIS List CERCLIS 1/2-mile 0
Federal CERCLIS NFRAP Site List CERCLIS NFRAP 1/2-mile 0
Federal RCRA CORRACTS Facilities List CORRACTS 1-mile 0
Federal RCRA Generators List:
Small Quantity and Large Quantity Generators RCRA SQG Site & adjoining 0
RCRA LQG 0
Landfills and Solid Waste Management Units RCRA TSDF 1/2-mile 0
Federal Institutional Control / EngineeringControl Registries
US ENG Controls Site only 0
US INST Controls 0
Federal ERNS List ERNS Site only 0
State
State-equivalent NPL (Hist. Cal-Sites)Hist. Cal-Sites 1-mile 0
State-equivalent CERCLIS RESPONSE 1/2-mile 0
Phase I Environmental Site Assessment Page 153100 SKYWAY PROPERTY April 21, 2020
WKA No.12206.04
Table 3
EDR Listed Database ASTM E1527-13 Search
Distance
No. of FacilitiesListed
(within SearchRadius)
State Landfill and/or Solid Waste Disposal Site SWF/LF (SWIS)1/2-mile 0
WMUDS/SWAT 0
State Leaking Underground Storage Tanks LUST-Reg 5 Geotracker 1/2-mile 0
Tribal Leaking Underground Storage Tanks Indian LUST 1/2-mile 0
State Registered Underground Storage Tanks UST Site & adjoining 0
Tribal Registered Underground Storage Tanks Indian UST Site & adjoining 0
State Registered Aboveground Storage Tanks AST Site & adjoining 0
State Institutional Control Registries DEED Site only 0
State Voluntary Cleanup Sites VCP 1/2-mile 0
State Brownfield Sites US Brownfields 1/2-mile 0
Additional Environmental Record Sources
Hazardous Waste & Substances Sites List CORTESE 1/2-mile 0
DTSC EnviroStor (includes Cal-Sites)EnviroStor 1-mile 0
SLIC SLIC -Reg 5 1/2-mile 0
Cleaner Facilities Drycleaners 1/4-mile 0
HAZNET HAZNET 1/4-mile 1
Local -County
Certified Unified Program Agency CUPA Listing 1/2-mile 1
Information reviewed concerning the Site is detailed below.
The Tuscan Ridge Golf Club, 3100 Skyway, was located at the Site. The Tuscan Ridge Golf
Club is listed on the Department of Toxic Substances Control (DTSC) Haznet, the California Air
Resources Board’s Emission Inventory Data, the Certified Unified Program Agency (CUPA), the
California Environmental Reporting System, the National Pollution Discharge Elimination
System, the California Integrated Water Quality System, and the Facility Index System. The
DTSC Haznet database is a list of all facilities that have submitted manifests for the disposal of
hazardous waste at a landfill. A listing on either database is not considered to be indicative of a
release of a hazardous material or petroleum product at a property. According to the EDR
Radius Report, a manifest was submitted to DTSC for the disposal of unspecified organic liquid
mixture in 2006. The remaining databases do not indicate that a release of hazardous materials
or petroleum products have occurred at the Site. Based on the information reviewed, this facility
has not impacted the Site.
Phase I Environmental Site Assessment Page 163100 SKYWAY PROPERTY April 21, 2020
WKA No.12206.04
4.3.2 Preliminary Screen for Vapor Encroachment Conditions
WKA conducted a preliminary screening for VEC beneath the Site using the Tier 1 vapor
encroachment screening evaluation1. The Tier I screening included performing a Search
Distance Test to identify if there are any known or suspect contaminated properties surrounding
or upgradient of the Site within specific search radii, and a Chemicals of Concern (COC) Test
(for those known or suspect contaminated properties identified within the Search Distance Test)
to evaluate whether or not COC are likely to be present. The Vapor Encroachment Screening
Matrix is included in Appendix D.
Based on the completion of the VEC-screening matrix, a VEC can be ruled out because a VEC
does not or is not likely to exist.
4.3.3 Environmental Lien Search
Tuscan Ridge Associates, LLC did not authorize WKA to conduct a search for environmental
liens and AULs.
1 The Preliminary Screen for Vapor Encroachment Conditions was based on the guidelines presented in the ASTM E 2600-15
Standard Guide for Vapor Encroachment Screening on Property Involved in Real Estate Transactions.
Phase I Environmental Site Assessment Page 173100 SKYWAY PROPERTY April 21, 2020
WKA No.12206.04
5.0 CONCLUSIONS AND RECOMMENDATIONS
5.1 Data Gaps
The time intervals between the Standard Historical Sources (i.e., topographic maps, aerial
photographs, other historical sources) exceeded the ASTM minimum five-year period.
However, the use of the Site appears unchanged within the time gaps, and therefore, research
of the Site use during the time gaps is not required by the ASTM Standard (Refer to Section
8.3.2.1 –Intervals of the ASTM E 1527-13 standard).
It is the opinion of WKA that no significant data gaps were identified during the preparation of
this report that affects the ability of the Environmental Professional to identify RECs on the Site.
5.2 Conclusions
The historical land use research dating back to the late 1800s revealed that the Site was
vacant land from at least 1891 to at least 1998.Railroad tracks were present on the
southern portion of the Site by 1941. The Site was developed with a golf course, with
three structures on the southeastern portion, by 2006. In December 2018, the Site was
graded and aggregate base was spread across the majority for the development of an
emergency basecamp for Pacific Gas & Electric (PG&E)and other contractors
responding to areas impacted by the Camp Fire.
During a visit to the property on January 2, 2019, WKA observed a mobile fueling area
on the central portion of the Site. WKA observed stained soils in the vicinity of mobile
fuel trucks.Subsequent site inspections were conducted on February 15, 2019, and
April 9, 2020. Site inspection reports for the subsequent visits describe that the mobile
fuel area was re-graded by February 15, 2019, and that PG&E had reportedly excavated
diesel impacted soil to bedrock and disposed of it off-site.
During a visit to the property on January 18, 2019, WKA observed two aboveground
storage tanks (ASTs) on the southeastern portion of the Site. WKA was not provided
additional information regarding the ASTs.
During a visit to the property on April 9, 2020, WKA observed that the Site was no longer
being used as a basecamp. The two ASTs observed in January 2019 remained on the
property. WKA observed that the majority of the Site’s surface had been graded with
gravel. WKA observed two lined ponds on the southern portion of the Site. WKA also
observed a series of green, PVC pipes protruding vertically from the ground on the
southwest portion of the Site. The pipes are associated with a new septic system that
has been installed at the Site.
Phase I Environmental Site Assessment Page 183100 SKYWAY PROPERTY April 21, 2020
WKA No.12206.04
Given the age of development on the Site, it is unlikely that asbestos containing building
materials and lead-based paints were used in the construction and/or maintenance of
the Site buildings.
Given the documentation reviewed concerning the agency listings for neighboring
facilities, none of the facilities reviewed is likely to have a negative impact on the Site.
Based on the completion of the vapor encroachment condition (VEC) screening matrix,
WKA concludes a VEC can be ruled out because a VEC does not or is not likely to exist.
WKA has performed this ESA in conformance with the scope and limitations of ASTM Standard
Practice E 1527-13 for the Tuscan Ridge Property.
We have performed a Phase I ESA in conformance with the scope and limitations of ASTM
Practice E 1527-13 for the Tuscan Ridge Property. Any exceptions to, or deletions from, this
practice are described in Section 5.4 of this report. This assessment has revealed no evidence
of RECs in connection with the Site except the following:
On-site concerns were noted from the presence of railroad tracks along the southern
property boundary by at least 1941.
On-site concerns were noted from the two ASTs located on the southeastern portion of
the Site.
A full copy of this ESA report, in a .pdf format, is included on the attached CD.
5.3 Recommendations
Based on the conclusions presented and the documentation contained herein, WKA makes the
following recommendations:
WKA recommends collection of shallow soil samples along the former rail alignment for
analysis of CAM 17 metals,Organochlorine pesticides, total petroleum hydrocarbons,
PAH’s
WKA recommends collection of two shallow soil samples in the area of the above
ground fuel storage tanks to assess the effectiveness of the secondary containment.
These samples should be analyzed for Total Petroleum Hydrocarbons, BTEX, and Fuel
oxygenates.
WKA was notified PG&E verbally during the Site walk about the stained soil in the
vicinity of the mobile fueling area. In a subsequent visit to the Site on February 15,
2019, WKA noted that PG&E had withdrawn from the Site and had reportedly excavated
the area where the mobile fueling operation had been and disposed of any impacted soil
Phase I Environmental Site Assessment Page 193100 SKYWAY PROPERTY April 21, 2020
WKA No.12206.04
off site. WKA recommends contacting PG&E environmental services to request
documentation of stained soil removal activities.
5.4 Exceptions and/or Deletions
No exceptions or deletions from the ASTM E 1527-13 standard were made during the
performance of this ESA.
5.5 Additional Services
Non-scope considerations, such as assessment for naturally occurring asbestos (NOA),
wetlands evaluation, indoor air quality, laboratory testing of the soils and groundwater beneath
the Site for environmental contaminants (such as agricultural-related pesticides, termiticides,
polychlorinated biphenyls [PCBs], or arsenic and lead), and assessments for asbestos containing
materials and lead-based paint were not included or requested as part of this ESA.Additionally,
this ESA included conducting a Tier 1 vapor encroachment screening in accordance with the
ASTM E 2600-15 Vapor Encroachment Screening on Property Involved in Real Estate
Transactions.
Phase I Environmental Site Assessment Page 203100 SKYWAY PROPERTY April 21, 2020
WKA No.12206.04
6.0 LIMITATIONS
The statements and conclusions in this report are based upon the scope of work described above
and on observations made only on the date of the field reconnaissance,January 2 and 18,2019.
Work was performed using a degree of skill consistent with that of competent environmental
consulting firms performing similar work in the area. Information regarding the Site that is
publicly available and practically reviewable,as described in the ASTM standard, was obtained.
Additional research or receipt of information regarding the Site that was not disclosed or
available to WKA during this assessment may result in revision of the conclusions. The
conclusions in this report should be reevaluated if site conditions change. No recommendation
is made as to the suitability of the Site for any purpose. The results of this assessment do not
preclude the possibility that materials currently or in the future defined as hazardous are present
on the Site, nor do the results of this work guarantee the potability of groundwater beneath the
Site. This report is applicable only to the investigated Site and should not be used for any other
property. No warranty is expressed or implied.
This report is viable for one year from the publication date of the report provided the following
components are updated within 180 days of the date of purchase or (for transactions not
involving an acquisition) the date of the intended transaction:
Interviews with current owners/occupants and/or in order to identify changes in Site
conditions or uses since the publication date of this report
Searches for recorded environmental cleanup liens
Visual inspection of the Site and of adjoining properties with emphasis on changes in
conditions or uses since the publication date of this report
A current review of federal, state, tribal and county databases
The declaration by the environmental professional responsible for the assessment.
Environmental Site Assessments completed more than one year prior to the date of purchase
must be reviewed and updated in order for the Environmental Site Assessment to be considered
valid per Section 4.6 (Continued Viability of Environmental Site Assessment), and Sections 4.7
and 8.4 (Prior Assessment Usage) of the ASTM E 1527-13 Standard.
NMM:KMB:mr
H:/dept3/12206.04 -Phase I ESA Tuscan Ridge Property
Phase I Environmental Site Assessment Page 213100 SKYWAY PROPERTY April 21, 2020
WKA No.12206.04
7.0 REFERENCES
ASTM International. 2013. American Society for Testing and Materials, ASTM Standard E 1527-
13,Standard Practice for Environmental Site Assessments: Phase I Environmental Site
Assessment Process, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken,
Pennsylvania (November 2013).
ASTM International. 2015. American Society for Testing and Materials, ASTM Standard E 2600-
15,Standard Guide for Vapor Encroachment Screening on Property Involved in Real Estate
Transactions, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, Pennsylvania
(December 2015).
Department of Water Resources (DWR), Water Data Library,
<http://www.water.ca.gov/waterdatalibrary/>(January 2019).
Department of Toxic Substances Control (DTSC), EnviroStor,
<https://www.envirostor.dtsc.ca.gov/public/>(January 2019).
Environmental Data Resources, Inc. (EDR®):
-2019a.Certified Sanborn Map Report,Tuscan Ridge Property, 3100 Skyway, Chico,
California, Inquiry Number 5530325.3,Shelton, Connecticut, (January 9,2019).
-2019b.The EDR Historical Topographic Map Report,Tuscan Ridge Property, 3100
Skyway, Chico, California, Inquiry Number 5530325.4,Shelton,Connecticut, (January 9,
2019).
-2019c.The EDR Aerial Photo Decade Package Report Tuscan Ridge Property, 3100
Skyway, Chico, California, Inquiry Number 5530325.5,Shelton, Connecticut, (January 11,
2019).
-2019d.The EDR City Directory Abstract Tuscan Ridge Property, 3100 Skyway, Chico,
Inquiry Number 5530325.6,Shelton, Connecticut, (January 10,2019).
-2020.The EDR Radius Map Report with GeoCheck,Tuscan Ridge Property, 3100 Skyway,
Chico, California, Inquiry Number 6037845.2s,Shelton,Connecticut, (April 10, 2020).
National Pipeline Mapping System,2019, (NPMS), https://www.npms.phmsa.dot.gov/ (January
2019)
Norris, R. M., Webb, R. W., 1990,Geology of California Second Edition, John Wiley and Sons,
Inc. New York.
ParcelQuest,2019,Detail Report Property Address:3100 Skyway, Chico, CA,Retrieved
[January 2019] from the World Wide Web: <http://www.parcelquest.com/>.
PMC,General Plan Update Draft Environmental Impact Report, September 2010
Phase I Environmental Site Assessment Page 223100 SKYWAY PROPERTY April 21, 2020
WKA No.12206.04
State Water Resources Control Board (SWRCB), GeoTracker,
<http://geotracker.waterboards.ca.gov/>(January 2019).
State of California, Department of Conservation, Division of Oil, Gas, and Geothermal
Resources (DOGGR),DOGGR On-line Mapping System (DOMS), District 6, Northern
California <http://maps.conservation.ca.gov/doms/index.html> (January 2019).
United States Department of Agriculture, Natural Resources Conservation Service,Web Soil
Survey,<http://soils.usda.gov/technical/classification/osd/index.html>(January 2019).
Wagner, D.L., et al, State of California Department of Mines and Geology,1992,Geologic Map
of the Chico Quadrangle, California [map].1:250,000, Regional Geologic Map Series, Map
No. 7A (Geology). Capitol Heights, MD: William Heintz Map Corporation.
FIGURES
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Skyway Doe Mill Rd RdM
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Bruce Rd RdChico Canyon Rd RdForest Ave AveFai
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Upper Park Rd Rd
East Eighth St StCenterville Rd
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Notre Dame Blvd BlvdVallombrosa Ave AveCanyon Shadows Rd RdPotter Rd RdYosemi
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Wildwood Ave Ave
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Spanish Garden Dr Dr
Canyon Oaks Terr T
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Lott Rd RdMorrow Ln Ln
Shallow Springs Terr Terr
Marybill Ranch Rd RdLakewest Dr Dr
Picholine Way Way
East Park Ave Ave
Modoc Dr DrEa
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Rd
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Guill
St
St
Speedway
Ave
A
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S
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K. V. Ln LnEagle Nest Dr Dr Eve's Ln LnLava Rock Dr DrConcord Ave AveElm
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McFadden Ln Ln
Lazy S Ln Ln
Shari Ln Ln
Kona Dr Dr
Roth St StAlley Arch Way Way
Bedford Dr DrDog Leg
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Rd
RdButteCreekL i t t l e C h ic o C reekB ig C h icoCreekC r oughDitch
Comanche C r e e kD ea d Hor s e S lo u g h
L i n d o C hannelHamlinSloughLittl e B utteC reekFIGURE
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VICINITY MAP
TUSCAN RIDGE PROPERTY
Paradise, California
±
0 2,500 5,000
Feet
Street data courtesy of ESRI, 2010.Hydrography courtesy of the U.S. Geological Surveyacquired from the GIS Data Depot, December, 2007.Projection: NAD 83, California State Plane, Zone II
WKA NO.12206.04
SITE
FIGURE
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TOPOGRAPHIC MAP
TUSCAN RIDGE PROPERTY
Paradise, California
±
0 2,500 5,000
Feet
WKA NO.12206.04
Adapted from U.S. Geological Survey 7.5 minute topographic mapof the Chicos quadrangle, California, 2013
Provided By The California Geospatial Information Library, 2007Projection: California State Plane, Zone II
FIGURE
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PARCEL MAP
TUSCAN RIDGE PROPERTY
Paradise, California
±
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WKA NO.12206.04
Parcel Map provided by the County of ButteAssessor's Map Book 40, Page 52.
Projection: California State Plane, Zone II
Legend
Approximate Site Boundary
Skyway Honey Run Rd RdSanta Rosa Rd RdSkyway FIGURE
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AERIAL SITE MAP
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Paradise, California
±
0 500 1,000
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Aerial provided by ESRI.Projection: California State Plane, Zone II Legend
Approximate Site Boundary
Looking at an office trailer on the southern portion of the
Site.
Looking at one of the tents on the southern portion of the
Site.
Looking at sleeper trailers on the southern portion of the
Site.
Looking at 55-gallon drums on pallets covered by a blue tarp.
WKA NO. 12206.04
DATE
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DRAWN BYCOLOR PHOTOGRAPHS
TUSCAN RIDGE PROPERTY
Chico, California
FIGURE 5a
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Looking north at the mobile fueling area on the central
portion of the Site.
Looking southwest at parking areas on the central
portion of the Site.
Looking at drums prepared to receive hazardous waste.
Looking at stained soils in the vicinity of mobile fueling area.
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TUSCAN RIDGE PROPERTY
Chico, California
FIGURE 5b
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Looking at the two aboveground storage tanks on the
southeastern portion of the Site.
Looking at a typical light tower with secondary
containment.
Looking at the truck wash on the west-central portion of
the Site.
Looking at the well located on the southeastern portion of the Site.
WKA NO. 12206.04
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TUSCAN RIDGE PROPERTY
Chico, California
FIGURE 5c
1/19
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KMB
Looking at the storage of trenching equipment.
Looking at PVC pipes protruding vertically from the
ground associated with a new septic system.
Looking at the lined ponds on the northern portion of the
Site.
Looking at a Quonset-type hut.
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Chico, California
FIGURE 5d
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APPENDIX A
RESUMES
KURT M. BALASEK
SENIOR HYDROGEOLOGIST/DIRECTOR OF ENVIRONMENTAL SERVICES
Mr. Balasek has provided a leadership role in hydrogeologic and environmental consulting in the Western US.
since 1989. His experience includes, residential and commercial land development, litigation support,
permitting, regulatory compliance and technical team building. Mr. Balasek and his team have conducted a
wide range of impacted soil and groundwater investigations, mine location and reclamation activities, water
resource evaluations and conjunctive use studies. Mr. Balasek has supported municipal efforts to redevelop
blighted neighborhoods using private and federal funding and has prepared successful grant applications for
EPA Brownfield funding. Mr. Balasek has facilitated public stakeholder processes, organized public comments
and used the information gathered from these efforts to prioritize neighborhood and regional site investigations
and remedial activities.
Mr. Balasek specializes in unique approaches to problem solving and leverages nearly 30 years of regulatory
relationships to assist clients facing enforcement actions. Mr. Balasek has saved his clients hundreds of
thousands of dollars in reduced fines, monitoring requirements or realized project efficiencies.
SELECTED PROJECT EXPERIENCE
Stockton Worknet, Stockton, CA: Project was
conducted for the City of Stockton Redevelopment
Agency and involved delineation, removal and
disposal for hydrocarbon and lead-contaminated
soil discovered during a construction project. The
project also involved a component of public
outreach because a children’s museum was located
immediately adjacent to the site.
Hayden Hill Mine, Lassen, CA: Project consisted
of third party review of mine closure plan for Lassen
County. Provided technical assistance to Lassen
County Planning Commission to facilitate
permanent closure of large open pit mine.
Willow Creek, Folsom, CA: Project involved site
investigation and subsequent removal of petroleum
hydrocarbon-contaminated soil to facilitate private
development of commercial property. Under my
direction, I facilitated the investigation, excavation
and coordination of closure petitions.
City of West Sacramento, West Sacramento,
CA: Multiple Projects. These projects involved
initial site evaluation of several hundred individual
sites for the redevelopment of West Sacramento.
Subsequent work involved site investigation and
remediation of several sites under U.S. EPA
Grants. Provided technical assistance to City staff
and collaborated with them to best utilize the public
funds and coordinate public outreach. Provided
emergency consultation related to peroxide release
at city water treatment plant and provides on-going
management and monitoring of groundwater pump
and treat system at the Port of Sacramento
Rominger Property, Winters, CA (on-going):
This project involves detailed site investigation,
hydrogeologic analysis and evaluation, and the
selection of appropriate remediation technologies
for a large plume of (MTBE) contamination on an
Ag-industrial site. Project involvement included
client and regulatory interaction.
HIGHER EDUCATION: PROFESSIONAL REGISTRATIONS:
University of California, Santa Barbara Professional Geologist No. 6162, CA
BA, Geological Sciences (1986) Certified Hydrogeologist No. 299, CA
California State University, Chico Qualified Storm Water Developer
MS, Hydrogeology/Hydrology (1990) California Engineering Contractor A-Haz, C-57,
NANCY M.MALARET
PROJECT ENVIRONMENTAL SCIENTIST
Ms. Malaret has been employed in the environmental field since 2003. She graduated from University of
California, Davis with a degree in Hydrologic Science.
Ms. Malaret worked for the Florida Department of Health for four years. She assisted with the coordination ofsampling potable water wells throughout the state of Florida. Ms. Malaret used GIS mapping techniques to
identify private potable wells located near commercial and industrial facilities that may have contaminated thegroundwater. She coordinated the sampling of the wells and the analysis of water samples collected. She
worked with the Florida Department of Environmental Protection to place filters on the private wells withcontaminatedwater. Ms. Malaret also worked with the Health Assessment Team at the Florida Department of
Health. She conducted human health risk assessments based on groundwater and soil data collected duringcontamination assessments of industrial facilities. Ms. Malaret used the Agency for Toxic Substances and
Disease Registry’s Public Health Assessment Guidelines to evaluate resident’s risk of illness from exposure tocontaminated groundwater and surface soils. Ms. Malaret used Risk Assistant software to determine dose
estimates and compared the results with toxicological studies. Ms. Malaret’s human health risk assessmentsfocused on sites with Volatile Organic Compounds, Semi-volatile Organic Compounds, and metals
contamination.
Ms. Malaret has six years of experience in due diligence. Her Phase I Environmental Site Assessmentexperience includes wooded, rural, and urban properties. Her investigations have involved multiple parcel sites
with extensive history, large-scale residential subdivisions, office buildings, gasoline stations, dry cleaners, andheavy equipment manufacturing and repair facilities. Ms. Malaret has conducted multiple corridor assessments
along roadways being prepared for expansion or improvements. She also conducted a Hazardous, Toxic,andRadioactive Waste Assessment for the United States Army Corps of Engineers on a 20-mile stretch of the St.
Johns River in Jacksonville, Florida. Ms. Malaret conducted soil and groundwater sampling associated withPhase II Environmental Site Assessments. Ms. Malaret coordinated long-term groundwater sampling events
for sites with residual petroleum contamination.
Ms. Malaret has worked with communities impacted by contamination, local, state, and federal governmentagencies, banks and developers.
Moody Property, Vacaville, CA: Ms. Malaret
managed the Phase I Environmental SiteAssessment of a 38.5-acre property of undeveloped
land located in Vacaville to support theredevelopment of the property into a residential
development.
Woodmere Property, Folsom, CA: Ms. Malaretmanaged the Phase I Environmental Site
Assessment of a 2.5-acre property developed withan office building. Historical research of the
property included evaluating former miningoperations at the site.
Mercantile Property, Rancho Cordova, CA: Ms.
Malaret managed the Phase I Environmental SiteAssessment of a 4.1-acre property developed with
a commercial building. Evaluation of regulatoryfacilities within the site vicinity included the former
Aerojet Facility.
HIGHER EDUCATION:
University of California, DavisBachelor of Science, Hydrologic Science (1999)
APPENDIX B
ASTM E 1527-13 User Questionnaire
and Helpful Documents Checklist
APPENDIX C
EDR®Radius Map Report Executive Summary
FORM-LBF-DLU
tropeR ™paM suidaR RDE ehT
6 Armstrong Road, 4th floor
Shelton, CT 06484
Toll Free: 800.352.0050
www.edrnet.com
Tuscan Ridge Property
3100 Skyway
Chico, CA 95928
Inquiry Number: 6037845.2s
April 10, 2020
SECTION PAGE
Executive Summary ES1
Overview Map 2
Detail Map 3
Map Findings Summary 4
Map Findings 9
Orphan Summary 42
Government Records Searched/Data Currency Tracking GR-1
GEOCHECK ADDENDUM
GeoCheck - Not Requested
TC6037845.2s Page 1
Thank you for your business.
Please contact EDR at 1-800-352-0050
with any questions or comments.
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This Report contains certain information obtained from a variety of public and other sources reasonably available to Environmental Data
Resources, Inc. It cannot be concluded from this Report that coverage information for the target and surrounding properties does not exist from
other sources. NO WARRANTY EXPRESSED OR IMPLIED, IS MADE WHATSOEVER IN CONNECTION WITH THIS REPORT. ENVIRONMENTAL
DATA RESOURCES, INC. SPECIFICALLY DISCLAIMS THE MAKING OF ANY SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION,
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TABLE OF CONTENTS
EXECUTIVE SUMMARY
TC6037845.2s EXECUTIVE SUMMARY 1
A search of available environmental records was conducted by Environmental Data Resources, Inc (EDR).
The report was designed to assist parties seeking to meet the search requirements of EPA’s Standards
and Practices for All Appropriate Inquiries (40 CFR Part 312), the ASTM Standard Practice for
Environmental Site Assessments (E 1527-13), the ASTM Standard Practice for Environmental Site
Assessments for Forestland or Rural Property (E 2247-16), the ASTM Standard Practice for Limited
Environmental Due Diligence: Transaction Screen Process (E 1528-14) or custom requirements developed
for the evaluation of environmental risk associated with a parcel of real estate.
TARGET PROPERTY INFORMATION
ADDRESS
3100 SKYWAY
CHICO, CA 95928
COORDINATES
39.7151100 - 39˚ 42’ 54.39’’Latitude (North):
121.7056340 - 121˚ 42’ 20.28’’Longitude (West):
Zone 10Universal Tranverse Mercator:
610949.1UTM X (Meters):
4396729.5UTM Y (Meters):
805 ft. above sea levelElevation:
USGS TOPOGRAPHIC MAP ASSOCIATED WITH TARGET PROPERTY
5603320 HAMLIN CANYON, CATarget Property Map:
2012Version Date:
AERIAL PHOTOGRAPHY IN THIS REPORT
20140725Portions of Photo from:
USDASource:
6037845.2s Page 2
B15 CAMP FIRE EMERGENCY SKYWAY ROAD CIWQS Lower 1 ft.
B14 ACCELERATED WILDFIRE SANTA ROSA ROAD CIWQS Lower 1 ft.
B13 CAMP FIRE EMERGENCY SKYWAY ROAD NPDES, CERS Lower 1 ft.
A12 TUSCAN RIDGE GOLF CO 3100 SKYWAY FINDS TP
A11 TUSCAN RIDGE GOLF CL 5 MI E OF HWY 99 ON WDS TP
A10 TUSCAN RIDGE GOLF CO 3100 SKYWAY CUPA Listings, EMI TP
A9 PACIFIC GAS AND ELEC 3100 SKYWAY FINDS, ECHO TP
A8 TUSCAN RIDGE GOLF CL 3100 SKYWAY HAZNET, HWTS TP
A7 TUSCAN RIDGE GOLF CL HWY 99 AND SKYWAY FINDS TP
A6 TUSCAN RIDGE BASE CA 3100 SKYWAY CERS TP
A5 TUSCAN RIDGE WORKERS 3100 SKYWAY NPDES, CIWQS, CERS TP
A4 PACIFIC GAS AND ELEC 3100 SKYWAY HWTS TP
A3 PACIFIC GAS AND ELEC 3100 SKYWAY RCRA NonGen / NLR TP
A2 TUSCAN RIDGE GOLF CL HWY 99 AND SKYWAY ENF, NPDES, CIWQS, CERS TP
A1 TUSCAN RIDGE BASE CA 3100 SKYWAY ROAD CHMIRS, CIWQS TP
MAPPED SITES SUMMARY
Target Property Address:
3100 SKYWAY
CHICO, CA 95928
Click on Map ID to see full detail.
MAP RELATIVE DIST (ft. & mi.)
ID DATABASE ACRONYMS ELEVATION DIRECTIONSITE NAME ADDRESS
EXECUTIVE SUMMARY
TC6037845.2s EXECUTIVE SUMMARY 3
TARGET PROPERTY SEARCH RESULTS
The target property was identified in the following records. For more information on this
property see page 9 of the attached EDR Radius Map report:
EPA IDDatabase(s)Site
TUSCAN RIDGE BASE CA
3100 SKYWAY ROAD
PARADISE, CA 95969
N/ACHMIRS
OES Incident Number: 18-5298
CIWQS
TUSCAN RIDGE GOLF CL
HWY 99 AND SKYWAY
CHICO, CA 95928
N/AENF
Status: Historical
Status: Active
Facility Id: 266763
NPDES
CIWQS
CERS
PACIFIC GAS AND ELEC
3100 SKYWAY
PARADISE, CA 95969
CAC002982200RCRA NonGen / NLR
EPA ID:: CAC002982200
PACIFIC GAS AND ELEC
3100 SKYWAY
PARADISE, CA 95969
N/AHWTS
TUSCAN RIDGE WORKERS
3100 SKYWAY
CHICO, CA 95928
N/ANPDES
Facility Status: Active
CIWQS
CERS
TUSCAN RIDGE BASE CA
3100 SKYWAY
PARADISE, CA 95969
N/ACERS
TUSCAN RIDGE GOLF CL
HWY 99 AND SKYWAY
CHICO, CA 95926
N/AFINDS
Registry ID:: 110065319480
TUSCAN RIDGE GOLF CL
3100 SKYWAY
PARADISE, CA 95969
N/AHAZNET
GEPAID: CAL000303395
HWTS
PACIFIC GAS AND ELEC
3100 SKYWAY
PARADISE, CA 95969
N/AFINDS
Registry ID:: 110070405823
ECHO
EXECUTIVE SUMMARY
TC6037845.2s EXECUTIVE SUMMARY 4
Registry ID: 110070405823
TUSCAN RIDGE GOLF CO
3100 SKYWAY
PARADISE, CA 95969
N/ACUPA Listings
Database: CUPA BUTTE, Date of Government Version: 04/21/2017
Facility ID: FA0003476
EMI
Facility Id: 255
TUSCAN RIDGE GOLF CL
5 MI E OF HWY 99 ON
CHICO, CA 95927
N/AWDS
Facility Status: A
Facility Id: 5A041052001
TUSCAN RIDGE GOLF CO
3100 SKYWAY
PARADISE, CA 95969
N/AFINDS
Registry ID:: 110065844572
DATABASES WITH NO MAPPED SITES
No mapped sites were found in EDR’s search of available ("reasonably ascertainable ") government
records either on the target property or within the search radius around the target property for the
following databases:
STANDARD ENVIRONMENTAL RECORDS
Federal NPL site list
NPL National Priority List
Proposed NPL Proposed National Priority List Sites
NPL LIENS Federal Superfund Liens
Federal Delisted NPL site list
Delisted NPL National Priority List Deletions
Federal CERCLIS list
FEDERAL FACILITY Federal Facility Site Information listing
SEMS Superfund Enterprise Management System
Federal CERCLIS NFRAP site list
SEMS-ARCHIVE Superfund Enterprise Management System Archive
Federal RCRA CORRACTS facilities list
CORRACTS Corrective Action Report
EXECUTIVE SUMMARY
TC6037845.2s EXECUTIVE SUMMARY 5
Federal RCRA non-CORRACTS TSD facilities list
RCRA-TSDF RCRA - Treatment, Storage and Disposal
Federal RCRA generators list
RCRA-LQG RCRA - Large Quantity Generators
RCRA-SQG RCRA - Small Quantity Generators
RCRA-VSQG RCRA - Very Small Quantity Generators (Formerly Conditionally Exempt Small Quantity
Generators)
Federal institutional controls / engineering controls registries
LUCIS Land Use Control Information System
US ENG CONTROLS Engineering Controls Sites List
US INST CONTROLS Institutional Controls Sites List
Federal ERNS list
ERNS Emergency Response Notification System
State- and tribal - equivalent NPL
RESPONSE State Response Sites
State- and tribal - equivalent CERCLIS
ENVIROSTOR EnviroStor Database
State and tribal landfill and/or solid waste disposal site lists
SWF/LF Solid Waste Information System
State and tribal leaking storage tank lists
LUST Geotracker’s Leaking Underground Fuel Tank Report
INDIAN LUST Leaking Underground Storage Tanks on Indian Land
CPS-SLIC Statewide SLIC Cases
State and tribal registered storage tank lists
FEMA UST Underground Storage Tank Listing
UST Active UST Facilities
AST Aboveground Petroleum Storage Tank Facilities
INDIAN UST Underground Storage Tanks on Indian Land
State and tribal voluntary cleanup sites
INDIAN VCP Voluntary Cleanup Priority Listing
VCP Voluntary Cleanup Program Properties
State and tribal Brownfields sites
BROWNFIELDS Considered Brownfieds Sites Listing
EXECUTIVE SUMMARY
TC6037845.2s EXECUTIVE SUMMARY 6
ADDITIONAL ENVIRONMENTAL RECORDS
Local Brownfield lists
US BROWNFIELDS A Listing of Brownfields Sites
Local Lists of Landfill / Solid Waste Disposal Sites
WMUDS/SWAT Waste Management Unit Database
SWRCY Recycler Database
HAULERS Registered Waste Tire Haulers Listing
INDIAN ODI Report on the Status of Open Dumps on Indian Lands
ODI Open Dump Inventory
DEBRIS REGION 9 Torres Martinez Reservation Illegal Dump Site Locations
IHS OPEN DUMPS Open Dumps on Indian Land
Local Lists of Hazardous waste / Contaminated Sites
US HIST CDL Delisted National Clandestine Laboratory Register
HIST Cal-Sites Historical Calsites Database
SCH School Property Evaluation Program
CDL Clandestine Drug Labs
CERS HAZ WASTE CERS HAZ WASTE
Toxic Pits Toxic Pits Cleanup Act Sites
US CDL National Clandestine Laboratory Register
PFAS PFAS Contamination Site Location Listing
Local Lists of Registered Storage Tanks
SWEEPS UST SWEEPS UST Listing
HIST UST Hazardous Substance Storage Container Database
CA FID UST Facility Inventory Database
CERS TANKS California Environmental Reporting System (CERS) Tanks
Local Land Records
LIENS Environmental Liens Listing
LIENS 2 CERCLA Lien Information
DEED Deed Restriction Listing
Records of Emergency Release Reports
HMIRS Hazardous Materials Information Reporting System
LDS Land Disposal Sites Listing
MCS Military Cleanup Sites Listing
SPILLS 90 SPILLS 90 data from FirstSearch
Other Ascertainable Records
FUDS Formerly Used Defense Sites
DOD Department of Defense Sites
SCRD DRYCLEANERS State Coalition for Remediation of Drycleaners Listing
US FIN ASSUR Financial Assurance Information
EXECUTIVE SUMMARY
TC6037845.2s EXECUTIVE SUMMARY 7
EPA WATCH LIST EPA WATCH LIST
2020 COR ACTION 2020 Corrective Action Program List
TSCA Toxic Substances Control Act
TRIS Toxic Chemical Release Inventory System
SSTS Section 7 Tracking Systems
ROD Records Of Decision
RMP Risk Management Plans
RAATS RCRA Administrative Action Tracking System
PRP Potentially Responsible Parties
PADS PCB Activity Database System
ICIS Integrated Compliance Information System
FTTS FIFRA/ TSCA Tracking System - FIFRA (Federal Insecticide, Fungicide, & Rodenticide
Act)/TSCA (Toxic Substances Control Act)
MLTS Material Licensing Tracking System
COAL ASH DOE Steam-Electric Plant Operation Data
COAL ASH EPA Coal Combustion Residues Surface Impoundments List
PCB TRANSFORMER PCB Transformer Registration Database
RADINFO Radiation Information Database
HIST FTTS FIFRA/TSCA Tracking System Administrative Case Listing
DOT OPS Incident and Accident Data
CONSENT Superfund (CERCLA) Consent Decrees
INDIAN RESERV Indian Reservations
FUSRAP Formerly Utilized Sites Remedial Action Program
UMTRA Uranium Mill Tailings Sites
LEAD SMELTERS Lead Smelter Sites
US AIRS Aerometric Information Retrieval System Facility Subsystem
US MINES Mines Master Index File
ABANDONED MINES Abandoned Mines
DOCKET HWC Hazardous Waste Compliance Docket Listing
UXO Unexploded Ordnance Sites
FUELS PROGRAM EPA Fuels Program Registered Listing
CA BOND EXP. PLAN Bond Expenditure Plan
Cortese "Cortese" Hazardous Waste & Substances Sites List
DRYCLEANERS Cleaner Facilities
Financial Assurance Financial Assurance Information Listing
ICE ICE
HIST CORTESE Hazardous Waste & Substance Site List
HWP EnviroStor Permitted Facilities Listing
HWT Registered Hazardous Waste Transporter Database
MINES Mines Site Location Listing
MWMP Medical Waste Management Program Listing
PEST LIC Pesticide Regulation Licenses Listing
PROC Certified Processors Database
Notify 65 Proposition 65 Records
UIC UIC Listing
UIC GEO UIC GEO (GEOTRACKER)
WASTEWATER PITS Oil Wastewater Pits Listing
WIP Well Investigation Program Case List
MILITARY PRIV SITES MILITARY PRIV SITES (GEOTRACKER)
PROJECT PROJECT (GEOTRACKER)
WDR Waste Discharge Requirements Listing
NON-CASE INFO NON-CASE INFO (GEOTRACKER)
OTHER OIL GAS OTHER OIL & GAS (GEOTRACKER)
PROD WATER PONDS PROD WATER PONDS (GEOTRACKER)
SAMPLING POINT SAMPLING POINT (GEOTRACKER)
EXECUTIVE SUMMARY
TC6037845.2s EXECUTIVE SUMMARY 8
WELL STIM PROJ Well Stimulation Project (GEOTRACKER)
MINES MRDS Mineral Resources Data System
EDR HIGH RISK HISTORICAL RECORDS
EDR Exclusive Records
EDR MGP EDR Proprietary Manufactured Gas Plants
EDR Hist Auto EDR Exclusive Historical Auto Stations
EDR Hist Cleaner EDR Exclusive Historical Cleaners
EDR RECOVERED GOVERNMENT ARCHIVES
Exclusive Recovered Govt. Archives
RGA LF Recovered Government Archive Solid Waste Facilities List
RGA LUST Recovered Government Archive Leaking Underground Storage Tank
SURROUNDING SITES: SEARCH RESULTS
Surrounding sites were identified in the following databases.
Elevations have been determined from the USGS Digital Elevation Model and should be evaluated on
a relative (not an absolute) basis. Relative elevation information between sites of close proximity
should be field verified. Sites with an elevation equal to or higher than the target property have been
differentiated below from sites with an elevation lower than the target property.
Page numbers and map identification numbers refer to the EDR Radius Map report where detailed
data on individual sites can be reviewed.
Sites listed in bold italics are in multiple databases.
Unmappable (orphan) sites are not considered in the foregoing analysis.
ADDITIONAL ENVIRONMENTAL RECORDS
Other Ascertainable Records
NPDES: A listing of NPDES permits, including stormwater.
A review of the NPDES list, as provided by EDR, and dated 11/11/2019 has revealed that there is 1
NPDES site within approximately 0.001 miles of the target property.
PageMap IDDirection / Distance Address Lower Elevation ____________________ ________ ___________________ _____ _____
CAMP FIRE EMERGENCY SKYWAY ROAD 0 - 1/8 (0.000 mi.) B13 38
Facility Status: Active
EXECUTIVE SUMMARY
TC6037845.2s EXECUTIVE SUMMARY 9
CIWQS: The California Integrated Water Quality System (CIWQS) is a computer system used by the
State and Regional Water Quality Control Boards to track information about places of environmental interest,
manage permits and other orders, track inspections, and manage violations and enforcement activities.
A review of the CIWQS list, as provided by EDR, and dated 12/03/2019 has revealed that there are 2
CIWQS sites within approximately 0.001 miles of the target property.
PageMap IDDirection / Distance Address Lower Elevation ____________________ ________ ___________________ _____ _____
ACCELERATED WILDFIRE SANTA ROSA ROAD 0 - 1/8 (0.000 mi.) B14 40
CAMP FIRE EMERGENCY SKYWAY ROAD 0 - 1/8 (0.000 mi.) B15 41
CERS: The CalEPA Regulated Site Portal database combines data about environmentally regulated
sites and facilities in California into a single database. It combines data from a variety of state and
federal databases, and provides an overview of regulated activities across the spectrum of environmental
programs for any given location in California. These activities include hazardous materials and waste, state
and federal cleanups, impacted ground and surface waters, and toxic materials
A review of the CERS list, as provided by EDR, and dated 01/21/2020 has revealed that there is 1 CERS
site within approximately 0.001 miles of the target property.
PageMap IDDirection / Distance Address Lower Elevation ____________________ ________ ___________________ _____ _____
CAMP FIRE EMERGENCY SKYWAY ROAD 0 - 1/8 (0.000 mi.) B13 38
EXECUTIVE SUMMARY
TC6037845.2s EXECUTIVE SUMMARY 10
Due to poor or inadequate address information, the following sites were not mapped. Count: 1 records.
Site Name Database(s)____________ ____________
CDL
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760720680640600 605605
52 0
5
3 6 0
11 20100010009
960 9 6 0
960920 920
920
9209 208 8 08 8880 880
880880880840840
840
840
84 08 4 0 84080 0800
80080 0800800
8 0076760760
7607 60
760
760 760720
7 2 0 720
7 2 0
7 2 0
720
720 720680
680
6 806806 806 80
68068 0680640640640
6 4 0 64 064 06 4 0 640640
0 0
6 0 0
6006 006 00
60 0
6 0 0
6 0 0
6 0040
5 60
5 6 0
560560 5 6 0
5 60
56 0520
2052020520
5 20
5 2052 04808 0
4 8 0
480 48 0 440440
44 0
4 40
4 0 0
400
4 00
400320
3 2 0
3 2 0
11 603 6 0
360 36036036 03603604 0 0
400400
4 0 0 400
4 001 121 120
10 8 0
1 0801 0 88801 040
10 4 0
1 0 40104010
8 00 11 0 0010
0
0
1 0 0 0 10001000
10 00969 60
960
9 60960960 96 0
960
9 6 0
9 20920
9 2 0
9 20 9209 2092 0
920880880
880
880
880
88 0
8808
8 80
8 8 0
880
8 40
840
840
8408 40 8408 4 0
8 4 0
8 40840
8408 40
84084080080 0
800
800
8 0 0 800800800
80 0
80080 08008 0 0
800
800800
7 60760
760
760
7 60760760
760
7 6076 0
76 07 6076
76 0
76 0
7 6 0
7 60760
7 607207 207 207 207207 20720
720 72 0
7207 20 7 20
7 207 2 0
7 2 0
7207 20720 7 2068 0
680
6 80680
680680680680
6 8068 06 8 0 6 80
680
680
6806 8 068 0680
806 406 4 0
640
640
640
6 4 0640640640
6 406406 4 0
6 406 40
6 4064 06406 4 0
6 4064 0
0600
6 0 0
600
600
6006 00
6 0 0 600600 600 60060 0
60 0
600
600 6006006006 0 0 6006005 60
560
56 056 056056 0
56 0
560 56056056 0 5605 605 6 0
560
560560
5 60
5605605 20520
5205 2 0
5205 2 0
520520
52 0 5 2052052 0
520
520
520
5205 2 0
520
5248048480
4 8 0
480
4804 8 0
480480
48048 0
48 0 48048 0
480480
48 0
480 4 80
4 40440440440
440440
4 4 0
44044 0
4404404 404 40440440
440
44 0
4 0 0
0400400
4 004 0040040 0360360 36036 0
3 2 0
EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.EDR Inc.880840
800760680640600560520
480 440400
320 360360
3 6 0
360
40040010401000
1000
960
960
920
920
920880
880880840
8408408408 00800
8008008760760760760760760720720720720720720720
720
6 8 0
680
680680680680640640
640
640640640640640600600600
6 006060
0 600600600560560
56 0
560 5605605 60520520520520520
52048480480
480480480
480440440
440440
400400
MAP FINDINGS SUMMARY
Search
TargetDistance Total
Database Property(Miles) < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted
STANDARD ENVIRONMENTAL RECORDS
Federal NPL site list
0 NR 0 0 0 0 1.000NPL
0 NR 0 0 0 0 1.000Proposed NPL
0 NR 0 0 0 0 1.000NPL LIENS
Federal Delisted NPL site list
0 NR 0 0 0 0 1.000Delisted NPL
Federal CERCLIS list
0 NR NR 0 0 0 0.500FEDERAL FACILITY
0 NR NR 0 0 0 0.500SEMS
Federal CERCLIS NFRAP site list
0 NR NR 0 0 0 0.500SEMS-ARCHIVE
Federal RCRA CORRACTS facilities list
0 NR 0 0 0 0 1.000CORRACTS
Federal RCRA non-CORRACTS TSD facilities list
0 NR NR 0 0 0 0.500RCRA-TSDF
Federal RCRA generators list
0 NR NR NR 0 0 0.250RCRA-LQG
0 NR NR NR 0 0 0.250RCRA-SQG
0 NR NR NR 0 0 0.250RCRA-VSQG
Federal institutional controls /
engineering controls registries
0 NR NR 0 0 0 0.500LUCIS
0 NR NR 0 0 0 0.500US ENG CONTROLS
0 NR NR 0 0 0 0.500US INST CONTROLS
Federal ERNS list
0 NR NR NR NR 0 0.001ERNS
State- and tribal - equivalent NPL
0 NR 0 0 0 0 1.000RESPONSE
State- and tribal - equivalent CERCLIS
0 NR 0 0 0 0 1.000ENVIROSTOR
State and tribal landfill and/or
solid waste disposal site lists
0 NR NR 0 0 0 0.500SWF/LF
State and tribal leaking storage tank lists
0 NR NR 0 0 0 0.500LUST
TC6037845.2s Page 4
MAP FINDINGS SUMMARY
Search
TargetDistance Total
Database Property(Miles) < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted
0 NR NR 0 0 0 0.500INDIAN LUST
0 NR NR 0 0 0 0.500CPS-SLIC
State and tribal registered storage tank lists
0 NR NR NR 0 0 0.250FEMA UST
0 NR NR NR 0 0 0.250UST
0 NR NR NR 0 0 0.250AST
0 NR NR NR 0 0 0.250INDIAN UST
State and tribal voluntary cleanup sites
0 NR NR 0 0 0 0.500INDIAN VCP
0 NR NR 0 0 0 0.500VCP
State and tribal Brownfields sites
0 NR NR 0 0 0 0.500BROWNFIELDS
ADDITIONAL ENVIRONMENTAL RECORDS
Local Brownfield lists
0 NR NR 0 0 0 0.500US BROWNFIELDS
Local Lists of Landfill / Solid
Waste Disposal Sites
0 NR NR 0 0 0 0.500WMUDS/SWAT
0 NR NR 0 0 0 0.500SWRCY
0 NR NR NR NR 0 0.001HAULERS
0 NR NR 0 0 0 0.500INDIAN ODI
0 NR NR 0 0 0 0.500ODI
0 NR NR 0 0 0 0.500DEBRIS REGION 9
0 NR NR 0 0 0 0.500IHS OPEN DUMPS
Local Lists of Hazardous waste /
Contaminated Sites
0 NR NR NR NR 0 0.001US HIST CDL
0 NR 0 0 0 0 1.000HIST Cal-Sites
0 NR NR NR 0 0 0.250SCH
0 NR NR NR NR 0 0.001CDL
0 NR NR NR 0 0 0.250CERS HAZ WASTE
0 NR 0 0 0 0 1.000Toxic Pits
0 NR NR NR NR 0 0.001US CDL
0 NR NR 0 0 0 0.500PFAS
Local Lists of Registered Storage Tanks
0 NR NR NR 0 0 0.250SWEEPS UST
0 NR NR NR 0 0 0.250HIST UST
0 NR NR NR 0 0 0.250CA FID UST
0 NR NR NR 0 0 0.250CERS TANKS
Local Land Records
0 NR NR NR NR 0 0.001LIENS
TC6037845.2s Page 5
MAP FINDINGS SUMMARY
Search
TargetDistance Total
Database Property(Miles) < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted
0 NR NR NR NR 0 0.001LIENS 2
0 NR NR 0 0 0 0.500DEED
Records of Emergency Release Reports
0 NR NR NR NR 0 0.001HMIRS
1 NR NR NR NR 0 0.001 1CHMIRS
0 NR NR NR NR 0 0.001LDS
0 NR NR NR NR 0 0.001MCS
0 NR NR NR NR 0 0.001SPILLS 90
Other Ascertainable Records
1 NR NR NR 0 0 0.250 1RCRA NonGen / NLR
0 NR 0 0 0 0 1.000FUDS
0 NR 0 0 0 0 1.000DOD
0 NR NR 0 0 0 0.500SCRD DRYCLEANERS
0 NR NR NR NR 0 0.001US FIN ASSUR
0 NR NR NR NR 0 0.001EPA WATCH LIST
0 NR NR NR 0 0 0.2502020 COR ACTION
0 NR NR NR NR 0 0.001TSCA
0 NR NR NR NR 0 0.001TRIS
0 NR NR NR NR 0 0.001SSTS
0 NR 0 0 0 0 1.000ROD
0 NR NR NR NR 0 0.001RMP
0 NR NR NR NR 0 0.001RAATS
0 NR NR NR NR 0 0.001PRP
0 NR NR NR NR 0 0.001PADS
0 NR NR NR NR 0 0.001ICIS
0 NR NR NR NR 0 0.001FTTS
0 NR NR NR NR 0 0.001MLTS
0 NR NR NR NR 0 0.001COAL ASH DOE
0 NR NR 0 0 0 0.500COAL ASH EPA
0 NR NR NR NR 0 0.001PCB TRANSFORMER
0 NR NR NR NR 0 0.001RADINFO
0 NR NR NR NR 0 0.001HIST FTTS
0 NR NR NR NR 0 0.001DOT OPS
0 NR 0 0 0 0 1.000CONSENT
0 NR 0 0 0 0 1.000INDIAN RESERV
0 NR 0 0 0 0 1.000FUSRAP
0 NR NR 0 0 0 0.500UMTRA
0 NR NR NR NR 0 0.001LEAD SMELTERS
0 NR NR NR NR 0 0.001US AIRS
0 NR NR NR 0 0 0.250US MINES
0 NR NR NR 0 0 0.250ABANDONED MINES
3 NR NR NR NR 0 0.001 3FINDS
0 NR NR NR NR 0 0.001DOCKET HWC
1 NR NR NR NR 0 0.001 1ECHO
0 NR 0 0 0 0 1.000UXO
0 NR NR NR 0 0 0.250FUELS PROGRAM
0 NR 0 0 0 0 1.000CA BOND EXP. PLAN
0 NR NR 0 0 0 0.500Cortese
1 NR NR NR 0 0 0.250 1CUPA Listings
TC6037845.2s Page 6
MAP FINDINGS SUMMARY
Search
TargetDistance Total
Database Property(Miles) < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted
0 NR NR NR 0 0 0.250DRYCLEANERS
1 NR NR NR NR 0 0.001 1EMI
1 NR NR NR NR 0 0.001 1ENF
0 NR NR NR NR 0 0.001Financial Assurance
1 NR NR NR NR 0 0.001 1HAZNET
0 NR NR NR NR 0 0.001ICE
0 NR NR 0 0 0 0.500HIST CORTESE
0 NR 0 0 0 0 1.000HWP
0 NR NR NR 0 0 0.250HWT
0 NR NR NR 0 0 0.250MINES
0 NR NR NR 0 0 0.250MWMP
3 NR NR NR NR 1 0.001 2NPDES
0 NR NR NR NR 0 0.001PEST LIC
0 NR NR 0 0 0 0.500PROC
0 NR 0 0 0 0 1.000Notify 65
0 NR NR NR NR 0 0.001UIC
0 NR NR NR NR 0 0.001UIC GEO
0 NR NR 0 0 0 0.500WASTEWATER PITS
1 NR NR NR NR 0 0.001 1WDS
0 NR NR NR 0 0 0.250WIP
0 NR NR NR NR 0 0.001MILITARY PRIV SITES
0 NR NR NR NR 0 0.001PROJECT
0 NR NR NR NR 0 0.001WDR
5 NR NR NR NR 2 0.001 3CIWQS
4 NR NR NR NR 1 0.001 3CERS
0 NR NR NR NR 0 0.001NON-CASE INFO
0 NR NR NR NR 0 0.001OTHER OIL GAS
0 NR NR NR NR 0 0.001PROD WATER PONDS
0 NR NR NR NR 0 0.001SAMPLING POINT
0 NR NR NR NR 0 0.001WELL STIM PROJ
2 NR NR NR NR NR TP 2HWTS
0 NR NR NR NR 0 0.001MINES MRDS
EDR HIGH RISK HISTORICAL RECORDS
EDR Exclusive Records
0 NR 0 0 0 0 1.000EDR MGP
0 NR NR NR NR 0 0.125EDR Hist Auto
0 NR NR NR NR 0 0.125EDR Hist Cleaner
EDR RECOVERED GOVERNMENT ARCHIVES
Exclusive Recovered Govt. Archives
0 NR NR NR NR 0 0.001RGA LF
0 NR NR NR NR 0 0.001RGA LUST
25 0 0 0 0 4 21- Totals --
TC6037845.2s Page 7
APPENDIX D
Preliminary Screen for Vapor Encroachment Conditions Matrix
Yes No If No, then screening for a VEC is complete and no VEC currently exists, go to #4. If Yes, then:
Yes No If No, then screening for a VEC is complete and no VEC currently exists, go to #4. If Yes, then:
If Yes, check all COC that apply on attached Table B.
(3a) Is information related to the contaminated(s) plume available (i.e. isoconcentration maps, site drawings, etc.)?
Yes No
(3b) If No , then screening for a VEC is complete and no VEC currently exists, go to #4. If Yes , then:
(3c) Is the site less than 100 feet to the nearest edge of a contaminated [non-petroleum hydrocarbon] plume(s)?
Yes No
(3d) Is the site less than 30 feet to the nearest edge of a dissolved petroleum hydrocarbon plume(s)?
Yes No
(4) Is it likely that a VEC currently exists beneath the site?
Yes No If Yes, then recommend performing a full scope VEC assessment according to ASTM E 2600-15.
[1] Based on guidance presented in the ASTM E 2600-15 Standard.
[2] Chemical(s) of concern (COC): See attached table for typical chemicals of concern (as presented in Appendix X6.1 of the ASTM E 2600-15 Standard).
If the distance from the nearest edge of a contaminated plume to the nearest existing or planned structure on the site is less
than 100 feet for non-petroleum hydrocarbon COC, or less than 30 feet for dissolved petroleum hydrocarbons, then it is
presumed that a VEC currently exists beneath the site. If the distance from the nearest edge of the contaminated plume is
greater than or equal to 100 feet for non-petroleum hydrocarbons, or 30 feet for dissolved petroleum hydrocarbon chemicals of
concern, then it is presumed unlikely that a VEC currently exists beneath the site.
(1) Search Radius Test: Are there any known or suspect contaminated sites in the primary area of concern within the
corresponding search radii? (if yes, see attached Table A).
(2) Chemicals of Concern[2] Test: Are COC likely to be present within the area of concern for those known or suspect
contaminated sites identified based on the Search Distance Test?
(3) Critical Distance Test: A plume test to determine whether or not COC in the contaminated plume(s) may be within the
critical distance.
Phase I ESA Screen for Vapor Encroachment Conditions (VEC) matrix includes a (1) Search Radius Test, (2) Chemicals of
Concern Test (COC), and (3) a Critical Distance Test[1].
Screen for Vapor Encroachment Conditions Matrix
TUSCAN RIDGE PROPERTY
WKA No. 12206.04
APPENDIX E
Site Visit Letters
April 15, 2020
Mr. Scott Bates
Tuscan Ridge Associates, LLC
1420 E. Roseville Parkway
Suite 140, Box 247
Roseville, California 95661
Site Inspection Report II (April 9, 2020)
3100 SKYWAY PROPERTY
Paradise, California
WKA Project Number 12206.04
Dear Mr.Bates:
At your request, Wallace-Kuhl & Associates conducted an April 9, 2020 site visit of your 175-
acre Tuscan Ridge property located at 3100 Skyway between Paradise and Chico, California
(Figure 1).The property had been leased by ECC Constructors, LLC,for base camp operations
related cleanup of the Camp Fire in Butte County.Since the summer of 2018, the Site has been
the focus of much activity. This activity includes:
PG&E Vegetation Management Camp, Summer 2018 to November 2018
PG&E Emergency Response Operations, November 7, 2018 to February 15,2019
Base Camp Utility Installations, February 2019 to April 2019
Camp Fire Debris Removal Base Camp April 2019 to March 2020
WKA conducted an initial site inspection related to a Phase I Environmental Site Assessment on
January 2, 2019.During this initial site inspection, the property was crowded with PG&E and
subcontractor equipment including sleeping trailers, dinning and recreation tents and hundreds
of vehicles. WKA was told that the property had previously contained a golf course and noted a
golf-related maintenance area with older mowing and grounds keeping equipment, a club
house, storage building and golf cart charging station. Beyond the golf-related equipment, WKA
noted the following features or activities apparently linked to PG&E or subcontractors:
:
Secondary containment for incidental fuel spills under mobile equipment.
Stained soils in the vicinity of the mobile fueling operation located on the eastern 1/3 of
the property. PG&E personnel were verbally notified of the stained soil and petroleum
Site Inspection Report II (April 9, 2020)Page 2
3100 SKYWAY PROPERTYWKAProject No 12206.04
April 15, 2020
odors in soil,during inspection.The location of the fueling area was delineated by WKA
personnel using a high precision GPS.
Evidence of stormwater-related erosion at the western or lower end of the property
Covered and uncovered soil stockpiles of unknown origin
Large quantities of imported aggregate base rock
On February 15, 2019, WKA completed a second site inspection at the request of Scott Bates.
Mr. Bates indicated that PG&E had vacated the site and he wished to confirm the condition of
the property.
During this second inspection, WKA noted that the site was nearly vacant of PG&E equipment
and personnel,but large quantities of aggregate base rock remained on the property.The only
significant activity at the time of the inspection were several pieces of heavy equipment working
on the southern portion of the property moving piles of wood mulch.
Details of WKA observations during the February 15, 2019 Site Inspection can be found in the
February 26, 2019 WKA Site Inspection Report but included observations of Site activities and
descriptions of significant soil/gravel erosion and failure of the storm water best management
practices (BMPs).
Follow the February departure of PG&E, planning and excavation activities were conducted to
construct two waste water detention ponds and a large septic and specialized leach field system
in preparation for the debris removal base camp related to the Camp Fire.
Base camp construction began on April 14, 2019.Base camp operations consisted of
equipment storage, housing, dining and recreational activities as well as cleanup logistics. By
late March of 2020, the base camp operations ceased on the property.
On April 9, 2020, WKA conducted a post-base camp Site inspection. On the day of our
inspection, the Site was covered with significant amounts of imported crushed rock and
aggregate base material that had been used to construct pads for various roads, parking areas
and temporary structures (Figure 2a).
A permanent Quonset hut-type structure was noted on a concrete pad on the eastern 1/3 of the
property. The structure appeared new but was empty. Other structures on the property
included the former golf club house, maintenance building and former golf cart storage canopy.
Site Inspection Report II (April 9, 2020)Page 3
3100 SKYWAY PROPERTYWKAProject No 12206.04
April 15, 2020
The two waste water ponds were noted near the southern property line and appeared to be
approximately 4.5 acres.The ponds were lined and surrounded by chain-link fence.WKA also
noted a line of green vent pipes located west of the former golf club house (Figure 2b). These
vent pipes are apparently part of the leach field bioactive system installed for base camp
operations.
Other notable observations included the presence of two large trenching machines and a small
maintenance area (Figures 2a and 2b). The maintenance area contained two empty 55-gallon
drums labeled hydraulic fluid and one poly-cube approximately four-feet on each side and
encased in a steel cage for transport. The cube was approximately 1/3 full of dark fluid but did
not appear to be leaking. Other items in the maintenance area included welding tables, rock
bits and other replacement parts for the trenching machines.
Several square concrete pads, approximately five feet on a site were noted in the central portion
of the property (Figure 2b). The pads each had numerous conduits (presumably electrical)
protruding from them. Each of the conduits was capped with a plastic plug.
WKA did not observe areas of stained soil, distressed vegetation or other indications of
contamination and did not observe the mulch piles that were previously documented on the site.
If you have questions or comments on the above site inspection report, please do not
hesitate to contact me.
Wallace-Kuhl & Associates
Kurt Balasek, P.G., C.HG.
Senior Hydrogeologist
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L i n d o C hannelHamlinSloughLittl e B utteC reekFIGURE
DRAWN BY
CHECKED BY
PROJECT MGR
DATE
1
RWO
NMM
KMB
04/2020
VICINITY MAP
TUSCAN RIDGE PROPERTY
Paradise, California
±
0 2,500 5,000
Feet
Street data courtesy of ESRI, 2010.Hydrography courtesy of the U.S. Geological Surveyacquired from the GIS Data Depot, December, 2007.Projection: NAD 83, California State Plane, Zone II
WKA NO.12206.04
Trenching Machine Maintenance Area.
Quonset Hut-Type Permanent Structure.Looking west from east end of Site
Waste Water Ponds Looking West.
WKA NO. 12206.04
DATE
CHECKED BY
PROJECT MGR
DRAWN BYCOLOR PHOTOGRAPHS
TUSCAN RIDGE PROPERTY
Chico, California
FIGURE 2a
KMB
KMB
4/2020
Above-Ground Storage Tanks in Secondary Containment
Trenching MachinesElectrical Pads Looking West.
Septic Biosystem Vent Pipes
WKA NO. 12206.04
DATE
CHECKED BY
PROJECT MGR
DRAWN BYCOLOR PHOTOGRAPHS
TUSCAN RIDGE PROPERTY
Chico, California
FIGURE 2b
4/2020
KMB
KMB
KMB