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Home My WebLink About028-390-004 EH-WR-26-0013 WELL SAMPLING REPORT, NITRATESSection: Case NarrativeSection: Case Narrative This Page is to be Stamped February 24, 2026 BigN & Son Drilling Attn: Melissa Medrano P.O. Box 902 Palermo, CA 95968 Lab No.: CH 2671435 Customer No.: 7014130 Laboratory Report Introduction: This report package contains a total of 4 pages divided into 4 sections: Case Narrative (1 page): An overview of the work performed at FGL. Sample Results (1 page): Results for each sample submitted. Interpretation (1 page): Drinking water Interpretation for each sample submitted. Quality Control (1 page): Supporting Quality Control (QC) results. Case Narrative This Case Narrative pertains to the following samples: Sample Description Date Sampled Date Received FGL Lab No.Matrix Well Head 02/18/2026 02/18/2026 CH 2671435-001 DW Sampling and Receipt Information: The Sample was received in acceptable condition and within temperature requirements, unless noted on the Condition Upon Receipt (CUR) form. The Sample was received, prepared and analyzed within the method specified holding times. All samples arrived on ice. All samples were checked for pH if acid or base preservation is required (except for VOAs). For details of sample receipt information, please see the associated Chain of Custody and Condition Upon Receipt Form. Quality Control: All samples were prepared and analyzed according to established quality control criteria. Any exceptions are noted in the Quality Control Section of this report. Test Summary SM 4500-NO3 F Preparation and analysis performed by FGL-Santa Paula (FGL-SP ELAP# 1573) Certification: I certify that this data package is in compliance with ELAP standards, both technically and for completeness, except for any conditions listed above and in the QC Section. Release of the data contained in this data package is authorized by the Laboratory Director or his designee, as verified by the following electronic signature. This report shall not be reproduced except in full, without the written approval of the laboratory. KD: MKH 44 Digitial Signature Stamp Y = 8.2368 Page 1 of 4 Corporate Offices & Laboratory853 Corporation StreetSanta Paula, CA 93060TEL: (805)392-2000CA ELAP Certification No. 1573 Office & Laboratory2500 Stagecoach RoadStockton, CA 95215 TEL: (209)942-0182 CA ELAP Certification No. 1563 Office & Laboratory 563 E. Lindo AvenueChico, CA 95926TEL: (530)343-5818 CA ELAP Certification No. 2670 Office & Laboratory9411 W. Goshen Avenue Visalia, CA 93291 TEL: (559)734-9473CA ELAP Certification No. 2810 Office & Laboratory 3442 Empresa Drive, Suite D San Luis Obispo, CA 93401 TEL: (805)783-2940 CA ELAP Certification No. 2775 ENVIRONMENTAL AGRICULTURAL Analytical Chemists Approved By Kelly A. Dunnahoo, B.S. Digitally signed by Kelly A. Dunnahoo, B.S.Title: Laboratory DirectorDate: 2026-02-25 Page 1 of 4 Section: Sample Results This Page is to be Stamped February 24, 2026 BigN & Son Drilling Attn: Melissa Medrano P.O. Box 902 Palermo, CA 95968 Description :Well Head Project :211 Sunny hill Lab No.: CH 2671435-001 Customer No.: 7014130 Sampled On : February 18, 2026 at 10:30 Sampled By : Manny Received On : February 18, 2026 at 12:30 Matrix : Drinking Water Sample Results - Inorganic Constituent Result RL Units MCL/AL Dil.DQF Sample Preparation Sample Analysis Wet Chemistry Date Time Who Method Date Time Who Nitrate Nitrogen 1.9 0.4 mg/L 10 1 02/19/2026 12:45 mm1 SM 4500-NO3 F 02/19/2026 14:13 mm1 DQF Flags Definition: ND=Non-Detected, RL=Reporting Level , Dil.=Dilution MCL = Maximum Contamination Level. 2 - Secondary Standard. 3 - CDPH Notification Level. AL = Regulatory Action Level. Page 2 of 4 Corporate Offices & Laboratory853 Corporation StreetSanta Paula, CA 93060TEL: (805)392-2000CA ELAP Certification No. 1573 Office & Laboratory2500 Stagecoach RoadStockton, CA 95215 TEL: (209)942-0182 CA ELAP Certification No. 1563 Office & Laboratory 563 E. Lindo AvenueChico, CA 95926TEL: (530)343-5818 CA ELAP Certification No. 2670 Office & Laboratory9411 W. Goshen Avenue Visalia, CA 93291 TEL: (559)734-9473CA ELAP Certification No. 2810 Office & Laboratory 3442 Empresa Drive, Suite D San Luis Obispo, CA 93401 TEL: (805)783-2940 CA ELAP Certification No. 2775 ENVIRONMENTAL AGRICULTURAL Analytical Chemists Page 2 of 4 Section: Drinking Water Interpretations This Page is to be Stamped February 24, 2026 BigN & Son Drilling Description :Well Head Project :211 Sunny hill Lab No.: CH 2671435-001 Customer No.: 7014130 Matrix : Drinking Water Sampled On : February 18, 2026 at 10:30 Drinking Water Interpretations Summary: Your water was acceptable for all items tested on this sample report. Details are presented below: Constituent Result Units MCL Result Compared to MCL Inorganic - Primary Less Than or Equal Exceeded Nitrate Nitrogen 1.9 mg/L 10 PASS ND=Non-Detect Definitions MCL The maximum level at which a constituent may be present and be considered acceptable for potability or aesthetics. Primary Items listed as primary are regulated because of health concerns. If there is a failure for a primary constituent treatment is normally required. Secondary Items listed as secondary are regulated because they may adversely affect the taste, odor or appearance of drinking water. They are not directly health related. If there is a failure for a secondary constituent on a small public water system it is best to consult your regulator to determine if treatment is required. A secondary constituent failure for a private water system does not require treatment. However, the owner may wish to treat the water in order to improve the quality. Treatment If your water requires treatment we suggest that you contact a qualified water treatment company. They are normally listed under the following searches: Water Purification & Filtration Equipment Water Softening & Conditioning Equipment Water Treatment Equipment Page 3 of 4 Corporate Offices & Laboratory853 Corporation StreetSanta Paula, CA 93060TEL: (805)392-2000CA ELAP Certification No. 1573 Office & Laboratory2500 Stagecoach RoadStockton, CA 95215 TEL: (209)942-0182 CA ELAP Certification No. 1563 Office & Laboratory 563 E. Lindo AvenueChico, CA 95926TEL: (530)343-5818 CA ELAP Certification No. 2670 Office & Laboratory9411 W. Goshen Avenue Visalia, CA 93291 TEL: (559)734-9473CA ELAP Certification No. 2810 Office & Laboratory 3442 Empresa Drive, Suite D San Luis Obispo, CA 93401 TEL: (805)783-2940 CA ELAP Certification No. 2775 ENVIRONMENTAL AGRICULTURAL Analytical Chemists Page 3 of 4 Section: Quality ControlSection: Quality Control This Page is to be Stamped February 24, 2026 BigN & Son Drilling Lab No.: CH 2671435 Customer No.: 7014130 Quality Control - Wet Chem Constituent Method Date/ID Type Units Conc.QC Data DQO Note Wet Chem Nitrate Nitrogen 4500NO3F 02/19/2026:201815MM1 Blank mg/L ND <0.4 LCS mg/L 11.22 95.6%80-120 MS mg/L 5.609 94.3%66-125 (SP 2602974-004)MSD mg/L 5.609 96.5%66-125 MSRPD mg/L 1.7%≤30.4 Definition Blank :Method Blank - Prepared to verify that the preparation process is not contributing contamination to the samples. DQO :Data Quality Objective - This is the criteria against which the quality control data is compared. LCS :Laboratory Control Standard/Sample - Prepared to verify that the preparation process is not affecting analyte recovery. MS :Matrix Spikes - A random sample is spiked with a known amount of analyte. The recoveries are an indication of how that sample matrix affects analyte recovery. MSD :Matrix Spike Duplicate of MS/MSD pair - A random sample duplicate is spiked with a known amount of analyted. The recoveries are an indication of how that sample matrix affects analyte recovery. MSRPD :MS/MSD Relative Percent Difference (RPD) - The MS relative percent difference is an indication of precision for the preparation and analysis. ND :Non-detect - Result was below the DQO listed for the analyte. Page 4 of 4 Corporate Offices & Laboratory853 Corporation StreetSanta Paula, CA 93060TEL: (805)392-2000CA ELAP Certification No. 1573 Office & Laboratory2500 Stagecoach RoadStockton, CA 95215 TEL: (209)942-0182 CA ELAP Certification No. 1563 Office & Laboratory 563 E. Lindo AvenueChico, CA 95926TEL: (530)343-5818 CA ELAP Certification No. 2670 Office & Laboratory9411 W. Goshen Avenue Visalia, CA 93291 TEL: (559)734-9473CA ELAP Certification No. 2810 Office & Laboratory 3442 Empresa Drive, Suite D San Luis Obispo, CA 93401 TEL: (805)783-2940 CA ELAP Certification No. 2775 ENVIRONMENTAL AGRICULTURAL Analytical Chemists Page 4 of 4