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.O `AGRICULTURAL <br /> Analytical Chemists <br /> July 9, 2024 <br /> Lab No. : STK2439662-001 <br /> San Joaquin Co. Environmental Health Dep Customer No.: 3017919 <br /> Water Quality Division <br /> Attn: Scott Sanglaang Sampled On :July 1, 2024 at 11:02 <br /> 1868 East Hazelton Ave. Sampled By : Rena LeRoy <br /> Stockton, CA 95205 Received On :July 1, 2024 at 11:32 <br /> Description :Wellhead Matrix : Drinking Water <br /> Project : 17334 E. Colony Ripon, CA 95366- <br /> WP0044595 <br /> Sample Results - Inorganic <br /> Sample AnalysisGeneral Mineral Date Time Who Method Date Time Who <br /> Total Hardness as CaCO3 155 2.5 mg/L 1 07/03/2024 13:00 ac 2340B 07/03/2024 16:23 ac <br /> Calcium 39 1 mg/L 1 07/03/2024 13:00 ac EPA 200.7 07/03/2024 16:23 ac <br /> Magnesium 14 1 mg/L 1 07/03/2024 13:00 ac EPA 200.7 07/03/2024 16:23 ac <br /> Potassium 6 1 mg/L 1 07/03/2024 13:00 ac EPA 200.7 07/03/2024 16:23 ac <br /> Sodium 27 1 mg/L 1 07/03/2024 13:00 ac EPA 200.7 07/03/2024 16:23 ac <br /> Total Cations 4.4 --- meq/L 1 07/03/2024 13:00 ac Calc. 07/03/2024 16:23 ac <br /> Boron 0.1 0.1 mg/L 1 07/03/2024 13:00 ac EPA 200.7 07/03/2024 16:23 ac <br /> Copper 30 10 ug/L 10002 1 07/03/2024 13:00 ac EPA 200.7 07/03/2024 16:23 ac <br /> Iron ND 30 ug/L 3002 1 U 07/03/2024 13:00 ac EPA 200.7 07/03/2024 16:23 ac <br /> Manganese ND 10 ug/L 502 1 U 07/03/2024 13:00 ac EPA 200.7 07/03/2024 16:23 ac <br /> Zinc 3720 20 ug/L 5000 1 07/03/2024 13:00 ac EPA 200.7 07/03/2024 16:23 ac <br /> SAR 0.9 0.1 1 07/03/2024 13:00 ac Calc. 07/03/2024 16:23 ac <br /> Total Alkalinity(as CaCO3) 130 10 mg/L 1 07/03/2024 14:30 amm SM 4500-H+B 07/03/2024 21:37 amm <br /> Hydroxide as OH ND 10 mg/L 1 U 07/03/2024 14:30 amm SM 4500-H+B 07/03/2024 21:37 amm <br /> Carbonate as CO3 ND 10 mg/L 1 U 07/03/2024 14:30 amm SM 4500-H+B 07/03/2024 21:37 amm <br /> Bicarbonate as HCO3 160 10 mg/L 1 07/03/2024 14:30 amm SM 4500-H+B 07/03/2024 21:37 amm <br /> Sulfate 26.4 0.5 mg/L 5002 1 07/02/2024 18:08 ldm EPA 300.0 07/03/2024 03:46 ldm <br /> Chloride 54 1 mg/L 5002 1 07/02/2024 18:08 ldm EPA 300.0 07/03/2024 03:46 ldm <br /> Nitrate as NO3 10.2 0.4 mg/L 45 1 1 07/02/2024 18:08 ldm EPA 300.0 07/03/2024 03:46 ldm <br /> Nitrite as N ND 0.1 mg/L 1 1 U 07/02/2024 18:08 ldm EPA 300.0 07/03/2024 03:46 ldm <br /> Nitrate+Nitrite as N 2.3 0.1 mg/L 10 1 1 07/02/2024 18:08 ldm EPA 300.0 07/03/2024 03:46 ldm <br /> Fluoride 0.1 0.1 mg/L 2 1 07/02/2024 18:08 ldm EPA 300.0 07/03/2024 03:46 ldm <br /> Total Anions 4.9 --- meq/L 1 1 07/03/2024 14:30 amm Calc. 07/03/2024 21:37 amm <br /> pH 7.33 --- units 1 07/01/2024 11:02 rl SM 4500-H+B 07/01/2024 11:02 rl <br /> Specific Conductance 502 1 umhos/cm 16002 1 07/03/2024 14:30 amm SM 4500-H+B 07/03/2024 21:37 amm <br /> Total Dissolved Solids 310 20 mg/L 10002 1 07/03/2024 10:15 ctl SM 2540 C 07/05/2024 11:00 ctl <br /> MBAS,Calc.as LAS,MW 320 Negative 0.1 mg/L 0.52 1 U 07/02/2024 13:43 krh SM 5540 C 07/02/2024 13:56 krh <br /> Aggressiveness Index 11.4 1 1 07/01/2024 11:02 rl Calc. 07/01/2024 11:02 rl <br /> Langelier Index(20°C) -0.4 1 1 07/01/2024 11:02 rl Calc. 07/01/2024 11:02 rl <br /> Nitrate Nitrogen 2.3 0.1 mg/L 10 1 1 07/02/2024 18:08 ldm EPA 300.0 07/03/2024 03:46 ldm <br /> DQF Flags Definition: <br /> U Constituent results were non-detect. <br /> 1 The MS/MSD did not meet QC criteria. <br /> ND=Non-Detected, RL=Reporting Level, Dil.=Dilution <br /> MCL= Maximum Contamination Level. 2 - Secondary Standard. 3-CDPH Notification Level.AL= Regulatory Action Level. <br /> Section: Sample Results Page 2 of 7 Page 2 of 7 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo Avenue 3442 Empresa Drive,Suite D 9415 W.Goshen Avenue <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 San Luis Obispo,CA 93401 Visalia,CA 93291 <br /> TEL:(805)392-2000 TEL:(209)942-0182 TEL:(530)343-5818 TEL:(805)783-2940 TEL:(559)734-9473 <br /> Env FAX:(805)525-4172/Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX:(530)343-3807 FAX:(805)783-2912 FAX:(559)734-8435 <br /> CA ELAP Certification No.1573 CA ELAP Certification No.1563 CA ELAP Certification No.2670 CA ELAP Certification No.2775 CA ELAP Certification No.2810 <br />