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.O `AGRICULTURAL <br /> Analytical Chemists <br /> January 23, 2024 <br /> Lab No. : STK2430811-001 <br /> San Joaquin Co. Environmental Health Dep Customer No.: 3017919 <br /> Water Quality Division <br /> Attn: Scott Sanglaang Sampled On :January 12, 2024 at 13:23 <br /> 1868 East Hazelton Ave. Sampled By : Naseem Ahmed <br /> Stockton, CA 95205 Received On :January 12, 2024 at 15:00 <br /> Description :Well Head Matrix : Drinking Water <br /> Project :24684 Meadow Creek Ct WP0044442 <br /> Acampo <br /> Sample Results - Inorganic <br /> General Mineral Date Time Who Method Date Time Who <br /> Total Hardness as CaCO3 156 2.5 mg/L 1 01/16/2024 13:00 ac 2340B 01/16/2024 16:28 ac <br /> Calcium 33 1 mg/L 1 01/16/2024 13:00 ac EPA 200.7 01/16/2024 16:28 ac <br /> Magnesium 18 1 mg/L 1 01/16/2024 13:00 ac EPA 200.7 01/16/2024 16:28 ac <br /> Potassium 5 1 mg/L 1 01/16/2024 13:00 ac EPA 200.7 01/16/2024 16:28 ac <br /> Sodium 14 1 mg/L 1 01/16/2024 13:00 ac EPA 200.7 01/16/2024 16:28 ac <br /> Total Cations 3.9 --- meq/L 1 01/16/2024 13:00 ac Calc. 01/16/2024 16:28 ac <br /> Boron ND 0.1 mg/L 1 U 01/16/2024 13:00 ac EPA 200.7 01/16/2024 16:28 ac <br /> Copper 20 10 ug/L 1000, 1 01/16/2024 13:00 ac EPA 200.7 01/16/2024 16:28 ac <br /> Iron ND 30 ug/L 300, 1 U 01/16/2024 13:00 ac EPA 200.7 01/16/2024 16:28 ac <br /> Manganese ND 10 ug/L 50, 1 U 01/16/2024 13:00 ac EPA 200.7 01/16/2024 16:28 ac <br /> Zinc 30 20 ug/L 5000 1 01/16/2024 13:00 ac EPA 200.7 01/16/2024 16:28 ac <br /> SAR 0.5 0.1 1 01/16/2024 13:00 ac Calc. 01/16/2024 16:28 ac <br /> Total Alkalinity(as CaCO3) 150 10 mg/L 1 01/21/2024 18:46 amm SM 4500-11+13 01/21/2024 20:50 amm <br /> Hydroxide as OH ND 10 mg/L 1 U 01/21/2024 18:46 amm SM 4500-H+B 01/21/2024 20:50 amm <br /> Carbonate as CO3 ND 10 mg/L 1 U 01/21/2024 18:46 amm SM 4500-11+13 01/21/2024 20:50 amm <br /> Bicarbonate as HCO3 180 10 mg/L 1 01/21/2024 18:46 amm SM 4500-H+B 01/21/2024 20:50 amm <br /> Sulfate 11.3 0.5 mg/L 500, 1 01/19/2024 12:38 ldm EPA 300.0 01/19/2024 21:03 ldm <br /> Chloride 24 1 mg/L 500, 1 01/19/2024 12:38 ldm EPA 300.0 01/19/2024 21:03 Min <br /> Nitrate as NO3 11.0 0.4 mg/L 45 1 01/19/2024 11:30 Up SM 4500-NO3 F 01/19/2024 12:39 ilp <br /> Nitrite as N ND 0.1 mg/L 1 1 U 01/13/2024 21:00 amm SM 4500-NO2 B 01/13/2024 22:07 amm <br /> Nitrate+Nitrite as N 2.5 0.4 mg/L 10 1 01/19/2024 11:30 Up SM 4500-NO3 F 01/19/2024 12:39 ilp <br /> Fluoride 0.1 0.1 mg/L 2 1 01/19/2024 12:38 ldm EPA 300.0 01/19/2024 21:03 Min <br /> Total Anions 4.0 --- meq/L 1 01/21/2024 18:46 amm Calc. 01/21/2024 20:50 amm <br /> pH 7.0 --- units 1 01/12/2024 13:23 na SM 4500-H+B 01/12/2024 13:23 na <br /> Specific Conductance 394 1 umhos/cm 16002 1 01/21/2024 18:46 amm SM 4500-H+B 01/21/2024 20:50 amm <br /> Total Dissolved Solids 290 20 mg/L 10001 1 01/16/2024 12:30 ctl SM 2540 C 01/17/2024 10:00 ctl <br /> MBAS,Calc.as LAS,MW 320 Negative 0.1 mg/L 0.52 1 U 01/13/2024 19:00 amm SM 5540 C 01/13/2024 19:10 amm <br /> Aggressiveness Index 11.1 1 1 01/12/2024 13:23 na Calc. 01/12/2024 13:23 na <br /> Langelier Index(20°C) -0.7 1 1 01/12/2024 13:23 na Calc. 01/12/2024 13:23 na <br /> Nitrate Nitrogen 2.5 0.4 mg/L 10 1 01/19/2024 11:30 Up SM 4500-NO3 F 01/19/2024 12:39 ilp <br /> DQF Flags Definition: <br /> U Constituent results were non-detect. <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 />