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Section: Sample Results <br />This Page is to be Stamped <br />July 1, 2022 <br />San Joaquin Co. Environmental Health Dep <br />Water Quality Division <br />Attn: Steven Shih <br />1868 East Hazelton Ave. <br />Stockton, CA 95205 <br />Description :Wellhead <br />Project :750 Holden Rd.,Linden <br />Lab No.: STK2237542-001 <br />Customer No.: 3017919 <br />Sampled On : May 31, 2022 at 12:15 <br />Sampled By : Naseem Ahmed <br />Received On : May 31, 2022 at 13:19 <br />Matrix : Drinking Water <br /> <br />Sample Results - Inorganic <br />Constituent Result RL Units MCL/AL Dil.DQF Sample Preparation Sample Analysis <br />General Mineral Date Time Who Method Date Time Who <br />Total Hardness as CaCO3 125 2.5 mg/L 1 06/03/2022 08:00 ac EPA 200.7 06/03/2022 18:08 ac <br />Calcium 27 1 mg/L 1 06/03/2022 08:00 ac EPA 200.7 06/03/2022 18:08 ac <br />Magnesium 14 1 mg/L 1 06/03/2022 08:00 ac EPA 200.7 06/03/2022 18:08 ac <br />Potassium 4 1 mg/L 1 06/03/2022 08:00 ac EPA 200.7 06/03/2022 18:08 ac <br />Sodium 15 1 mg/L 1 06/03/2022 08:00 ac EPA 200.7 06/03/2022 18:08 ac <br />Total Cations 3.3 ---meq/L 1 06/03/2022 08:00 ac EPA 200.7 06/03/2022 18:08 ac <br />Boron ND 0.1 mg/L 1 U 06/03/2022 08:00 ac EPA 200.7 06/03/2022 18:08 ac <br />Copper ND 10 ug/L 10002 1 U 06/03/2022 08:00 ac EPA 200.7 06/06/2022 11:46 ac <br />Iron ND 30 ug/L 3002 1 U 06/03/2022 08:00 ac EPA 200.7 06/03/2022 18:08 ac <br />Manganese ND 10 ug/L 502 1 J 06/03/2022 08:00 ac EPA 200.7 06/03/2022 18:08 ac <br />Zinc 40 20 ug/L 1 06/03/2022 08:00 ac EPA 200.7 06/06/2022 11:46 ac <br />SAR 0.6 0.1 --1 06/03/2022 08:00 ac EPA 200.7 06/03/2022 18:08 ac <br />Total Alkalinity (as CaCO3)130 10 mg/L 1 06/12/2022 12:31 amm SM 2320 B 06/13/2022 01:29 amm <br />Hydroxide as OH ND 10 mg/L 1 U 06/12/2022 12:31 amm SM 2320 B 06/13/2022 01:29 amm <br />Carbonate as CO3 ND 10 mg/L 1 U 06/12/2022 12:31 amm SM 2320 B 06/13/2022 01:29 amm <br />Bicarbonate as HCO3 160 10 mg/L 1 06/12/2022 12:31 amm SM 2320 B 06/13/2022 01:29 amm <br />Sulfate 18.7 0.5 mg/L 5002 1 06/01/2022 12:21 njb EPA 300.0 06/01/2022 15:10 njb <br />Chloride 9 1 mg/L 5002 1 06/01/2022 12:21 njb EPA 300.0 06/01/2022 15:10 njb <br />Nitrate as NO3 14.2 0.4 mg/L 45 1 06/01/2022 12:21 njb EPA 300.0 06/01/2022 15:10 njb <br />Nitrite as N ND 0.1 mg/L 1 1 U 06/01/2022 12:21 njb EPA 300.0 06/01/2022 15:10 njb <br />Nitrate + Nitrite as N 3.2 0.1 mg/L 10 1 06/01/2022 12:21 njb EPA 300.0 06/01/2022 15:10 njb <br />Fluoride 0.1 0.1 mg/L 2 1 06/01/2022 12:21 njb EPA 300.0 06/01/2022 15:10 njb <br />Total Anions 3.5 ---meq/L 1 06/12/2022 12:31 amm SM 2320 B 06/13/2022 01:29 amm <br />pH 6.68 ---units 1 05/31/2022 12:15 na SM 4500-H+B 05/31/2022 12:15 na <br />Specific Conductance 362 1 umhos/cm 16002 1 06/03/2022 14:39 sta SM 2510 B 06/03/2022 14:39 sta <br />Total Dissolved Solids 330 20 mg/L 10002 1 06/02/2022 13:37 ctl SM 2540 C 06/03/2022 13:45 ctl <br />MBAS (foaming agents)Negative 0.1 mg/L 0.52 1 U 06/01/2022 18:09 jba SM 5540 C 06/01/2022 18:17 jba <br />Aggressiveness Index 10.6 1 --1 05/31/2022 12:15 na SM 4500-H+B 05/31/2022 12:15 na <br />Langelier Index (20°C)-1.2 1 --1 05/31/2022 12:15 na SM 4500-H+B 05/31/2022 12:15 na <br />Nitrate Nitrogen 3.2 0.1 mg/L 10 1 06/01/2022 12:21 njb EPA 300.0 06/01/2022 15:10 njb <br />DQF Flags Definition: <br /> U Constituent results were non-detect. <br /> J Reported value is estimated; detected at a concentration below the PQL and above the laboratory MDL. <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 />Corporate Offices & Laboratory <br />853 Corporation Street <br />Santa Paula, CA 93060 <br />TEL: (805)392-2000 <br />Env FAX: (805)525-4172 / Ag FAX: (805)392-2063 <br />CA ELAP Certification No. 1573 <br />Office & Laboratory <br />2500 Stagecoach Road <br />Stockton, CA 95215 <br />TEL: (209)942-0182 <br />FAX: (209)942-0423 <br />CA ELAP Certification No. 1563 <br />Office & Laboratory <br />563 E. Lindo Avenue <br />Chico, CA 95926 <br />TEL: (530)343-5818 <br />FAX: (530)343-3807 <br />CA ELAP Certification No. 2670 <br />Office & Laboratory <br />9415 W. Goshen Avenue <br />Visalia, CA 93291 <br />TEL: (559)734-9473 <br />FAX: (559)734-8435 <br />CA ELAP Certification No. 2810 <br />Office & Laboratory <br />3442 Empresa Drive, Suite D <br />San Luis Obispo, CA 93401 <br />TEL: (805)783-2940 <br />FAX: (805)783-2912 <br />CA ELAP Certification No. 2775 <br />ENVIRONMENTAL AGRICULTURAL <br />Analytical Chemists