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August 4, 2021 Lab ID : STK2139748-001 <br />Customer ID : 3-17919 <br />San Joaquin Co. Environmental Health Dep <br />Water Quality Division <br />Attn: Michael Kith <br />1868 East Hazelton Ave. <br />Stockton, CA 95205 <br />Description : Wellhead <br />Project : 13550 Hwy 12, Lodi <br />Sampled On : July 12, 2021-13:30 <br />Sampled By : Naseem Ahmed <br />Received On :July 12,2021-15:10 <br />Matrix : Drinking Water <br />Sample Result - Inorganic <br />Constituent <br />Result <br />PQL <br />Units <br />MCL/AL <br />Sample Preparation <br />Method Date/ID <br />Sample Analysis <br />Method Date/ID <br />General Mineral <br />Env FAX: (805)525-4172 / Ag FAX: (805)392-2063 FAX: (209)942-0423 <br />CA ELAP Certification No. 1573 <br />CA ELAP Certification No. 1563 <br />Total Hardness as CaCO3 <br />77.0 <br />2.5 <br />mg/L <br />200.7 07/16/21:208045 <br />200.7 07/16/21:210902 <br />Calcium <br />16 <br />1 <br />mg/L <br />200.7 07/16/21:208045 <br />200.7 07/16/21:210902 <br />Magnesium <br />9 <br />1 <br />mg/L <br />200.7 07/16/21:208045 <br />200.7 07/16/21:210902 <br />otassium <br />ND <br />1 <br />mg& <br />200.7 07/16/21:208045 <br />200.7 07/16/21:210902 <br />Sodium <br />108 <br />1 <br />mg/L <br />200.7 07/16/21:208045 <br />200.7 07/16/21:210902 <br />Total Cations <br />6.2 <br />--- <br />meq/L <br />200.7 07/16/21:208045 <br />200.7 07/16/21:210902 <br />Boron <br />0.2 <br />0.1 <br />mg/L <br />200.7 07/16/21:208045 <br />200.7 07/16/21:210902 <br />Copper <br />ND <br />10 <br />ug/L <br />10002 <br />200.7 07/16/21:208045 <br />200.7 07/16/21:210902 <br />On <br />1420 <br />30 <br />ug/L <br />3002 <br />200.7 07/16/21:208045 <br />200.7 07/16/21:210902 <br />Manganese <br />710 <br />10 <br />ug/L <br />502 <br />200.7 07/16/21:208045 <br />200.7 07/16/21:210902 <br />inc <br />40 <br />20 <br />ug/L <br />200.7 07/16/21:208045 <br />200.7 07/16/21:210902 <br />AR <br />5.4 <br />0.1 <br />-- <br />200.7 07/16/21:208045 <br />200.7 07/16/21:210902 <br />Total Alkalinity (as CaCO3) <br />300 <br />10 <br />mg/L <br />2320E 07/20/21:208182 <br />2320E 07/21/21:211137 <br />ydroxide as OH <br />ND <br />10 <br />mg/L <br />2320E 07120/21:208182 <br />2320E 07/21/21:211137 <br />Carbonate as CO3 <br />ND <br />10 <br />mg/L <br />2320E 07/20/21:208182 <br />2320E 07/21/21:211137 <br />Bicarbonate as HCO3 <br />360 <br />10 <br />mg/L <br />2320B 07/20/21:208182 <br />2320E 07/21/21:211137 <br />Sulfate <br />0.5 <br />0.5 <br />mg/L <br />5002 <br />300.0 07/13/21:207856 <br />300.0 07/13/21:210681 <br />Chloride <br />16 <br />1 <br />mg/L <br />5002 <br />300.0 07/13/21:207856 <br />300.0 07/13/21:210681 <br />itrate as NO3 <br />ND <br />0.4 <br />mg/L <br />45 <br />300.0 07/13/21:207856 <br />300.0 07/13/21:210681 <br />Nitrite as N <br />ND <br />0.2 <br />mg/L <br />1 <br />300.0 07/13/21:207856 <br />300.0 07/13/21:210681 <br />Nitrate + Nitrite as N <br />ND <br />0.1 <br />mg/L <br />10 <br />300.0 07/13/21:207856 <br />300.0 07/13/21:210681 <br />Fluoride <br />ND <br />0.1 <br />mg/L <br />2 <br />300.0 07/13/21:207856 <br />300.0 07/13/21:210681 <br />Total Anions <br />6.4 <br />--- <br />meq/L <br />2320E 07/20/21:208182 <br />2320E 07/21/21:211137 <br />H (Field) <br />7.45 <br />--- <br />units <br />4500-H B 07/12/21:208211 <br />4500HB 07/12/21:211091 <br />Specific Conductance <br />613 <br />1 <br />umhos/cm <br />16002 <br />2510E 07/28/21:208530 <br />25108 07/28/21:211520 <br />Total Dissolved Solids <br />430 <br />20 <br />mg/L <br />10002 <br />2540CE 07/15/21:207963 <br />25400 07/16/21:210802 <br />AS Extraction <br />ND <br />0.1 <br />mg/L <br />0.52 <br />55400 07/14/21:208149 <br />5540C 07/14/21:210981 <br />Aggressiveness Index <br />11.5 <br />1 <br />-- <br />4500-H B 07/12/21:208211 <br />4500HB 07/12/21:211091 <br />ngelier Index (20°C) <br />-0.3 <br />1 <br />-- <br />4500-H B 07/12/21:208211 <br />4500HB 07/12/21:211091 <br />urate Nitrogen <br />ND <br />0.1 <br />mg/L <br />10 <br />300.0 07/13/21:207856 1 <br />300.0 07/13/21:210681 <br />ND=Non-Detected. PQL--Practical Quantitation Limit. * PQL adjusted for dilution. <br />MCL = Maximum Contamination Level. 2 - Secondary Standard. 3 - CDPH Notification Level. AL = Regulatory Action Level. <br />Corporate Offices & Laboratory Office & Laboratory Office & Laboratory <br />563 E. Lindo Avenue 3442 Empresa Drive, Suite D <br />Chico, CA 95926 San Luis Obispo, CA 93401 <br />TEL: (530)343-5818 TEL: (805)783-2940 <br />FAX: (530)343-3807 FAX: (805)783-2912 <br />CA ELAP Certification No. 2670 CA ELAP Certification No. 2775 <br />Office & Laboratory <br />853 Corporation Street <br />2500 Stagecoach Road <br />Santa Paula, CA 93060 <br />Stockton, CA 95215 <br />TEL: (805)392-2000 <br />TEL: (209)942-0182 <br />Env FAX: (805)525-4172 / Ag FAX: (805)392-2063 FAX: (209)942-0423 <br />CA ELAP Certification No. 1573 <br />CA ELAP Certification No. 1563 <br />Page 3 of 9 <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 />