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October 6, 2021 Lab ID : STK2153047-001 <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 : 10897 Collier Rd.,Acampo <br />Customer ID : 3-17919 <br />Sampled On : September 13, 2021-09:50 <br />Sampled By : Naseem Ahmed <br />Received On : September 13, 2021-11:21 <br />Matrix : Drinking Water <br />Sample Result - Inorganic <br />Constituent <br />Itcsult <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 />X2.1 <br />2.5 <br />mg/L <br />200.7 09/15/21:210701 <br />200.7 09/15/21:214426 <br />Calcium <br />11 <br />1 <br />mg/L <br />200.7 09/15/21:210701 <br />200.7 09/15/21:214426 <br />Magnesium <br />6 <br />1 <br />mg/L <br />200.7 09/15/21:210701 <br />200.7 09/15/21:214426 <br />Potassium <br />2 <br />1 <br />mg/L <br />200.7 09/15/21:210701 <br />200.7 09/15/21:214426 <br />Sodium <br />17 <br />1 <br />mg/L <br />200.7 09/15/21:210701 <br />200.7 09/15/21.214426 <br />Total Cations <br />1.8 <br />--- <br />meq/L <br />200.7 09/15/21:210701 <br />200.7 09/15/21:214426 <br />Boron <br />ND <br />0.1 <br />mg/L <br />200.7 09/15/21:210701 <br />200.7 09/15/21:214426 <br />Copper <br />30 <br />10 <br />ug/L <br />10002 <br />200.7 09/15/21:210701 <br />200.7 09/15/21:214426 <br />Iron <br />ND <br />30 <br />ug/L <br />3002 <br />200.7 09/15/21:210701 <br />200.7 09/15/21:214426 <br />Manganese <br />ND <br />10 <br />ug/L <br />502 <br />200.7 09/15/21:210701 <br />200.7 09/15/21:214426 <br />Inc <br />ND <br />20 <br />ug/L <br />200.7 09/15/21:210701 <br />200.7 09/15/21:214426 <br />SAR <br />1.0 <br />0.1 <br />-- <br />200.7 09/15/21:210701 <br />200.7 09/15/21:214426 <br />Total Alkalinity (as CaCO3) <br />60 <br />10 <br />mg/L <br />2320B 0922/21:210992 <br />2320B 09/22/21:214855 <br />Hydroxide as OH <br />ND <br />10 <br />mg/L <br />2320B 092221:210992 <br />2320E 092221:214855 <br />Carbonate as CO3 <br />ND <br />10 <br />mg/L <br />2320B 092221:210992 <br />23208 092221:214855 <br />Bicarbonate as HCO3 <br />70 <br />10 <br />mg/L <br />2320E 09/22/21:210992 <br />2320E 092221:214855 <br />Sulfate <br />1.9 <br />0.5 <br />mg/L <br />5002 <br />300.0 09/1421:210654 <br />300.0 09/1421:214569 <br />Chloride <br />11 <br />1 <br />mg/L <br />5002 <br />300.0 09/1421:210654 <br />300.0 09/1421:214569 <br />Nitrate as NO3 <br />14.5 <br />0.4 <br />mg/L <br />45 <br />300.0 09/1421:210654 <br />300.0 09/14/21:214569 <br />itrite as N <br />ND <br />0.2 <br />mg/L <br />1 <br />300.0 09/1421:210654 <br />300.0 09/1421:214569 <br />Nitrate + Nitrite as N <br />3.3 <br />0.1 <br />mg/L <br />10 <br />300.0 09/1421:210654 <br />300.0 09/1421:214569 <br />Fluoride <br />0.2 <br />0.1 <br />mg/L <br />2 <br />300.0 09/1421:210654 <br />300.0 09/1421:214569 <br />Total Anions <br />1.7 <br />--- <br />meq/L <br />2320E 09/22/21:210992 <br />2320E 092221:214855 <br />H (Field) <br />7.75 <br />--- <br />units <br />4500-H B 09/1321:210869 <br />4500HB 09/1321:214605 <br />Specific Conductance <br />200 <br />1 <br />umhos/cm <br />16002 <br />2510E 0928/21:211201 <br />2510B 0928/21:215063 <br />Total Dissolved Solids <br />180 <br />20 <br />mg/L <br />10002 <br />2540CE 09/1521:210682 <br />2540C 09/1621:214451 <br />MBAS Extraction <br />ND <br />0.1 <br />mg/L <br />0.52 <br />5540C 09/1421:210884 <br />5540C 09/1421:212252 <br />Aggressiveness Index <br />11.0 <br />1 <br />-- <br />4500-H B 09/1321:210869 <br />4500HB 09/13/21:214605 <br />Langelier Index (20°C) <br />-0.8 <br />1 <br />-- <br />4500-H B 09/1321:210869 <br />4500HB 09/13/21:214605 <br />itrate Nitrogen <br />1 3.3 <br />1 0.1 <br />1 mg/L <br />1 10 <br />1 300.0 09/1421:210654 <br />300.0 09/14/21:214569 <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. Linda 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 />