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March 16, 2022 Lab ID : STK2232244-001 <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 />Customer ID :3-17919 <br />Sampled On : February 14, 2022-11:32 <br />Sampled By : Frank Girardi <br />Received On : February 14, 2022-12:23 <br />Matrix : Drinking Water <br />Description : Wellhead <br />Project : 11136 Fairchild Rd., Linden, CA 95236 <br />Sample Result - Inorganic <br />Constituent <br />RC,u1tP(�l. <br />Office & Laboratory <br />563 E. Lindo Avenue <br />Units <br />MCL/AL <br />Sample Preparation <br />Method Date/ID <br />Sample Analysis <br />Method Date/ID <br />General Mineral <br />San Luis Obispo. CA 93401 <br />Visalia, CA 93291 <br />a, <br />TEL: (805)392-2000 <br />TEL: (209)942-0182 <br />TEL: (530)343-5818 <br />TEL: (805)783-2940 <br />FAX: (805)783-2912 <br />Total Hardness as CaCO3 <br />79.4 <br />2.J <br />ing/L <br />CA ELAP Certification No. 2810 <br />200.7 02/16/22:201821 <br />200.7 02/16/22:202432 <br />Calcium <br />17 <br />I <br />mg/L <br />200.7 02/16/22:201821 <br />200.7 02/16/22:202432 <br />Magnesium <br />9 <br />1 <br />mg/L <br />200.7 02/16/22:201821 <br />200.7 02/16/22:202432 <br />otassium <br />4 <br />1 <br />mg/L <br />200.7 02/16/22:201821 <br />200.7 02/16/22:202432 <br />Sodium <br />II <br />I <br />mg/L <br />200.7 02/16/22:201821 <br />200.7 02/16/22:202432 <br />Total Cations <br />2.2 <br />--- <br />meq/L <br />200.7 02/16/22:201821 <br />200.7 02/16/22:202432 <br />Boron <br />ND <br />0.1 <br />mg/L <br />200.7 02/16/22:201821 <br />200.7 02/16/22:202432 <br />Copper <br />ND <br />10 <br />ug/L <br />10002 <br />200.7 02/16/22:201821 <br />200.7 02/16/22:202432 <br />Iron <br />ND <br />30 <br />ug/L <br />3002 <br />200.7 02/16/22:201821 <br />200.7 02/16/22:202432 <br />Manganese <br />ND <br />10 <br />ug/L <br />502 <br />200.7 02/16/22:201821 <br />200.7 02/16/22:202432 <br />50 <br />20 <br />ug/L <br />200.7 02/16/22:201821 <br />200.7 02/16/22:202432 <br />Inc <br />SAR <br />0.5 <br />0.1 <br />__ <br />200.7 02/16/22:201821 <br />200.7 02/16/22:202432 <br />Total Alkalinity (as CaCO3) <br />100 <br />10 <br />mg/L <br />23208 02/21/22:202017 <br />2320B 02/22/22:202721 <br />Hydroxide as OH <br />ND <br />10 <br />mg/L. <br />2320B 02/21/22:202017 <br />23208 02/22/22:202721 <br />Carbonate as CO3 <br />ND <br />10 <br />mg/L <br />23208 02/21/22:202017 <br />23208 02/22n2:202721 <br />!carbonate as HCO3 <br />120 <br />10 <br />mg/L <br />2320B 02/21/22:202017 <br />2320E 02/22/22:202721 <br />Sulfate <br />3.4 <br />0.5 <br />mg/L <br />5002 <br />300.0 02/15/22:201760 <br />300.0 02115/22:202368 <br />Chloride <br />3 <br />1 <br />mg/L <br />5002 <br />300.0 02/15/22:201760 <br />300.0 02/15/22:202368 <br />itrate as NO3 <br />4.2 <br />0.4 <br />mg/L <br />45 <br />300.0 02/15/22:201760 <br />300.0 02115/22:202368 <br />Nitrite as N <br />ND <br />0.2 <br />mg/L <br />1 <br />300.0 02/15/22:201760 <br />300.0 02/15/22:202368 <br />Nitrate + Nitrite as N <br />1 <br />0.1 <br />mg/L <br />10 <br />300.0 02/15/22:201760 <br />300.0 02/15/22:202368 <br />Fluoride <br />ND <br />0.1 <br />mg/L <br />2 <br />300.0 02/15/22:201760 <br />300.0 02/15/22:202368 <br />Total Anions <br />2.2 <br />--- <br />meq/L <br />2320E 02/21/22:202017 <br />2320E 02/22/22:202721 <br />H <br />8.18 <br />--- <br />units <br />4500-H B 02/18/22:201927 <br />4500HB 02118/22:202528 <br />Specific Conductance <br />224 <br />1 <br />umhos/cm <br />11700- <br />2510B 02/18/22:201891 <br />2510E 02/18/22:202476 <br />Total Dissolved Solids <br />200 <br />20 <br />mg/L <br />10002 <br />2540CE 02/16/22:201804 <br />2540C 02/17/22:202436 <br />AS Extraction <br />ND <br />0. I <br />mg/L <br />0.52 <br />55400 02/16/22:201970 <br />55400 02/16/22:202595 <br />Aggressiveness Index <br />11.8 <br />I <br />4500-H B 02/18/22:201927 <br />4500HB 02/18/22:202528 <br />angelier Index (20°C) <br />-0.01 <br />I <br />4500-11 B 02/18/22:201927 <br />4500HB 02/18/22:202528 <br />itrate Nitrogen <br />1 <br />0.1 <br />meA <br />10 <br />1 300.0 02115/22:201760 <br />300.0 02/15/22:202368 <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 />Page 3 of 9 <br />Corporate Offices &Laboratory <br />Office &Laboratory <br />Office & Laboratory <br />563 E. Lindo Avenue <br />Office & Laboratory <br />3442 Empresa Drive. Suite D <br />Office & Laboratory <br />9415 Goshen Avenue <br />853 Corporation Street <br />Santa Paula. CA 93060 <br />2500 Stagecoach Road <br />Stockton, CA 95215 <br />Chico, CA 95926 <br />San Luis Obispo. CA 93401 <br />Visalia, CA 93291 <br />a, <br />TEL: (805)392-2000 <br />TEL: (209)942-0182 <br />TEL: (530)343-5818 <br />TEL: (805)783-2940 <br />FAX: (805)783-2912 <br />TEL: (559)734-9473 <br />FAX: (559)734-8435 <br />Env FAX: (805)525-4172 /Ag FAX: (805)392-2063 FAX: (209)942-0423 <br />CA ELAP Certification No. 1573 CA ELAP Certification No. 1563 <br />FAX: (530)343-3807 <br />CA ELAP Certification No. 2670 <br />CA ELAP Certification No. 2775 <br />CA ELAP Certification No. 2810 <br />