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March 15, 2021 Lab ID : STK2132323-001 <br />Customer ID :3-17919 <br />San Joaquin Co. Environmental Health Dep <br />Water Quality Division <br />Sampled On <br />Attn: Michael Kith <br />Sampled By <br />1868 East Hazelton Ave. <br />Received On <br />Stockton, CA 95205 <br />Matrix <br />Description : Wellhead <br />9415 W. Goshen Avenue <br />Project : 16475 Tide Rd <br />Stockton, CA 95215 <br />Chico, CA 95926 <br />Sample Result - Inorganic <br />February 16, 2021-10:00 <br />Francisco Garcia Rui <br />February 16, 2021-13:50 <br />Drinking Water <br />Constituent <br />Result <br />PQL <br />Units <br />MCL/AL <br />Sample Preparation <br />Method Date/ID I <br />Sample Analysis <br />Method Date/ID <br />General Mineral <br />3442 Empresa Drive, Suite D <br />9415 W. Goshen Avenue <br />Santa Paula, CA 93060 <br />Stockton, CA 95215 <br />Chico, CA 95926 <br />San Luis Obispo, CA 93401 <br />Total Hardness as CaCO3 <br />90.3 <br />2.5 <br />mg/L <br />TEL: (805)783-2940 <br />200.7 02/17/21:201740 <br />200.7 02/17/21:202388 <br />Calcium <br />23 <br />1 <br />mg/L <br />CA ELAP Certification No. 1563 <br />200.7 02/17/21:201740 <br />200.7 02117/21:202388 <br />Magnesium <br />8 <br />1 <br />mg/L <br />200.7 02/17/21:201740 <br />200.7 02117/21:202388 <br />Potassium <br />6 <br />1 <br />mg/L <br />200.7 02/17/21:201740 <br />200.7 02/17/21:202388 <br />Sodium <br />27 <br />1 <br />mg/L <br />200.7 02/17/21:201740 <br />200.7 02/17/21:202388 <br />Total Cations <br />3.1 <br />--- <br />meq/L <br />200.7 02/17/21:201740 <br />200.7 02/17/21:202388 <br />Boron <br />0.2 <br />0.1 <br />mg/1L200.7 <br />02/17/21:201740 <br />200.7 02/17/21:202388 <br />Copper <br />ND <br />10 <br />ug/L <br />10002 <br />200.7 02117/21:201740 <br />2003 02/17/21:202388 <br />Iron <br />220 <br />30 <br />ug/L <br />3002 <br />200.7 02/17/21:201740 <br />200.7 02/17/21:202388 <br />Manganese <br />20 <br />10 <br />ug/L <br />502 <br />200.7 02/17/21:201740 <br />200.7 02/17/21:202388 <br />Inc <br />30 <br />20 <br />ug/L <br />200.7 02/17/21:201740 <br />200.7 02/17/21:202388 <br />SAR <br />1.2 <br />0.1 <br />__ <br />200.7 02/17/21:201740 <br />200.7 02/17/21:202388 <br />Total Alkalinity (as <br />80 <br />10 <br />mg/L <br />2320B 02/22/21:201911 <br />2320B 02/23/21:202621 <br />aCO3) <br />Hydroxide as OH <br />ND <br />10 <br />mg/L <br />2320B 02/22/21:201911 <br />2320B 02/23/21:202621 <br />Carbonate as CO3 <br />ND <br />10 <br />mg/L <br />2320E 02/22/21:201911 <br />23206 02/23/21:202621 <br />Bicarbonate as HCO3 <br />100 <br />10 <br />mg/L <br />23208 02/22/21:201911 <br />2320B 02/23/21:202621 <br />Sulfate <br />21.4 <br />0.5 <br />mg/L <br />5002 <br />300.0 02/17/21:201764 <br />300.0 02/17/21:202460 <br />Chloride <br />16 <br />1 <br />mg/L <br />5002 <br />300.0 02/17/21:201764 <br />300.0 02/17/21:202460 <br />Nitrate as NO3 <br />10.7 <br />0.4 <br />mg/L <br />45 <br />300.0 02/17/21:201764 <br />300.0 02/17/21:202460 <br />Nitrite as N <br />ND <br />0.2 <br />mg/L <br />1 <br />300.0 02/17/21:201764 <br />300.0 02/17/21:202460 <br />Nitrate + Nitrite as N <br />2.4 <br />0.1 <br />mg/L <br />10 <br />300.0 02/17/21:201764 <br />300.0 02/17/21:202460 <br />Fluoride <br />0.2 <br />(). I <br />mg/L <br />2 <br />300.0 02/17/21:201764 <br />300.0 02/17/21:202460 <br />Total Anions <br />2.7 <br />--- <br />meq/L <br />2320B 02122/21:201911 <br />2320E 02/23/21:202621 <br />H (Field) <br />8.6 <br />units <br />4500-H B 02/16/21:202008 <br />4500HB 02/16/21:202709 <br />Specific Conductance <br />289 <br />1 <br />umhos/cm <br />16002 <br />2510B 02/23/21:201947 <br />2510B 02/23/21:202625 <br />Total Dissolved Solids <br />250 <br />20 <br />mg/L <br />10002 <br />2540CE 02/18/21:201797 <br />25400 02/19/21:202476 <br />AS Extraction <br />ND <br />0.1 <br />mg/L <br />0.52 <br />55400 02/18/21:202042 <br />55400 02/18/21:202772 <br />ggressiveness Index <br />12.3 <br />1 <br />-- <br />4500-H B 02/16/21:202008 <br />4500HB 02/16/21:202709 <br />angelier Index (20°C) <br />0.4 <br />1 <br />-- <br />4500-H B 02/16/21:202008 <br />4500HB 02/16/21:202709 <br />!trate Nitrogen <br />2.4 <br />0.1 <br />mg/L <br />10 <br />300.0 02/17/21:201764 <br />300.0 02/17/21:202460 <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 />Office & Laboratory <br />Office & Laboratory <br />853 Corporation Street <br />2500 Stagecoach Road <br />563 E. Lindo Avenue <br />3442 Empresa Drive, Suite D <br />9415 W. Goshen Avenue <br />Santa Paula, CA 93060 <br />Stockton, CA 95215 <br />Chico, CA 95926 <br />San Luis Obispo, CA 93401 <br />Visalia, CA 93291 <br />TEL: (805)392-2000 <br />TEL: (209)942-0182 <br />TEL: (530)343-5818 <br />TEL: (805)783-2940 <br />TEL: (559)734-9473 <br />Env FAX: (805)525-4172 / Ag FAX: (805)392-2063 FAX: (209)942-0423 <br />FAX: (530)343-3807 <br />FAX: (805)783-2912 <br />FAX: (559)734-8435 <br />CA ELAP Certification No. 1573 <br />CA ELAP Certification No. 1563 <br />CA ELAP Certification No. 2670 <br />CA ELAP Certification No. 2775 <br />CA ELAP Certification No. 2810 <br />