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May 5, 2021 Lab ID : STK2135169-001 <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 : 17101 Brandt Rd.,Lod1 <br />Sampled On : April 15, 2021-11:15 <br />Sampled By : Francisco Garcia Rui <br />Received On : April 15, 2021-14:15 <br />Matrix : Drinking Water <br />Sample Result - Inorganic <br />Constituent <br />Result <br />PQL <br />Units <br />MCUAL <br />Sample Preparation <br />Method Date/TD <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 />otal Hardness as CaCO3 <br />40.5 <br />2.5 <br />mg/L <br />TEL: (805)783-2940 <br />200.7 04/16/21:204151 <br />200.7 04/19/21:205711 <br />alcium <br />8 <br />1 <br />mg/L <br />CA ELAP Certification No. 1563 CA ELAP Certification No. 2670 <br />200.7 04/16/21:204151 <br />200.7 04/19/21:205711 <br />Magnesium <br />5 <br />1 <br />mg/L <br />200.7 04/16/21:204151 <br />200.7 04/19/21:205711 <br />Potassium <br />4 <br />1 <br />mg/L <br />200.7 04/16/21:204151 <br />200.7 04/19/21:205711 <br />Sodium <br />11 <br />1 <br />mg/L <br />200.7 04/16/21:204151 <br />200.7 04/19/21:205711 <br />Total Cations <br />1.4 <br />--- <br />meq/L <br />200.7 04/16/21:204151 <br />200.7 04/19/21:205711 <br />oron <br />ND <br />0.1 <br />mg/1L <br />200.7 04/16/21:204151 <br />200.7 04/19/21:205711 <br />Copper <br />ND <br />10 <br />ug/L <br />10002 <br />200.7 04/16/21:204151 <br />200.7 04/19/21:205711 <br />Iron <br />ND <br />30 <br />ug/L <br />3002 <br />200.7 04/16/21:204151 <br />200.7 04/19/21:205711 <br />Manganese <br />ND <br />10 <br />ug/L <br />502 <br />200.7 04/16/21:204151 <br />200.7 04/19/21:205711 <br />Zinc <br />30 <br />20 <br />ug/L <br />200.7 04/16/21:204151 <br />200.7 04/19/21:205711 <br />AR <br />0.8 <br />0.1 <br />-- <br />200.7 04/16/21:204151 <br />200.7 04/19/21:205711 <br />Total Alkalinity (as <br />CaCO3) <br />60 <br />10 <br />mg/L <br />2320B 04/25/21:204475 <br />2320B 04/26/21:206086 <br />Hydroxide as OH <br />ND <br />10 <br />mg/L <br />2320B 04/25/21:204475 <br />2320B 04/26/21:206086 <br />Carbonate as CO3 <br />ND <br />10 <br />mg/L <br />2320B 04/25/21:204475 <br />2320B 04/26/21:206086 <br />Bicarbonate as HCO3 <br />70 <br />10 <br />mg/L <br />2320B 04/25/21:204475 <br />2320B 04/26/21:206086 <br />Sulfate <br />1.2 <br />0.5 <br />mg/L <br />5002 <br />300.0 04/16/21:204142 <br />300.0 04/16/21:205665 <br />Chloride <br />7 <br />1 <br />mg/L <br />5002 <br />300.0 04/16/21:204142 <br />300.0 04/16/21:205665 <br />Nitrate as NO3 <br />4.4 <br />0.4 <br />mg/L. <br />45 <br />300.0 04/16/21:204142 <br />300.0 04/16/21:205665 <br />Nitrite as N <br />ND <br />0.2 <br />mg/L <br />1 <br />300.0 04/16/21:204142 <br />300.0 04/16/21:205665 <br />Nitrate + Nitrite as N <br />1 <br />0.1 <br />mg/L <br />10 <br />300.0 04/16/21:204142 <br />300.0 04/16/21:205665 <br />Fluoride <br />0.2 <br />0.1 <br />mg/L. <br />2 <br />300.0 04/16/21:204142 <br />300.0 04/16/21:205665 <br />Total Anions <br />1.5 <br />--- <br />meq/L. <br />2320B 04/25/21:204475 <br />2320B 04/26/21:206086 <br />H (Field) <br />7.7 <br />-- <br />units <br />4500-H B 04/15/21:204291 <br />04/15/21:205789 <br />Specific Conductance <br />160 <br />1 <br />umhos/cm <br />16002 <br />2510B 04/26/21:204492 <br />2510B 04/26/21:206024 <br />Total Dissolved Solids <br />130 <br />20 <br />mg/L <br />10002 <br />2540CE 04/19/21:204194 <br />25400 04/20/21:205728 <br />MBAS Extraction <br />ND <br />0.1 <br />mg/L <br />0.52 <br />55400 04/16/21:204476 <br />55400 04/16/21:206003 <br />Aggressiveness Index <br />10.8 <br />1 <br />-- <br />4500-H B 04/15/21:204291 <br />04/15/21:205789 <br />angelier Index (20°C) <br />-1.0 <br />1 <br />-- <br />4500-H B 04/15/21:204291 <br />04/15/21:205789 <br />Nitrate Nitrogen <br />1 <br />0.1 <br />mg/L 1 <br />10 1 <br />300.0 04/16/21:204142 <br />300.0 04/16/21:205665 <br />ND=Non-Detected. PQL--Practical <br />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 CA ELAP Certification No. 2670 <br />CA ELAP Certification No. 2775 <br />CA ELAP Certification No. 2810 <br />