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March 24, 2022 Lab ID : STK2233308-001 <br />Customer ID : 3-17919 <br />San Joaquin Co. Environmental Health Dep <br />Water Quality Division Sampled On : March 8, 2022-12:40 <br />Attn: Michael Kith Sampled By : Frank Giardi <br />1868 East Hazelton Ave. Received On : March 8, 2022-14:00 <br />Stockton, CA 95205 Matrix : Drinking Water <br />Description : Wellhead <br />Project : 20547 Walnut Rd.,Linden <br />Sample Result - Inorganic <br />Constituent <br />Result <br />PQL <br />Units <br />MCIJAL <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 />125 <br />2.5 <br />mg/L <br />200.7 03/10/22:202672 <br />200.7 03/10/22:203558 <br />Calcium <br />32 <br />1 <br />mg/L <br />200.7 03/10/22:202672 <br />200.7 03/10/22:203558 <br />Magnesium <br />11 <br />1 <br />mg/L <br />200.7 03/10/22:202672 <br />200.7 03/10/22:203558 <br />Potassium <br />4 <br />1 <br />mg/L <br />200.7 03/10/22:202672 <br />200.7 03/10/22:203558 <br />odium <br />1 1 <br />1 <br />mg/L <br />200.7 03/10/22:202672 <br />200.7 03/10/22:203558 <br />Total Cations <br />3.1 <br />--- <br />meq/L <br />200.7 03/10/22:202672 <br />200.7 03/10/22:203558 <br />Boron <br />ND <br />0.1 <br />mg/L <br />200.7 03/10/22:202672 <br />200.7 03/10/22:203558 <br />Copper <br />ND <br />10 <br />ug/L <br />10002 <br />200.7 03/10/22:202672 <br />200.7 03/10/22:203558 <br />on <br />ND <br />30 <br />ug/L <br />3002 <br />200.7 03/10/22:202672 <br />200.7 03/10/22:203558 <br />Manganese <br />ND <br />10 <br />ug/L <br />502 <br />200.7 03/10/22:202672 <br />200.7 03/10/22:203558 <br />Zinc <br />30 <br />20 <br />ug/L <br />200.7 03/10/22:202672 <br />200.7 03/10/22:203563 <br />AR <br />0.4 <br />0.1 <br />-- <br />200.7 03/10/22:202672 <br />200.7 03/10/22:203558 <br />Total Alkalinity (as CaCO3) <br />120 <br />t0 <br />mg/L <br />2320B 03/16/22:202918 <br />2320B 03/17/22:203983 <br />ydroxide as OH <br />ND <br />t0 <br />mg/L <br />2320B 03/16/22:202918 <br />2320B 03/17/22:203983 <br />Carbonate as CO3 <br />ND <br />t0 <br />mg/L <br />2320B 03/16/22:202918 <br />2320B 03/17/22:203983 <br />Bicarbonate as HCO3 <br />150 <br />t0 <br />mg/L <br />2320B 03/16/22:202918 <br />2320B 03/17/22:203983 <br />Sulfate <br />9.6 <br />0.5 <br />mg/L <br />5002 <br />300.0 03/09/22:202632 <br />300.0 03/09/22:203516 <br />Chloride <br />6 <br />1 <br />mg/L <br />5002 <br />300.0 03/09/22:202632 <br />300.0 03/09/22:203516 <br />Nitrate as NO3 <br />12.3 <br />0.4 <br />mg/L <br />45 <br />300.0 03/09/22:202632 <br />300.0 03/09/22:203516 <br />Nitrite as N <br />ND <br />0.2 <br />mg/L <br />1 <br />300.0 03/09/22:202632 <br />300.0 03/09/22:203516 <br />Nitrate + Nitrite as N <br />2.8 <br />0.1 <br />mg/L <br />10 <br />300.0 03/09/22:202632 <br />300.0 03/09/22:203516 <br />Fluoride <br />ND <br />0.1 <br />mg/11, <br />2 <br />300.0 03/09/22:202632 <br />300.0 03/09/22:203516 <br />Total Anions <br />3.0 <br />--- <br />meq/L <br />2320B 03/16/22:202918 <br />2320B 03/17/22:203983 <br />H (Field) <br />6.96 <br />--- <br />units <br />4500-H B 03/08/22:202802 <br />4500HB 03/08/22:203672 <br />Specific Conductance <br />300 <br />1 <br />umhos/cm <br />16002 <br />2510B 03/15/22:202845 <br />2510B 03/15/22:203732 <br />Total Dissolved Solids <br />200 <br />20 <br />mg/L <br />10002 <br />2540CE 03/10/22:202700 <br />2540C 03/11/22:203578 <br />MBAS Extraction <br />ND <br />0.1 <br />mg/L <br />0.52 <br />5540C 03/09/22:202818 <br />5540C 03/09/22:203688 <br />Aggressiveness Index <br />10.9 <br />1 <br />-- <br />4500-H B 03/08/22:202802 <br />4500HB 03/08/22:203672 <br />angelier Index (20°C) <br />-0.9 <br />1 <br />-- <br />4500-14 B 03/08/22:202802 <br />4500HB 03/08/22:203672 <br />[Nitrate Nitrogen 1 <br />2.8 <br />0.1 <br />m <br />10 <br />300.0 03/09/22:202632 <br />300.0 03/09/22:203516 <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 />