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January 28, 2019 Lab ID : STK1930714-001 <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 : 24803 Clough Rd. Escalon <br />Customer ID : 3-17919 <br />Sampled On : January 14,2019-11:15 <br />Sampled By : Paul Nso <br />Received On : January 14, 2019-11:50 <br />Matrix : Drinking Water <br />Sample Result - Inorganic <br />Constituent <br />Result <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 />Total Hardness as CaCO3 <br />180 <br />-- <br />mg/L <br />200.7 01/16/19:200565 <br />200.7 01/16/19:200755 <br />Calcium <br />41 <br />1 <br />mg/L <br />200.7 01/16/19:200565 <br />200.7 01/16/19:200755 <br />Magnesium <br />19 <br />1 <br />mg/L <br />200.7 01/16/19:200565 <br />200.7 01/16/19:200755 <br />Potassium <br />4 <br />1 <br />mg/L <br />200.7 01/16/19:200565 <br />200.7 01/16/19:200755 <br />Sodium <br />23 <br />1 <br />mg/L <br />200.7 01/16/19:200565 <br />200.7 01/16/19:200755 <br />Total Cations <br />4.7 <br />-- <br />meq/L <br />200.7 01/16/19:200565 <br />200.7 01/16/19:200755 <br />Boron <br />ND <br />0.1 <br />mg/L <br />200.7 01/16/19:200565 <br />200.7 01/16/19:200755 <br />Copper <br />ND <br />10 <br />ug/L <br />10002 <br />200.7 01/16/19:200565 <br />200.7 01/16/19:200755 <br />Ori <br />ND <br />30 <br />ug/L <br />3002 <br />200.7 01/16/19:200565 <br />200.7 01/16/19:200755 <br />anganese <br />ND <br />10 <br />ug/L. <br />502 <br />200.7 01/16/19:200565 <br />200.7 01/16/19:200755 <br />Zinc <br />ND <br />20 <br />ug/L <br />200.7 01/16/19:200565 <br />200.7 01/16/19:200755 <br />SAR <br />0.7 <br />-- <br />-- <br />200.7 01/16/19:200565 <br />200.7 01/16/19:200755 <br />Total Alkalinity (as <br />140 <br />10 <br />mg/L. <br />2320B 01/16/19:200558 <br />2320B 01/16/19:200782 <br />aCO3) <br />ydroxide as OH <br />ND <br />10 <br />mg/L <br />2320B 01/16/19:200558 <br />2320B 01/16/19:200782 <br />Carbonate as CO3 <br />ND <br />10 <br />mg/L <br />2320B 01/16/19:200558 <br />2320B 01/16/19:200782 <br />Bicarbonate as HCO3 <br />170 <br />10 <br />mg/L <br />2320B 01/16/19:200558 <br />2320B 01/16/19:200782 <br />Sulfate <br />31.8 <br />0.5 <br />mg/L <br />5002 <br />300.0 01/15/19:200761 <br />300.0 01/15/19:201007 <br />Chloride <br />7 <br />1 <br />mg/L <br />5002 <br />300.0 01/15/19:200761 <br />300.0 01/15/19:201007 <br />itrate as NO3 <br />65.5 <br />0.4 <br />mg/L <br />45 <br />300.0 01/15/19:200761 <br />300.0 01/15/19:201007 <br />Nitrite as N <br />ND <br />0.2 <br />mg/L <br />1 <br />300.0 01/15/19:200761 <br />300.0 01/15/19:201007 <br />Nitrate + Nitrite as N <br />14.8 <br />0.1 <br />mg/L. <br />10 <br />300.0 01/15/19:200761 <br />300.0 01/15/19:201007 <br />Fluoride <br />0.1 <br />0.1 <br />mg/L <br />2 <br />300.0 01/15/19:200761 <br />300.0 01/15/19:201007 <br />Total Anions <br />4.7 <br />-- <br />meq/L <br />2320B 01/16/19:200558 <br />2320B 01/16/19:200782 <br />H (Field) <br />7.9 <br />-- <br />units <br />4500-H B 01/14/19:200725 <br />4500HB 01/14/19:200966 <br />Specific Conductance <br />494 <br />1 <br />umhos/cm <br />16002 <br />2510B 01/16/19:200524 <br />2510B 01/16/19:200694 <br />Total Dissolved Solids <br />330 <br />20 <br />mg/L. <br />10002 <br />2540CE 01/16/19:200553 <br />2540C 01/17/19:200766 <br />AS Screen <br />Negative <br />0.1 <br />mg/L <br />0.52 <br />5540C 01/16/19:200561 <br />5540C 01/16/19:200728 <br />Aggressiveness Index <br />12.1 <br />-- <br />-- <br />4500-H B 01/14/19:200725 <br />4500HB 01/14/19:200966 <br />angelier Index (20°C) <br />0.2 <br />-- <br />-- <br />4500-H B 01/14/19:200725 <br />4500HB 01/14/19:200966 <br />itrate Nitrogen 1 <br />14.8 1 <br />0.1 1 <br />mg/L 1 <br />10 <br />1 300.0 01/15/19:200761 1 <br />300.0 01/15/19:201007 <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 />853 Corporation Street 2500 Stagecoach Road 563 E. Undo Avenue <br />Santa Paula, CA 93060 Stockton, CA 95215 Chico, CA 95926 <br />TEL: (805)392-2000 TEL: (209)942-0182 TEL: (530)343-5818 <br />Env FAX: (805)525-4172 / Ag FAX: (805)392-2063 FAX: (209)942-0423 FAX: (530)343-3807 <br />CA ELAP Certification No. 1573 CA ELAP Certification No. 1563 CA ELAP Certification No. 2670 <br />Office & Laboratory <br />3442 Empresa Drive, Suite D <br />San Luis Obispo, CA 93401 <br />TEL: (805)783-2940 <br />FAX: (805)783-2912 <br />CA ELAP Certification No. 2775 <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 />