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September 1, 2021 Lab ID : STK2151557-001 <br />Customer ID :3-18848 <br />Ynez Hernandez <br />593 Fishback Sampled On : August 16, 2021-10:06 <br />Manteca, CA 95337 Sampled By : William Giulieri <br />Received On : August 16, 2021-14:10 <br />Matrix : Drinking Water <br />Description : Wellhead <br />Project : 593 Fishback Rd.,Manteca <br />Sample Result - Inorganic <br />Constituent <br />Result <br />PQL <br />Units <br />MCZJA <br />Sample Preparation <br />Method Date/ID <br />Sample Analysis <br />I 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 />105 <br />2.5 <br />mg/L <br />TEL: (805)783-2940 <br />200.7 08/18/21:209484 <br />200.7 08/18/21:212822 <br />Calcium <br />29 <br />1 <br />mg/L <br />CA ELAP Certification No. 1563 <br />200.7 08/18/21:209484 <br />200.7 08/18/21:212822 <br />Magnesium <br />8 <br />1 <br />mg/L <br />200.7 08118/21:209484 <br />200.7 08/18/21:212822 <br />Potassium <br />3 <br />1 <br />mg/L <br />200.7 08/18/21:209484 <br />200.7 08/18/21:212822 <br />Sodium <br />18 <br />1 <br />mg/L <br />200.7 08/18/21:209484 <br />200.7 08/18/21:212822 <br />Total Cations <br />3.0 <br />--- <br />meq/L <br />200.7 08/18/21:209484 <br />200.7 08/18/21:212822 <br />Boron <br />ND <br />0.1 <br />mg/L <br />200.7 08/18/21:209484 <br />200.7 08/18/21:212822 <br />Copper <br />ND <br />10 <br />ug/l- <br />10002 <br />200.7 08/18/21:209484 <br />200.7 08/18/21:212822 <br />Iron <br />ND <br />30 <br />ug/L <br />3002 <br />200.7 08/18/21:209484 <br />200.7 08118/21:212822 <br />anganese <br />ND <br />10 <br />ug/L <br />502 <br />2003 08/18/21:209484 <br />200.7 08/18/21:212822 <br />inc <br />ND <br />20 <br />ug/L <br />200.7 08/18/21:209484 <br />200.7 08/18/21:212822 <br />SAR <br />0.8 <br />0.1 <br />-- <br />200.7 08/18/21:209484 <br />200.7 08/18/21:212822 <br />Total Alkalinity (as CaCO3) <br />110 <br />10 <br />mg/L <br />2320B 08/23/21:209674 <br />2320B 08/23/21:213101 <br />Hydroxide as OH <br />ND <br />10 <br />mg/L <br />2320B 08/23/21:209674 <br />2320B 08/23/21:213101 <br />arbonate as CO3 <br />ND <br />10 <br />mg/L <br />2320B 08/23/21:209674 <br />2320B 08/23/21:213101 <br />Bicarbonate as HCO3 <br />130 <br />10 <br />mg/L <br />2320B 08/23/21:209674 <br />2320E 08/23/21:213101 <br />Sulfate <br />16.5 <br />0.5 <br />mg/L <br />5002 <br />300.0 08/17/21:209439 <br />300.0 08/17/21:212780 <br />Chloride <br />7 <br />1 <br />mg/L <br />5002 <br />300.0 08/17/21:209439 <br />300.0 08/17/21:212780 <br />Nitrate as NO3 <br />9.0 <br />0.4 <br />mg/L <br />45 <br />300.0 08/17/21:209439 <br />300.0 08/17/21:212780 <br />itrite as N <br />ND <br />0.2 <br />mg/L <br />1 <br />300.0 08/17/21:209439 <br />300.0 08/17/21:212780 <br />Fluoride <br />0.1 <br />0.1 <br />mg/L <br />2 <br />300.0 08/17/21:209439 <br />300.0 08/17/21:212780 <br />Total Anions <br />2.8 <br />--- <br />meq/L <br />2320B 08/23/21:209674 <br />2320B 08/23/21:213101 <br />H (Field) <br />7.96 <br />--- <br />units <br />4500-H B 08/16/21:209640 <br />4500HB 08/16/21:213009 <br />Specific Conductance <br />306 <br />1 <br />umhos/cm <br />16002 <br />2510E 08/24/21:209694 <br />2510E 08/24/21:213073 <br />Total Dissolved Solids <br />210 <br />20 <br />mg/L <br />10002 <br />2540CE 08/18/21:209451 <br />2540C 08/19/21:212831 <br />AS Screen <br />Negative <br />0.1 <br />mg/L. <br />0.52 <br />5540C 08/17/21:209738 <br />5540C 08/17/21:213114 <br />Aggressiveness Index <br />11.9 <br />1 <br />-- <br />4500-H B 08/16/21:209640 <br />4500HB 08/16/21:213009 <br />angelier Index (20°C) <br />0.04 <br />1 <br />-- <br />4500-H B 08/16/21:209640 <br />4500HB 08/16/21:213009 <br />Nitrate Nitrogen <br />2.0 <br />0.1 <br />mg/I. <br />10 <br />300.0 08/17/21:209439 <br />300.0 08/17/21:212780 <br />Metals, Total <br />[Arsenic <br />1 1 <br />1 <br />ug/L <br />10 <br />200.8 08/18/21:209487 <br />200.8 08/18/21:212820 <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 />