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April 20, 2022 Lab ID : STK2234449-001 <br />Customer ID : 3-17919 <br />San Joaquin Co. Environmental Health Dep <br />Water Quality Division Sampled On : April 4, 2022-14:25 <br />Attn: Michael Kith Sampled By : Francisco Garcia Rui <br />1868 East Hazelton Ave. Received On : April 4, 2022-15:06 <br />Stockton, CA 95205 Matrix : Drinking Water <br />Description : Wellhead <br />Project : 24341 Partridge Lane, Acampo, CA 95220 <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 />222 <br />2.5 <br />mg/L <br />200.7 04/06/22:203753 <br />200.7 04/07/22:204868 <br />Calcium <br />51 <br />1 <br />mg/L <br />200.7 04/06/22:203753 <br />200.7 04/07/22:204868 <br />Magnesium <br />23 <br />1 <br />mg/L <br />200.7 04/06/22:203753 <br />200.7 04/06/22:204905 <br />Potassium <br />2 <br />1 <br />mg/L <br />200.7 04/06/22:203753 <br />200.7 04/06/22:204905 <br />Sodium <br />28 <br />1 <br />mg/L <br />200.7 04/06/22:203753 <br />200.7 04/06/22:204905 <br />Total Cations <br />5.7 <br />--- <br />meq/L <br />200.7 04/06/22:203753 <br />200.7 04/07/22:204868 <br />Boron <br />ND <br />0.1 <br />mg/L <br />200.7 04/06/22:203753 <br />200.7 04/06/22:204905 <br />Copper <br />ND <br />10 <br />ug/L <br />10002 <br />200.7 04/06/22:203753 <br />200.7 04/06/22:204905 <br />ron <br />50 <br />30 <br />ug/L <br />3002 <br />200.7 04/06/22:203753 <br />200.7 04/06/22:204905 <br />Manganese <br />ND <br />10 <br />ug/L <br />502 <br />200.7 04/06/22:203753 <br />200.7 04/06/22:204905 <br />Inc <br />70 <br />20 <br />ug/L <br />200.7 04/06/22:203753 <br />200.7 04/06/22:204905 <br />SAR <br />0.8 <br />0.1 <br />_- <br />200.7 04/06/22:203753 <br />200.7 04/07/22:204868 <br />Total Alkalinity (as CaCO3) <br />150 <br />10 <br />mg/L <br />2320B 04/13/22:204054 <br />2320B 04/13/22:205298 <br />ydroxide as OH <br />ND <br />10 <br />mg/L <br />2320B 04/13/22:204054 <br />2320B 04/13/22:205298 <br />Carbonate as CO3 <br />ND <br />10 <br />mg/L <br />2320B 04/13/22:204054 <br />2320B 04/13/22:205298 <br />/carbonate as HCO3 <br />180 <br />10 <br />mg/L, <br />2320B 04/13/22:204054 <br />2320B 04/13/22:205298 <br />Sulfate <br />41.1 <br />0.5 <br />mg/L <br />5002 <br />300.0 04/05/22:203675 <br />300.0 04/05/22:204911 <br />Chloride <br />30 <br />1 <br />mg/L <br />5002 <br />300.0 04/05/22:203675 <br />300.0 04/05/22:204911 <br />Nitrate as NO3 <br />51.2 <br />0.4 <br />mg/L <br />45 <br />300.0 04/05/22:203675 <br />300.0 04/05/22:204911 <br />Nitrite as N <br />ND <br />0.2 <br />mg/L <br />1 <br />300.0 04/05/22:203675 <br />300.0 04/05/22:204911 <br />Nitrate + Nitrite as N <br />11.6 <br />0.1 <br />mg/L <br />10 <br />300.0 04/05/22:203675 <br />300.0 04/05/22:204911 <br />Fluoride <br />ND <br />0.1 <br />mg/L <br />2 <br />300.0 04/05/22:203675 <br />300.0 04/05/22:204911 <br />Total Anions <br />5.5 <br />--- <br />meq/L <br />2320B 04/13/22:204054 <br />2320B 04/13/22:205298 <br />H (Field) <br />6.51 <br />--- <br />units <br />4500-H B 04/04/22:203923 <br />4500HB 04/04/22:205059 <br />Specific Conductance <br />573 <br />1 <br />umhos/cm <br />16002 <br />2510B 04/13/22:204018 <br />2510B 04/13/22:205223 <br />Total Dissolved Solids <br />390 <br />20 <br />mg/L <br />10002 <br />2540CE 04/06/22:203749 <br />2540C 04/07/22:204896 <br />AS Screen <br />Negative <br />0.1 <br />mg/L <br />0.52 <br />5540C 04/06/22:203912 <br />5540C 04/06/22:205056 <br />Aggressiveness Index <br />10.8 <br />1 <br />-- <br />4500-H B 04/04/22:203923 <br />4500HB 04/04/22:205059 <br />angelier Index (20°C) <br />-1.1 <br />1 <br />-- <br />4500-H B 04/04/22:203923 <br />4500HB 04/04/22:205059 <br />[Nitrate Nitrogen <br />11.6 <br />0.1 <br />mg/L <br />10 <br />300.0 04/05/22:203675 <br />1 300.0 04/05/22:204911 <br />ND--Non-Detected. PQL=Practical Quantitation Limit. r 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 />