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October 6, 2021 Lab ID : STK2153511-001 <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 : 9501 E. Jahant Rd.,Acampo <br />Customer ID : 3-17919 <br />Sampled On :September 20,2021-10:30 <br />Sampled By : Francisco Garcia Rui <br />Received On : September 20, 2021-13:35 <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 />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 />77.0 <br />2.5 <br />mg/L <br />200.7 09/22/21:211008 <br />200.7 09/22/21:214831 <br />Calcium <br />16 <br />1 <br />mg/L <br />200.7 09/22/21:211008 <br />200.7 09/22/21:214831 <br />Magnesium <br />9 <br />1 <br />mgAL <br />200.7 09/22/21:211008 <br />200.7 09/22/21:214831 <br />Potassium <br />2 <br />1 <br />mg/L <br />200.7 09/22/21:211008 <br />200.7 09/22/21:214831 <br />Sodium <br />18 <br />1 <br />mgAL <br />200.7 09/22/21:211008 <br />200.7 09/22/21:214831 <br />Total Cations <br />2.4 <br />--- <br />meq/L <br />200.7 09/22/21:211008 <br />200.7 09/22/21:214831 <br />Boron <br />ND <br />0.1 <br />mg/L <br />200.7 09/22/21:211008 <br />200.7 09/22/21:214831 <br />Copper <br />ND <br />10 <br />ug/L <br />1000' <br />200.7 09/22121:211008 <br />200.7 09/22/21:214831 <br />Iron <br />ND <br />30 <br />ug/L <br />300- <br />200.7 09/22/21:211008 <br />200.7 09/22/21:214831 <br />Manganese <br />ND <br />10 <br />ug/L <br />50 <br />200.7 09/22/21:211008 <br />200.7 09/22/21:214831 <br />Zinc <br />ND <br />20 <br />ug/L <br />200.7 09/22/21:211008 <br />200.7 09/22/21:214831 <br />SAR <br />0.9 <br />0.1 <br />-- <br />200.7 09/22/21:211008 <br />200.7 09/2221:214831 <br />l'otal Alkalinity (as CaCO3) <br />80 <br />10 <br />mg/L <br />2320B 092821:211262 <br />2320B 092921:215210 <br />Hydroxide as OH <br />ND <br />10 <br />mg/L <br />2320B 092821:211262 <br />2320E 092921:215210 <br />Carbonate as CO3 <br />ND <br />10 <br />mg/1- <br />2320B 092821:211262 <br />2320B 092921:215210 <br />Bicarbonate as HCO3 <br />100 <br />10 <br />mg/L <br />23208 092821:211262 <br />2320B 092921:215210 <br />Sulfate <br />3.7 <br />0.5 <br />mg/L <br />5002 <br />300.0 09/21/21:210930 <br />300.0 092121:214807 <br />Chloride <br />13 <br />1 <br />mg/L <br />5002 <br />300.0 092121:210930 <br />300.0 092121:214807 <br />Nitrate as NO3 <br />9.8 <br />0.4 <br />mg/L <br />45 <br />300.0 092121:210930 <br />300.0 092121:214807 <br />Nitrite as N <br />ND <br />0.2 <br />mg/L <br />1 <br />300.0 092121:210930 <br />300.0 092121:214807 <br />Nitrate + Nitrite as N <br />2.2 <br />0.1 <br />mg/L <br />10 <br />300.0 092121:210930 <br />300.0 092121:214807 <br />Fluoride <br />0.2 <br />0.1 <br />mg/L <br />2 <br />300.0 092121:210930 <br />300.0 09/21/21:214807 <br />Total Anions <br />2.3 <br />--- <br />meq/L <br />2320B 092821:211262 <br />2320B 092921:215210 <br />pH (Field) <br />7.94 <br />--- <br />units <br />4500-H B 092021:211154 <br />4500HB 092021:214999 <br />Specific Conductance <br />233 <br />1 <br />umhos/cm <br />16002 <br />25108 10/0121:211388 <br />2510E 10/0121:215313 <br />Total Dissolved Solids <br />220 <br />20 <br />mg/L <br />10002 <br />2540CE 092221:210990 <br />2540C 092321:214854 <br />AS Extraction <br />ND <br />0.1 <br />mg/1L <br />0.52 <br />55400 092121:211052 <br />55400 092121:214866 <br />Aggressiveness Index <br />11.4 <br />1 <br />-- <br />4500-H B 092021:211154 <br />4500HB 092021:214999 <br />angelier Index (20°C) <br />-0.4 <br />1 <br />-- <br />4500-H B 092021:211154 <br />4500HB 09/2021:214999 <br />itrate Nitrogen <br />2.2 <br />0.1 <br />mg/L <br />10 <br />300.0 0921/21:210930 <br />300.0 0921/21:214807 <br />ND=Non-Detected. PQLrPractical 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. Undo 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 />