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aim <br /> ENVIRONMENTAL <br /> AGRICULTURAL <br /> Analytical ChcrtfisLs <br /> November 18, 2020 Lab ID : STK2055605-001 <br /> Customer ID : 3-17919 <br /> San Joaquin Co.Environmental Health Dep <br /> Water Quality Division Sampled On : November 3, 2020-11:45 <br /> Attn: Michael Kith Sampled By : Francisco Garcia Rui <br /> 1868 East Hazelton Ave. Received On : November 3, 2020-14:30 <br /> Stockton, CA 95205 Matrix : Drinking Water <br /> Description : Wellhead <br /> Project : 10331 N. Hwy 99, Stockton, CA 95212 <br /> Sample Result-Inorganic <br /> Constituent Result PQL Units MCL/AL Sample Preparation Sample Analysis <br /> Method Date/ID I Method Date/ID <br /> General Mineral <br /> Total Hardness as CaCO3 141 2.5 mg/L 200.7 11106/20:213119 200.7 11/06/20:217930 <br /> Calcium 30 1 mg/L, 200.7 11/06/20:213119 200.7 11106/0:217930 <br /> Magnesium 16 1 mg/L, 200.7 11/06/20:213119 200.7 11106120:217930 <br /> Potassium 4 1 mg/L 200.7 11/06/20:213119 200.7 11/06/2(1:217930 <br /> Sodium 1 1 mg/L. 200.7 11/06/20:213119 200.7 11i0620:217930 <br /> Total Cations 3.5 --- meq/L 200.7 11106/20:213119 200.7 11106/20:217930 <br /> Boron ND 0.1 mg/L 200.7 1+106/20:21311.9 200.7 11106/20:217930 <br /> Copper ND 10 ug/L 10002 200.7 11106/20:213119 200.7 11/0620:217930 <br /> IS <br /> ron ND 30 ug/L 3002 200.7 I 1,V6/'-)0;213119 200.7 11106»_0:217930 <br /> Manganese ND 10 ug/L 502 200.7 1110620:213119 200.7 11;06120:217930 <br /> Zinc ND 20 ug/L 200.7 11'062 0.7 0:213119 20 11/06/20:217930 <br /> AR 0.5 0.1 -- 200.7 11/0620:213119 200.7 11106/20:217930 <br /> Total Alkalinity(as 0003) 130 t 0 mg/L 2320s 11108/20:213162 2320s 11/08120:218015 <br /> Hydroxide as OH ND 10 mg/L 23204 11/0W20:213162 232013 11/0820:218015 <br /> Carbonate as CO3 ND 10 mg/L 2320B 11/08120:213162 2320s 11/08/20:218015 <br /> Bicarbonate as HCO3 150 10 1ng/.L 2320B 11/08120:213162 2320s 11/08/_0:219015 <br /> Sulfate 7.5 0.5 mg/L 5002 300.0 11/0420:213073 300.0 11104120:217816 <br /> Chloride 9 1 mg/L 5002 300.0 11,104120:213073 300.0 1 1104120:217816 <br /> Nitrate as NO3 6.4 0.4 mg/L 45 300.0 1110420:213073 300.0 11/04/20:217816 <br /> Nitrite as N ND 0.2 mg/L 1 300.0 11/04/20:213073 300.0 1110420:217816 <br /> Nitrate+Nitrite as N 1.5 0.1 mg/L 10 300.0 11/04120:213073 300.0 11/0420:217816 <br /> Fluoride ND 0.1 mg/L 2 300.0 H104J20:213073 300.0 11/04120:217816 <br /> Total Anions 3.0 --- meq/L 23208 1 uo&20:213162 2320s 11/0&/20:218015 <br /> H(Field) 8.2 -- units 4500-H s 1(!0320:213249 4500HB 11/03/20:218053 <br /> Specific Conductance 324 1 umhos/cm 16002 25108 11109/20:213187 251013 11/09/20:217976 <br /> Total Dissolved Solids 240 20 mg/L 10002 2540CE 1110520:213082 25400 11/0620:217897 <br /> BAS Extraction ND 0.1 mg/L 0.52 55400 11104/20:213056 55400 11/0420217789 <br /> Aggressiveness Index 12.2 1 -- 4500-H B 11103/20:213249 450OH13 1110320:218053 <br /> Langelier Index(20°C) 0.4 1 -- 4500-H H 11/03/20:213249 4500Hs 11103/20:218053 <br /> Nitrate Nitrogen 1.5 0.1 mg/L 10 300.0 11/04/20:213073 1 300.0 11104/20:217816 <br /> ND=-Non-Detected.PQL-Practical Quantitation Limit.s 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 Office&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Undo Avenue 3442 Empresa Drive,Suite D 9415 W.Goshen Avenue <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chico.CA 95926 San Luis Obispo,CA 93401 Visalia,CA 93291 <br /> TEL:(805)392-2000 TEL:(209)942-0182 TEL:(530)343-5818 TEL:(805)783-2940 TEL:(559)734-9473 <br /> Env FAX:(805)525-4172/Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX:(530)343-3807 FAX:(805)783-2912 FAX:(559)734-8435 <br /> CA FI AP CArtifiration No.1573 CA ELAP Certification No.1563 CA FLAP Certication No.2670 CA ELAP Certification No.2775 CA ELAP Certification No.281 <br />