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FGL <br /> ENVIRONMENTAL . . <br /> Analytical Chemists <br /> December 30, 2021 Lab ID : STK2157973-001 <br /> Customer ID : 3-17919 <br /> San Joaquin Co.Environmental Health Dep <br /> Water Quality Division Sampled On : December 15, 2021-14:00 <br /> Attn: Michael Kith Sampled By : Aaron Gooderman <br /> 1868 East Hazelton Ave. Received On : December 15, 2021-16:05 <br /> Stockton, CA 95205 Matrix : Drinking Water <br /> Description : Wellhead <br /> Project : 20911 Bushka Road <br /> Sample Result - Inorganic <br /> Constituent Result PQL Units MCL/AL Sample Preparation Sample Analysis <br /> Method Date/ID Method Date/ID <br /> General Mineral <br /> Total Hardness as CaCO3 77.0 2.5 mg/L 200.7 I2nO/21:214622 200.7 12/20/21:219657 <br /> Calcium 16 1 mgAL 200.7 12/20/21:214622 200.7 12/20/21:219657 <br /> Magnesium 9 1 mg/L 200.7 12/20/21:214622 200.7 12/20/21:219657 <br /> Potassium 3 1 mg/L 200.7 12/20/21:214622 200.7 12/20/21:219657 <br /> Sodium 16 1 mgAL 200.7 12/20/21:214622 200.7 12/20/21:219657 <br /> Total Cations 2.3 --- meq/L 200.7 12n0/21:214622 200.7 12/20/21:219657 <br /> Boron ND 0.1 mg/L 200.7 12/20/21:214622 200.7 12120/21:219657 <br /> Copper ND 10 ug/L 10002 200.7 12/20/21:214622 200.7 12/20/21:219657 <br /> Iron ND 30 ug/L 3002 200.7 12/20/21:214622 200.7 12120/21:219657 <br /> Manganese ND 10 ug/L 502 200.7 12no/21:214622 200.7 12120/21:219657 <br /> inc ND 20 ug/L 200.7 12/20/21:214622 200.7 12120/21:219657 <br /> SAR 0.8 0.1 -- 200.7 12/20/21:214622 200.7 12120/21:219657 <br /> Total Alkalinity(as CaCO3) 70 10 mg/L 2320E 12/21/21:214686 23208 12n1/21:219747 <br /> Hydroxide as OH ND 10. mg/L 2320E 12/21/21:214686 23208 12/21/21:219747 <br /> Carbonate as CO3 ND 10 mg/L 2320E 12/21/21:214686 23208 12n1/21:219747 <br /> Bicarbonate as HCO3 90 10 mg/L 2320E 12/21/21:214686 2320E 12/21/21:219747 <br /> Sulfate 5.2 0.5 mg/L 5002 300.0 12/16/21:214499 300.0 12116/21:219610 <br /> Chloride 8 1 mg/L 5002 300.0 12/16/21:214499 300.0 12/16/21:219610 <br /> Nitrate as NO3 18.2 0.4 mg/L 45 300.0 12/16/21:214499 300.0 12/16/21:219610 <br /> Nitrite as N ND 0.2 mg/L 1 300.0 12/16/21:214499 300.0 12/16/21:219610 <br /> Nitrate+Nitrite as N 4.1 0.1 mg/L 10 300.0 12/16/21:214499 300.0 12116/21:219610 <br /> Fluoride 0.2 0.1 mg/L 2 300.0 12116/21:214499 300.0 12116/21:219610 <br /> Total Anions 2.1 --- meq/L 23208 12/21/21:214686 23208 12/21/21:219747 <br /> H(Field) 8 --- units 4500-H B 12/15/21:214595 4500HB 12/15/21:219567 <br /> Specific Conductance 229 1 umhos/cm 16002 2510E 12/20/21:214594 25106 12/20/21:219566 <br /> Total Dissolved Solids 170 20 mg/L 10002 2540CE 12/17/21:214558 25400 12/20/21:219598 <br /> AS Extraction ND 0.1 mg/L 0.52 5540C 12/17/21:214865 55400 12117/21:219886 <br /> Aggressiveness Index 11.4 1 -- 4500-H B 12/15/21:214595 4500HB 12/15/21:219567 <br /> angelier Index(20°C) -0.4 1 -- 4500-H B 12/15/21:214595 4500HB 12/15/21:219567 <br /> itrate Nitrogen 4.1 0.1 mg/L 10 300.0 12/16/21:214499 300.0 12/16/21:219610 <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 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 ELAP Certification No.1573 CA ELAP Certification No.1563 CA ELAP Certification No.2670 CA ELAP Certification No.2775 CA ELAP Certification No.2810 <br />