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ENVIRONMENTAL <br /> Analytical Chemists <br /> October 19, 2021 Lab ID : STK2154220-001 <br /> Customer ID : 3-17919 <br /> San Joaquin Co.Environmental Health Dep <br /> Water Quality Division Sampled On : October 4, 2021-09:40 <br /> Attn: Michael Kith Sampled By : Francisco Garcia Rui <br /> 1868 East Hazelton Ave. Received On : October 4, 2021-13:45 <br /> Stockton, CA 95205 Matrix : Drinking Water <br /> Description : Wellhead <br /> Project : 5828 Fairlane Road, Acampo CA 95220 <br /> Sample Result - Inorganic <br /> Constituent Result PQL Units MCUAL Sample Preparation Sample Analysis <br /> Method Date/ID Method Date/ID <br /> General Mineral <br /> Total Hardness as CaCO3 194 2.5 mg/L. 200.7 10/06/21:211596 200.7 10/06/21:215674 <br /> Calcium 40 1 mg/L 200.7 10/06/21:211596 200.7 10/06/21:215674 <br /> Magnesium 23 1 mg/L 200.7 10/06121:211596 200.7 10/06/21:215674 <br /> Potassium 4 1 mg/L 200.7 10/06/21:211596 200.7 10/06/21:215674 <br /> Sodium 25 1 mg/L 200.7 10/06/21:211596 200.7 10/06/21:215674 <br /> Total Cations 5.1 --- meq/L 200.7 10/06/21:211596 200.7 10/06/21:215674 <br /> Boron ND 0.1 mg/L 200.7 10/06/21:211596 200.7 10/06/21:215674 <br /> Copper ND 10 ug/L 10002 200.7 10/06/21:211596 200.7 10/06/21:215674 <br /> Iron ND 30 ug/1L 3002 200.7 10/06/21:211596 200.7 10/06/21:215674 <br /> Manganese ND 10 ug/L 502 200.7 10/06/21:211596 200.7 10/06/21:215674 <br /> inc ND 20 ug/L 200.7 10/06/21:211596 200.7 10/06/21:215674 <br /> SAR 0.8 0.1 -- 200.7 10/06/21:211596 200.7 10/06/21:215674 <br /> Total Alkalinity(as CaCO3) 150 10 mg/L 2320B 10/12/21:211829 23208 10/12/21:215951 <br /> ydroxide as OH ND 10 mg/L 2320E 10/12/21:211829 2320E 10/12/21:215951 <br /> Carbonate as CO3 ND 10 mg/L 2320E 10/12121:211829 2320E 10/12/21:215951 <br /> Bicarbonate as HCO3 180 10 mg/L 2320E 10/12/21:211829 2320E 10/1221:215951 <br /> Sulfate 20.7 0.5 mg/11, 5002 300.0 10/0521:211545 300.0 10/0521:215599 <br /> Chloride 37 1 mgAL 5002 300.0 10/05/21:211545 300.0 10/0521:215599 <br /> Nitrate as NO3 30.3 0.4 mg/L 45 300.0 10/05/21:211545 300.0 10/0521:215599 <br /> !trite as N ND 0.2 mg/L 1 300.0 10/0521:211545 300.0 10/0521:215599 <br /> Nitrate+Nitrite as N 6.9 0.1 mg/L 10 300.0 10/0521:211545 300.0 10/0521:215599 <br /> Fluoride ND 0.1 mg/L 2 300.0 10/0521:211545 300.0 10/0521:215599 <br /> Total Anions 4.9 --- meq/L 2320E 10/1221:211829 23208 10/1221:215951 <br /> pH(Field) 7.3 --- units 4500-H B 10/0421:211692 4500HB 10/04/21:215770 <br /> Specific Conductance 505 1 umhos/cm 16002 2510E 10/15/21:211962 2510E 10/1521:216064 <br /> Total Dissolved Solids 360 20 mg/L 10002 2540CE 10/0521:211543 25400 10/0621:215573 <br /> AS Extraction ND 0.1 mg/L 0.52 55400 10/0521:211853 55400 10/0521:215929 <br /> Aggressiveness Index 11.5 1 -- 4500-H B 10/0421:211692 4500HB 10/0421:215770 <br /> angelier Index(20°C) -0.4 1 -- 4500-H B 10/0421:211692 4500HB 10/0421:215770 <br /> [Nitrate Nitrogen 6.9 0.1 mg/L 10 300.0 10/0521:211545 300.0 10/05/21:215599 <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 8 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo 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 />