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ENVI I ' AGRICULTURAL <br /> Ana]Vtical Chemists <br /> June 12, 2020 Lab ID : STK2037003-003 <br /> Customer ID : 3-12023 <br /> Luhdorff& Scalmanini, Consulting Eng. <br /> Attn: Jeanette Lovelis Sampled On : May 20, 2020-10:20 <br /> 500 First Street Sampled By : Charlie Jenkins <br /> Woodland, CA 95695 Received On : May 20, 2020-14:00 <br /> Matrix : Drinking Water <br /> Description : South Tracy#3 <br /> Project : Water Monitoring <br /> Sample Result- Inorganic <br /> Constituent Result PQL Units MCL;TLJ Sample Preparation Sample Analysis <br /> Method Date/ID Method Date/ID <br /> General Mineral <br /> Total Hardness as CaCO3 268 -- mg/L 200.7 05/23/20:205842 200.7 05/23/20:208121 <br /> Calcium 68 1 mg/L 200.7 05/23/20:205842 200.7 05/23/20:208121 <br /> Magnesium 24 1 mg/L 200.7 05/23/20:205842 200.7 05/23/20:208121 <br /> Potassium 2 1 mg/L 200.7 05/23/20:205842 200.7 05/23/20:208121 <br /> Sodium 74 1 mg/L 200.7 05/23/20:205842 200.7 05/23/20:208121 <br /> Total Cations 8.6 -- meq/L 200.7 05/23/20:205842 200.7 05/23/20:208121 <br /> Boron 0.9 0.1 mg/L 200.7 05/23/20:205842 200.7 05/23/20:208121 <br /> Copper ND 10 ug/L 10002 200.7 05/23/20:205842 200.7 05/23/20:208121 <br /> Iron ND 30 ug/L 3002 200.7 05/23/20:205842 200.7 05/23/20:208121 <br /> Manganese ND 10 ug/L 502 200.7 05/23/20:205842 200.7 05/23/20:208121 <br /> inc ND 20 ug/L 200.7 05/23/20:205842 200.7 05/23/20:208121 <br /> Total Alkalinity(as 180 10 mg/L 2320E 06/01/20:206174 2320E 06/01/20:208577 <br /> CaCO3) <br /> Hydroxide as OH ND 10 mg/L 2320E 06/01/20:206174 2320E 06/01/20:208577 <br /> Carbonate as CO3 ND 10 mg/L 2320B 06/01/20:206174 2320B 06/01/20:208577 <br /> Bicarbonate as HCO3 220 10 mg/L 2320B 06/01/20:206174 2320B 06/01/20:208577 <br /> Sulfate 147 0.5 mg/L 5002 300.0 05/21/20:205800 300.0 05/21/20:207977 <br /> Chloride 55 1 mg/L 5002 300.0 05/21/20:205800 300.0 05/21/20:207977 <br /> Nitrate as NO3 24.7 0.4 mg/L 45 300.0 05/21/20:205800 300.0 05/21/20:207977 <br /> Nitrite as N ND 0.2 mg/L 1 300.0 05/21/20:205800 300.0 05/21/20:207977 <br /> Nitrate+Nitrite as N 5.6 0.1 mg/L 10 300.0 05/21/20:205800 300.0 05/21/20:207977 <br /> Fluoride 0.2 0.1 mg/L 2 300.0 05/21/20:205800 300.0 05/21/20:207977 <br /> Total Anions 8.6 -- meq/L 23208 06/01/20:206174 2320E 06/01/20:208577 <br /> H(Field) 7.9 -- units 4500-H B 05/20/20:206075 4500HB 05/20/20:208357 <br /> Specific Conductance 885 1 umhos/cm 16002 2510E 06/02/20:206217 2510E 06/02/20:208550 <br /> Total Dissolved Solids 530 20 mg/L 10002 2540CE 05/26/20:205876 2540C 05/27/20:208196 <br /> Total Dissolved Solids 615 -- mg/L 200.7 05/23/20:205842 200.7 05/23/20:208121 <br /> (sum) <br /> MBAS Screen Negative 0.1 mg/L 0.52 5540C 05/21/20:206130 5540C 05/21/20:208433 <br /> Aggressiveness Index 12.4 -- -- 4500-H B 05/20/20:206075 4500HB 05/20/20:208357 <br /> Langelier Index(20°C) 0.5 -- -- 4500-H B 05/20/20:206075 4500HB 05/20/20:208357 <br /> Nitrate Nitrogen 1 5.6 1 0.1 1 mg/L 1 10 1 300.0 05/21/20:205800 1 300.0 05/21/20:207977 <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 5 of 11 <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:(806)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 />