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ML <br /> ENVIRONMENTAL <br /> Anal)tical Chemists <br /> December 27, 2021 Lab ID : STK2156869-005 <br /> Customer ID : 3-12023 <br /> Luhdorff& Scalmanini, Consulting Eng. <br /> Attn: Jeanette Lovelis Sampled On : November 22,2021-11:45 <br /> 500 First Street Sampled By : Ryan Sanchez <br /> Woodland, CA 95695 Received On : November 22,2021-13:20 <br /> Matrix : System <br /> Description : Hall <br /> Project : Water Monitoring <br /> Sample Result- Inorganic <br /> Constituent Result PQL Units Note Sample Preparation Sample Analysis <br /> Method Date/ID Method Date/ID <br /> General Mineral <br /> Total Hardness as CaCO3 198 2.5 mg/L 200.7 11/29/21:213800 200.7 11/29/21:218541 <br /> Calcium 53 1 mg/L 200.7 11/29/21:213800 200.7 11/29/21:218541 <br /> Magnesium 16 1 mg/L 200.7 11/29/21:213800 200.7 11/29/21:218541 <br /> Potassium 2 1 mg/L 200.7 11/29/21:213800 200.7 11/29/21:218541 <br /> Sodium 69 1 mg/L 200.7 11/29/21:213800 200.7 11/29/21:218541 <br /> Total Cations 7.0 --- meq/L 200.7 11/29/21:213800 200.7 11/29/21:218541 <br /> Boron 0.4 0.1 mg/L 200.7 11/29/21:213800 200.7 11/29/21:218541 <br /> Copper ND 10 ug/L, 200.7 11/29/21:213800 200.7 11/29/21:218541 <br /> Iron ND 30 ug/L 200.7 11/29/21:213800 200.7 11/29/21:218541 <br /> Manganese ND 10 ug/L 200.7 11/29/21:213800 200.7 11/29/21:218541 <br /> Zinc ND 20 ug/L 200.7 11/29/21:213800 200.7 11/29/21:218541 <br /> Total Alkalinity(as CaCO3) 180 10 mg/L 2320B 12/04/21:214019 2320B 12/05/21:218869 <br /> Hydroxide as OH ND 10 mg/L 2320B 12/04/21:214019 2320E 12/05/21:218869 <br /> Carbonate as CO3 ND 10 mg/L 2320E 12/04/21:214019 2320E 12/05/21:218869 <br /> Bicarbonate as HCO3 210 10 mg/L 2320E 12/04/21:214019 2320B 12/05/21:218869 <br /> Sulfate 81.0 0.5 mg/L 300.0 11/23/21:213682 300.0 11/24/21:218412 <br /> Chloride 78 1 mg/L 300.0 11/23/21:213682 300.0 11/24/21:218412 <br /> Nitrate as NO3 9.0 0.4 mg/L 300.0 11/23/21:213682 300.0 11/24/21:218412 <br /> Nitrite as N ND 0.2 mg/L 300.0 11/23/21:213682 300.0 11/24/21:218412 <br /> Nitrate+Nitrite as N 2.0 0.1 mg/L 300.0 11/23/21:213682 300.0 11/24/21:218412 <br /> Fluoride 0.2 0.1 mg/L 300.0 11/23/21:213682 300.0 11/24/21:218412 <br /> Total Anions 7.5 --- meq/L 2320B 12/04/21:214019 2320B 12/05/21:218869 <br /> pH 7.8 -- units 4500-H B 11/22/21:312700 4500HB 11/22/21:313616 <br /> Specific Conductance 771 1 umhos/cm 2510B 12/03/21:213983 2510B 12/03/21:218786 <br /> Total Dissolved Solids 460 20 mg/L 2540CE I1/23/21:213669 2540C 11/24/21:218377 <br /> Total Dissolved Solids(sum) 518 0 mg/L 200.7 11/29/21:213800 200.7 11/29/21:218541 <br /> MBAS Extraction ND 0.1 mg/L 55400 11/24/21:213900 55400 11/24/21:218655 <br /> Aggressiveness Index 12.2 1 -- 4500-H B 11/22/21:312700 4500HB 11/22/21:313616 <br /> Langelier Index(20°C) 0.3 1 -- 4500-H B 11/22/21:312700 450OHD 11/22/21:313616 <br /> Nitrate Nitrogen 1 2.0 1 0.1 1 mg/L 1 300.0 11/23/21:213682 300.0 11/24/21:218412 <br /> ND=Non-Detected.PQL-Practical Quantitation Limit."PQL adjusted for dilution. <br /> Page 6 of 10 <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)7349473 <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)7348435 <br /> CA ELAP Certification No.1573 CA ELAP Certification No.1563 CA ELAP Certification No.2670 CAELAPCertificationNo.2775 CA ELAP Certification No.2810 <br />