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FGL <br /> ENVIRONMENTAL AGRICULTURAL <br /> July 1, 2021 Lab ID : STK2137140-005 <br /> Customer ID : 3-12023 <br /> Luhdorff& Scalmanini,Consulting Eng. <br /> Attn: Jeanette Lovelis Sampled On : May 19, 2021-13:55 <br /> 500 First Street Sampled By : Will Zimmerman <br /> Woodland, CA 95695 Received On : May 19, 2021-15:55 <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 207 2.5 mg/L 200.7 05/24/21:205769 200.7 05/24/21:207767 <br /> Calcium 55 1 mg/L 200.7 05/24/21:205769 200.7 05/24/21:207767 <br /> Magnesium 17 1 mg/L 200.7 05/24/21:205769 200.7 05/24/21:207767 <br /> Potassium 2 1 mg/L 200.7 05/24/21:205769 200.7 05/24/21:207767 <br /> Sodium 71 1 mg/L 200.7 05/24/21:205769 200.7 05/24/21:207767 <br /> Total Cations 7.3 --- meq/L 200.7 05/24/21:205769 200.7 05/24/21:207767 <br /> Boron 0.4 0.1 mg/L 200.7 05/24/21:205769 200.7 05/24/21:207767 <br /> Copper ND 10 ug/L 200.7 05/24/21:205769 200.7 05/24/21:207767 <br /> Iron ND 30 ug/L 200.7 05/24/21:205769 200.7 05/24/21:207767 <br /> Manganese ND 10 ug/L 200.7 05/24/21:205769 200.7 05/24/21:207767 <br /> Zinc ND 20 ug/L 200.7 05/24/21:205769 200.7 05/24/21:207767 <br /> SAR 2.1 0.1 -- 200.7 05/24/21:205769 200.7 05/24/21:207767 <br /> Total Alkalinity(as CaCO3) 180 10 mg/L 2320B 05/27/21:205889 2320E 05/28/21:208034 <br /> Hydroxide as OH ND 10 mg/L 2320E 05/27/21:205889 2320B 05/28/21:208034 <br /> Carbonate as CO3 ND 10 mg/L 2320B 05/27/21:205889 2320E 05/28/21:208034 <br /> Bicarbonate as HCO3 220 10 mg/L 2320B 05/27/21:205889 2320B 05/28/21:208034 <br /> Sulfate 82.8 0.5 mg/L 300.0 06/05/21:206261 300.0 06/06/21:208554 <br /> Chloride 84 1 mg/L 300.0 06/05/21:206261 300.0 06/06/21:208554 <br /> Nitrate as NO3 9.1 0.9 mg/L 450ONO3F 05/20/21:205642 450ONO3F 05/20/21:207567 <br /> Nitrite as N ND 0.2 mg/L 450ONO3F 05/20/21:205643 450ONO3F 05/20/21:207564 <br /> Fluoride 0.2 0.1 mg/L 300.0 06/05/21:206261 300.0 06/06/21:208554 <br /> Total Anions 7.9 --- meq/L 2320B 05/27/21:205889 2320B 05/28/21:208034 <br /> pH 8.2 units 4500-H B 05/24/21:205775 4500HB 05/24/21:207747 <br /> Specific Conductance 786 1 umhos/cm 2510B 05/28/21:205946 2510B 05/28/21:208005 <br /> Total Dissolved Solids 470 20 mg/L 2540CE 05/24/21:205746 25400 05/25/21:207786 <br /> MBAS Extraction ND 0.1 mg/L 55400 05/21/21.206093 5540C 05/21/21:208243 <br /> Aggressiveness Index 12.6 1 -- 4500-H B 05/24/21:205775 4500HB 05/24/21:207747 <br /> Langelier Index(20°C) 0.7 1 -- 4500-H B 05/24/21:205775 4500HB 05/24/21:207747 <br /> Nitrate Nitrogen 2.1 1 0.2 1 mg/L 450ONO3F 05/20/21:205642 450ONO3F 05/20/21:207567 <br /> ND=Non-Detected.PQL=Practical Quantitation Limit."PQL adjusted for dilution. <br /> Page 8 of 14 <br /> Corporate Offices d.Laboratory Office&Laboratory Office S 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)7348435 <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 />