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ENVIRONMENTAC <br /> Analytical 01cmists <br /> June 10, 2024 <br /> Lab No. : STK2437367-005 <br /> Luhdorff& Scalmanini, Consulting Eng. Customer No.: 3012023 <br /> Attn:Jeanette Lovelis <br /> 500 First Street Sampled On : May 21, 2024 at 13:30 <br /> Woodland, CA 95695 Sampled By : Ryan Sanchez <br /> Received On : May 21, 2024 at 14:25 <br /> Description : Hall Matrix : System <br /> Project Water Monitoring <br /> Sample Results - Inorganic <br /> General Mineral Date Time Who Method Date Time Who <br /> Total Hardness as CaCO3 196 2.5 mg/L 05/23/2024 13:00 ac Calc. 05/23/2024 19:22 ac <br /> Calcium 52 1 mg/L 1 05/23/2024 13:00 ac EPA 200.7 05/23/2024 19:22 ac <br /> Magnesium 16 1 mg/L 1 05/23/2024 13:00 ac EPA 200.7 05/23/2024 19:22 ac <br /> Potassium 2 1 mg/L 1 05/23/2024 13:00 ac EPA 200.7 05/23/2024 19:22 ac <br /> Sodium 66 1 mg/L 1 05/23/2024 13:00 ac EPA 200.7 05/23/2024 19:22 ac <br /> Total Cations 6.8 1 meq/L 05/23/2024 13:00 ac - 05/23/2024 19:22 ac <br /> Boron 0.4 0.1 mg/L 1 05/23/2024 13:00 ac EPA 200.7 05/23/2024 19:22 ac <br /> Copper ND 10 ug/L 1 U 05/23/2024 13:00 ac EPA 200.7 05/23/2024 19:22 ac <br /> Iron ND 30 ug/L 1 U 05/23/2024 13:00 ac EPA 200.7 05/23/2024 19:22 ac <br /> Manganese ND 10 ug/L 1 U 05/23/2024 13:00 ac EPA 200.7 05/23/2024 19:22 ac <br /> Zinc 40 20 ug/L 1 05/23/2024 13:00 ac EPA 200.7 05/23/2024 19:22 ac <br /> Total Alkalinity(as CaCO3) 180 10 mg/L 1 05/26/2024 14:10 amen SM 4500-H+B 05/26/2024 17:48 amm <br /> Hydroxide as OH ND 10 mg/L 1 U 05/26/2024 14:10 amm SM 4500-H+B 05/26/2024 17:48 amm <br /> Carbonate as CO3 ND 10 mg/L 1 U 05/26/2024 14:10 amm SM 4500-H+B 05/26/2024 17:48 amm <br /> Bicarbonate as HCO3 220 10 mg/L 1 05/26/2024 14:10 amm SM 4500-H+B 05/26/2024 17:48 amm <br /> Sulfate 76.7 0.5 mg/L 1 05/22/2024 17:36 1dm EPA 300.0 05/23/2024 06:16 ldm <br /> Chloride 76 1 mg/L 1 05/22/2024 17:36 Win EPA 300.0 05/23/2024 06:16 ldm <br /> Nitrate as NO3 8.1 0.4 mg/L 1 05/22/2024 17:36 ldm EPA 300.0 05/23/2024 06:16 ldm <br /> Nitrite as N ND 0.1 mg/L 1 U 05/22/2024 17:36 ldm EPA 300.0 05/23/2024 06:16 ldm <br /> Nitrate+Nitrite as N 1.8 0.1 mg/L 1 05/22/2024 17:36 ldm EPA 300.0 05/23/2024 06:16 Win <br /> Fluoride 0.2 0.1 mg/L 1 05/22/2024 17:36 Win EPA 300.0 05/23/2024 06:16 ldm <br /> Total Anions 7.5 10 meq/L 05/22/2024 17:36 ldm - 05/23/2024 06:16 ldm <br /> pH 7.39 --- units 1 05/21/2024 13:30 rs SM 4500-H+B 05/21/2024 13:30 rs <br /> Specific Conductance 732 1 umhos/cm 1 05/26/2024 14:10 amm SM 4500-H+B 05/26/2024 17:48 amm <br /> Total Dissolved Solids 440 20 mg/L 1 05/23/2024 10:15 ctl SM 2540 C 05/24/2024 11:00 ctl <br /> Total Dissolved Solids(sum) 517 10 mg/L 05/23/2024 13:00 ac Calc. 05/23/2024 19:22 ac <br /> MBAs,Calc.as LAS,MW 320 ND 0.1 mg/L 1 U 05/23/2024 07:10 1Qh SM 5540 C 05/23/2024 08:20 krh <br /> Aggressiveness Index 11.8 10 --- 05/23/2024 13:00 ac Calc. 05/23/2024 19:22 ac <br /> Langelier Index(20°C) -0.1 20 --- 05/23/2024 13:00 ac Calc. 05/23/2024 19:22 ac <br /> Nitrate Nitrogen 1.8 0.1 mg/L 1 05/22/2024 17:36 Min EPA 300.0 05/23/2024 06:16 ldm <br /> DQF Flags Definition: <br /> U Constituent results were non-detect. <br /> ND=Non-Detected, RL=Reporting Level*RL adjusted for dilution,Dil.=Dilution <br /> Section:Sample Results Page 10 of 17 Page 10 of 17 <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 CerBflcation No.2810 <br />