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ENVIRONMENTAL . , <br /> Analytical Clicniists <br /> June 10, 2024 <br /> Lab No. : STK2437367-003 <br /> Luhdorff& Scalmanini, Consulting Eng. Customer No.: 3012023 <br /> Attn:Jeanette Lovelis <br /> 500 First Street Sampled On : May 21, 2024 at 08:25 <br /> Woodland, CA 95695 Sampled By : Ryan Sanchez <br /> Received On : May 21, 2024 at 14:25 <br /> Description South Tracy #3 Matrix : Drinking Water <br /> Project Water Monitoring <br /> Sample Results - Inorganic <br /> General Mineral Date Time Who Method Date Time Who <br /> Total Hardness as CaCO3 250 2.5 mg/L 05/23/2024 13:00 ac Calc. 05/23/2024 18:56 ac <br /> Calcium 64 1 mg/L 1 05/23/2024 13:00 ac EPA 200.7 05/23/2024 18:56 ac <br /> Magnesium 22 1 mg/L 1 05/23/2024 13:00 ac EPA 200.7 05/23/2024 18:56 ac <br /> Potassium 2 1 mg/L 1 05/23/2024 13:00 ac EPA 200.7 05/23/2024 18:56 ac <br /> Sodium 67 1 mg/L 1 05/23/2024 13:00 ac EPA 200.7 05/23/2024 18:56 ac <br /> Total Cations 8.0 1 meq/L 05/23/2024 13:00 ac _ 05/23/2024 18:56 ac <br /> Boron 0.9 0.1 mg/L 1 05/23/2024 13:00 ac EPA 200.7 05/23/2024 18:56 ac <br /> Copper ND 10 ug/L 1000, 1 U 05/23/2024 13:00 ac EPA 200.7 05/23/2024 18:56 ac <br /> Iron 60 30 ug/L 3002 1 05/23/2024 13:00 ac EPA 200.7 05/23/2024 18:56 ac <br /> Manganese ND 10 ug/L 502 1 U 05/23/2024 13:00 ac EPA 200.7 05/23/2024 18:56 ac <br /> Zinc ND 20 ug/L 5000 1 U 05/23/2024 13:00 ac EPA 200.7 05/23/2024 18:56 ac <br /> Total Alkalinity(as CaCO3) 180 10 mg/L 1 05/26/2024 14:10 amm SM 4500-H+B 05/26/2024 15:47 amm <br /> Hydroxide as OH ND 10 mg/L 1 U 05/26/2024 14:10 amm SM 4500-H+B 05/26/2024 15:47 amm <br /> Carbonate as CO3 ND 10 mg/L 1 U 05/26/2024 14:10 amm SM 4500-H+B 05/26/2024 15:47 amm <br /> Bicarbonate as HCO3 220 10 mg/L 1 05/26/2024 14:10 amm SM 4500-H+B 05/26/2024 15:47 amm <br /> Sulfate 158 0.5 mg/L 5002 1 05/22/2024 11:32 ldm EPA 300.0 05/22/2024 16:43 ]dm <br /> Chloride 54 1 mg/L 500Z 1 05/22/2024 11:32 ldm EPA 300.0 05/22/2024 16:43 ]dm <br /> Nitrate as NO3 21.9 0.4 mg/L 45 1 05/22/2024 11:32 ldm EPA 300.0 05/22/2024 16:43 ldm <br /> Nitrite as N ND 0.1 mg/L 1 1 U 05/22/2024 11:32 ldm EPA 300.0 05/22/2024 16:43 ldm <br /> Nitrate+Nitrite as N 5.0 0.1 mg/L 10 1 05/22/2024 11:32 ]dm EPA 300.0 05/22/2024 16:43 ldm <br /> Fluoride 0.2 0.1 mg/L 2 1 05/22/2024 11:32 ldm EPA 300.0 05/22/2024 16:43 ldm <br /> Total Anions 8.8 10 meq/L 05/22/2024 11:32 ldm _ 05/22/2024 16:43 ]dm <br /> pH 7.22 --- units 1 05/21/2024 08:25 rs SM 4500-H+B 05/21/2024 08:25 rs <br /> Specific Conductance 857 1 umhos/cm 16002 1 05/26/2024 14:10 amm SM 4500-H+B 05/26/2024 15:47 amm <br /> Total Dissolved Solids 540 20 mg/L 1000, 1 05/23/2024 10:15 ct] SM 2540 C 05/24/2024 11:00 cd <br /> Total Dissolved Solids(sum) 609 10 mg/L 05/23/2024 13:00 ac Calc. 05/23/2024 18:56 ac <br /> MBAS,Calc.as LAS,MW 320 ND 0.1 mg/L 0.52 1 U 05/23/2024 07:10 krh SM 5540 C 05/23/2024 08:20 krh <br /> Aggressiveness Index 11.7 10 --- 05/23/2024 13:00 ac Calc. 05/23/2024 18:56 ac <br /> Langelier Index(20°C) -0.2 20 --- 05/23/2024 13:00 ac Calc. 05/23/2024 18:56 ac <br /> Nitrate Nitrogen 4.9 0.1 mg/L 10 1 05/22/2024 11:32 ]dm EPA 300.0 05/22/2024 16:43 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 /> MCL = Maximum Contamination Level. 2-Secondary Standard. 3-CDPH Notification Level.AL = Regulatory Action Level. <br /> Section: Sample Results Page 6 of 17 Page 6 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 Certification No.2810 <br />