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ENVIRONMENTAL�� <br /> Analytical Chemists <br /> December 9, 2022 <br /> Lab No. : STK2256435-001 <br /> Luhdorff& Scalmanini, Consulting Eng. Customer No.: 3012023 <br /> Attn:Jeanette Lovelis <br /> 500 First Street Sampled On : November 15, 2022 at 10:30 <br /> Woodland, CA 95695 Sampled By : Ryan Sanchez <br /> Received On : November 15, 2022 at 13:45 <br /> Description Granite #4 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 297 2.5 mg/L 1 11/18/2022 15:00 ac EPA 200.7 11/18/2022 18:39 ac <br /> Calcium 78 1 mg/L 1 11/18/2022 15:00 ac EPA 200.7 11/18/2022 18:39 ac <br /> Magnesium 25 1 mg/L 1 11/18/2022 15:00 ac EPA 200.7 11/18/2022 18:39 ac <br /> Potassium 2 1 mg/L 1 11/18/2022 15:00 ac EPA 200.7 11/18/2022 18:39 ac <br /> Sodium 78 1 mg/L 1 11/18/2022 15:00 ac EPA 200.7 11/18/2022 18:39 ac <br /> Total Cations 9.4 --- meq/L 1 11/18/2022 15:00 ac EPA 200.7 11/18/2022 18:39 ac <br /> Boron 1.0 0.1 mg/L 1 11/18/2022 15:00 ac EPA 200.7 11/18/2022 18:39 ac <br /> Copper ND 10 ug/L 1 J 11/18/2022 15:00 ac EPA 200.7 11/18/2022 18:39 ac <br /> Iron ND 30 ug/L 1 J 11/18/2022 15:00 ac EPA 200.7 11/18/2022 18:39 ac <br /> Manganese ND 10 ug/L 1 J 11/18/2022 15:00 ac EPA 200.7 11/18/2022 18:39 ac <br /> Zinc ND 20 ug/L 1 J 11/18/2022 15:00 ac EPA 200.7 11/18/2022 18:39 ac <br /> Total Alkalinity(as CaCO3) 200 10 mg/L 1 11/23/2022 14:38 amm SM 4500-H+B 11/23/2022 18:40 amm <br /> Hydroxide as OH ND 10 mg/L 1 U 11/23/2022 14:38 amm SM 4500-H+B 11/23/2022 18:40 amm <br /> Carbonate as CO3 ND 10 mg/L 1 U 11/23/2022 14:38 amm SM 4500-H+B 11/23/2022 18:40 amm <br /> Bicarbonate as HCO3 240 10 mg/L 1 11/23/2022 14:38 amm SM 4500-H+B 11/23/2022 18:40 amm <br /> Sulfate 216 0.5 mg/L 1 12/03/2022 19:36 Idm EPA 300.0 12/04/2022 00:38 ldm <br /> Chloride 49 1 mg/L 1 b 12/03/2022 19:36 Win EPA 300.0 12/04/2022 00:38 ldm <br /> Nitrate as NO3 11.6 0.4 mg/L 1 11/16/2022 13:00 Ifs SM 4500-NO3 F 11/16/2022 15:19 Ifs <br /> Nitrite as N ND 0.2 mg/L 1 U 11/16/2022 13:00 Ifs SM 4500-NO3 F 11/16/2022 15:17 Ifs <br /> Nitrate+Nitrite as N 2.6 0.4 mg/L 1 11/16/2022 13:00 Ifs SM 4500-NO3 F 11/16/2022 15:19 Ifs <br /> Fluoride 0.2 0.1 mg/L 1 b 12/03/2022 19:36 ldm EPA 300.0 12/04/2022 00:38 Win <br /> Total Anions 10.0 --- meq/L 1 b 11/23/2022 14:38 amm SM 4500-H+B 11/23/2022 18:40 amm <br /> pH 7.84 --- units 1 T 11/23/2022 14:38 amm SM 4500-H+B 11/23/2022 18:40 amm <br /> Specific Conductance 914 1 umhos/cm 1 11/23/2022 14:38 amm SM 4500-H+B 11/23/2022 18:40 amm <br /> Total Dissolved Solids 620 20 mg/L 1 11/17/2022 09:35 ctl SM 2540 C 11/18/2022 11:43 ctl <br /> Total Dissolved Solids(sum) 700 0 mg/L 1 b 11/18/2022 15:00 ac EPA 200.7 11/18/2022 18:39 ac <br /> MBAs(foaming agents) ND 0.1 mg/L 1 U 11/16/2022 15:14 jba SM 5540 C 11/16/2022 16:49 jba <br /> Aggressiveness Index 12.4 1 1 11/23/2022 14:38 amm SM 4500-H+B 11/23/2022 18:40 amm <br /> Langelier Index(20°C) 0.6 1 - 1 11/23/2022 14:38 amm SM 4500-H+B 11/23/2022 18:40 amm <br /> Nitrate Nitrogen 2.6 0.4 mg/L 1 11/16/2022 13:00 Ifs SM 4500-NO3 F 11/16/2022 15:19 Ifs <br /> DQF Flags Definition: <br /> J Reported value is estimated;detected at a concentration below the PQL and above the laboratory MDL. <br /> U Constituent results were non-detect. <br /> b The Blank was positive for constituent but less than the PQL <br /> T Exceeded method/regulatory-specific holding time. <br /> ND=Non-Detected,RL=Reporting Level,Dil.=Dilution <br /> Section:Sample Results Page 3 of 17 Page 3 of 17 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office S 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 1 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 />