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DRAFT: For discussion purposes only. Do not distribute. Table 1. 2017 SSAD Lead Sampling Laboratory Analytical Data and Field Measurements Pb Total Pb Dissolved Orthophosphate Orthophosphate Total Alkalinity DOC ORP ORP DO EC Turbidity Temp Date SamplelD a a b c d e PH (ug/L) (ug/L) as P(mg/L) as POQ(mg/L) (mg CaCO3/L) (mg/L) (mV vs.NHE) Temp(°C) (mg/L) (us/cm) (NTU) (-C) 3/29/17 Drop 7 0.72 0.50 0.10 0.31 36.1 2.8 459 18.4 10.31 74.7 7.5 13.8 16.5 3/29/17 Drop 8 0.73 0.50 0.10 0.31 34.8 2.8 417 18.1 10.16 72.3 7.9 12.9 18.0 3/29/17 Drop 8-FD 1.0 0.59 0.10 0.31 31.7 2.8 412 18.3 10.18 74.1 7.9 14.0 18.4 3/29/17 Drop 8-FB 0.50 0.50 0.10 0.31 4.1 0.70 371 18.6 8.44 5.5 8.3 0.20 28.5 24/17 Drop 7 1.8 0.57 0.10 0.31 30.8 2.6 466 20.2 10.29 68.9 8.6 7.88 17.2 4/24/17 Drop 8 1.3 1 0.59 0.10 0.31 32.5 2.6 456 20.2 10.46 1 67.6 8.2 1 7.50 19.6 4/24/17 Drop 8-FD 1.4 0.58 0.10 0.31 32.1 2.6 448 20.3 10.13 67.8 8.1 7.72 20.0 4/24/17 Drop 8-FB 0.50 0.50 0.10 0.31 4.6 0.70 410 20.3 8.92 2.5 8.8 0.18 21.7 5/17/17 Drop 7 0.87 0.50 0.10 0.31 30.6 2.7 401 21.4 10.63 64.5 8.1 6.97 20.6 5/17/17 Drop 8 0.50 0.50 0.10 0.31 29.8 2.6 407 19.9 10.14 62.0 7.3 7.30 20.8 5/17/17 Drop 8-FD 0.50 1 0.50 0.10 0.31 30.5 2.6 408 20.6 10.16 1 61.4 7.3 7.45 20.6 5/17/17 Drop 8-FB 0.50 0.50 0.10 0.31 3.0 0.70 372 20.6 8.59 1.8 8.6 1 0.20 23.1 6/20/17 Drop 7 1.1 0.50 0.10 0.31 27.0 2.4 485 22.1 9.41 53.8 6.7 1 6.36 19.6 6/20/17 Drop 8 1.5 0.50 0.10 0.31 27.0 2.4 492 21.0 9.49 53.4 6.6 6.05 21.5 6/20/17 Drop 8-FD 1.5 0.50 0.10 0.31 26.6 2.4 492 20.7 9.47 53.6 6.6 6.24 20.9 6/20/17 Drop 8-FB 0.50 1 0.50 0.10 0.31 4.1 0.70 454 21.7 8.10 2.6 7.5 0.43 29.3 7/19/17 Drop 7 0.50 0.50 0.10 0.31 25.8 2.3 418 23.6 9.87 1 48.7 8.4 9.68 17.7 7/19/17 Drop 8 0.54 0.50 0.10 0.31 16.7 2.3 424 24.2 9.54 51.0 8.4 10.20 21.0 7/19/17 Drop 8-FD 0.53 0.50 0.10 0.31 19.8 2.3 424 23.8 9.71 50.6 8.4 10.50 20.2 119/17 Drop 8-FB 0.50 0.50 0.10 0.31 1.00 0.70 385 23.9 8.64 2.0 8.8 0.38 21.6 Notes: Abbreviations: a If concentration reported as 0.50 ug/L,value is non-detect at the reporting limit. Ca CO, Calcium carbonate NHE Normal hydrogen electrode b If concentration reported as 0.10 mg/L,value is non-detect at the reporting limit. DO Dissolved oxygen NTU Nephelometric Turbidity Unit If concentration reported as 0.31 mg/L,value is non-detect at the reporting limit. DOC Dissolved organic carbon ORP Oxidation Reduction Potential d If concentration reported as 1.00 mg/L,value is non-detect at the reporting limit. EC Electrical conductivity P Phosphorus e If concentration reported as 0.70 mg/L,value is non-detect at the reporting limit. FB Field blank Pb Lead FD Field duplicate PO, Phosphate mV Millivolt u5 Microsiemen SSJID Lead Assessment Tabulated Lab Data,All Results 7/27/2017 Page 1 of 1 Blankinship&Associates, Inc.