1999-04-12_HYDROLOGY - M1974052 (7)

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~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ TABLE 2 Analytical Results - SELP Varra Coal Ash Project Weld County, Colorado CGRS Project No.1-135-2755 ~ ~ ~ ~ ~ ~ ~ Total Metals Anal cal Reaulb m /L Sam le pH EX AI Sb As Ba Be B Cd Cr Co Cu Fe Pb Mn NI Se A TI V Zn LI H Recycled Asphalt 7 1 1.2 ND ND 0.089 ND ND ND ND ND ND 0.68 ND 0.028 ND ND ND ND 0.01 0.011 0.009 ND 2 26 NA NA 039 ND 0.18 NA NA ND NA 28 NA 0.078 NA NA NA NA 0.082 0.38 0.03 NA Class F Silo Ash with 5 1 0.10 ND ND 0.98 ND 6 70 ND 0.10 ND ND ND ND ND ND ND ND ND ND ND 0.19 ND sum C Silo 2 0.13 NA NA 0.94 NA ND NA 0.08 NA NA NA NA NA NA NA NA NA NA NA 0.13 NA Bottom Ash 5 1 640 ND ND 0.38 ND 1.20 ND ND ND 0.03 4.20 ND 0.05 ND ND ND ND 0.02 0.08 0.03 ND 2 0.37 NA NA 0.08 NA 0.56 NA NA NA ND 0.20 ND ND NA NA NA NA NO ND 0.01 ND Cherdcee Silo Ash 2l3 5 1 44 0 ND ND 2.90 0.0038 51.00 ND 0.13 ND 0.04 12.00 ND 0.05 ND 0.27 ND ND 0.06 0.08 0.77 D.0001 2 510 NA NA 1.70 NA 15.00 NA ND NA ND ND NA ND NA ND NA NA 0.03 ND 0.22 ND Cherokee4 Fly Ash with 5 1 0.61 ND ND 0.77 ND 57.00 ND 027 ND ND 0.11 ND ND ND 021 ND ND ND ND 0.77 ND Sodium 2 4.10 NA NA 1.10 NA 22.00 NA 0.05 NA NA 0.28 NA NA NA 0.13 NA NA NA NA 0.24 NA Re~ Ged Concrata 5 1 1.30 ND ND 0.45 ND 0.08 ND 0.06 ND 0.04 0.56 ND 0.01 ND ND ND ND ND ND 0.02 ND y 2 2.30 NA NA 0.23 NA ND NA 0.08 NA 0.02 0.09 NA ND NA NA NA NA NA NA 0.02 NA Rec cled As halt 5 1 120.0 ND ND 1.80 0.01 0.09 ND 0.13 0.05 0.33 140.0 0.33 3.90 0.10 ND ND ND 0.26 1.30 0.12 ND y p 2 87.0 NA NA 1.00 0.01 0.08 NA 0.07 0.03 0.22 90.0 0.79 2.30 0.62 NA NA NA 0.17 0.88 0.06 NA State Water duality 5.0 0 008 0.050 2.0 0.004 0.750 0.005 0.100 0.050 .20/1.0 0.30/5.0 0.050 0.050 0.200 0.050 0.050 0.002 0.100 2.0 2.50 0.002 Standards A P P P P A P P A A/S S/A P S P P P P A A A P NoGa: ND • Not Detecbd NA • Not Analyzed EX • Eztrectlon mglL • mllllgrams per Iker A • Agrlcullural Standard P -Primary Drinking Water Sundard S - Setondery Ddnklnp Water sLntlertl NR - Samplae Not Analyzed • Page 2 of 4