1999-04-12_GENERAL DOCUMENTS - M1974052

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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 Results m /L Sample pH Ex At Sb As Ba Be B Cd Cr Co Cu Fe Pb Mn NI Se Ag Ti V Zn LI H Recycled Asphalt 7 1 1.2 ND NO 0.089 NO NO NO NO NO NO 0.88 NO 0.026 NO NO NO NO 0.01 0.011 0.009 NO 2 26 NA NA 039 NO 0.18 NA NA NO NA 28 NA 0076 NA NA NA NA 0.062 0.36 0.03 NA Class F Silo Ash with 5 1 0.10 NO NO 098 NO 610 NO 010 NO NO NO NO NO NO NO NO NO NO NO 0.19 NO Gypsum C Silo 2 0.13 NA NA 0.94 NA NO NA 0.00 NA NA NA NA NA NA NA NA NA NA NA 0.13 NA Bottom Ash 5 1 6.40 NO NO 0.38 NO 1.20 NO NO NO 0.03 4.20 NO 0.05 NO NO NO NO 0.02 0.06 0.03 ND 2 0.37 NA NA 0.06 NA 0.56 NA NA NA NO 0.20 NO NO NA NA NA NA NO NO 0.01 NO • Cherokee Silo Ash 2/3 5 1 44.0 NO NO 2.90 0.0036 51 00 NO 0.13 NO 0.04 12.00 NO 0.05 NO 0.27 NO NO 0.08 0.06 0.77 0.0001 2 510 NA NA 1.70 NA 15.00 NA NO NA NO NO NA NO NA NO NA NA 0.03 NO 0.22 NO Cherokee 4 Fly Ash with 5 1 0.61 NO NO 0.77 NO 51.00 NO 0.21 NO NO 0.11 NO NO NO 0.21 NO NO NO NO 0.77 NO 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 Recycled Concrete 5 1 1.30 NO N cy O 0.45 NO 0.08 NO 0.06 NO 0.04 0.56 NO 0.01 NO NO NO NO NO NO 0.02 NO 2 2.30 NA NA 0.23 NA NO NA 0.08 NA 0.02 0.09 NA NO NA NA NA NA NA NA 0.02 NA Recycled Asphalt 5 1 120 0 NO NO 1.60 0.01 0.09 NO 013 0.05 0.33 1400 0.33 390 0.10 NO NO NO 0.26 1.30 0.12 NO 2 870 NA NA 1.00 0.01 0.08 NA 0.07 0.03 0.22 90.0 019 230 0.62 NA NA NA 0.17 0.86 0.08 NA State Water Quality 5.0 0.006 0.050 20 0.004 0.750 0.005 0.100 0.050 .20I1.0 0.3015.0 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 I A A/S S/A P S P P P P A q A P Notes: ND a Not Detected NA-Not Analyzed EX•Extraction mg/L a milligrams per liter A-Agricultural Standard P-Primary Drinking Water Standard • S-Secondary Drinking Water Standard NR-Samples Not Analyzed Page 2 of 4