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TABLE 4 <br />SGLP Analytical Results <br />Vasa Coal Ash Project <br />Weld County, Colorado <br />CGRS No.1-135-2755 <br /> <br />Sam le Ex AI Sb As Ba Be B Cd Cr Co Cu Fe Pb Mn NI Se A TI V Zn LI H <br /> <br />Ash with Gypsum <br />(C Silo) <br />1 <br />0.28 <br />ND <br />ND <br />0.71 <br />ND <br />3.40 <br />ND <br />0.033 <br />ND <br />ND <br />ND <br />ND <br />ND <br />ND <br />ND <br />ND <br />NA <br />ND <br />0.010 <br />0.090 <br />NA <br />Bottom ASh t 0.073 ND ND 0.12 ND 080 ND ND ND ND ND ND 0.010 ND ND ND NA ND ND 0.057 NA <br />Cherokee Silo <br />ASh 2/3 <br />1 <br />ND <br />ND <br />ND <br />1.10 <br />ND <br />i6 <br />ND <br />0033 <br />ND <br />ND <br />ND <br />ND <br />ND <br />ND <br />0.31 <br />ND <br />NA <br />0.04 <br />ND <br />0.28 <br />NA <br />Cherokee 4 Fly Ash <br />with Sodium <br />1 <br />ND <br />ND <br />ND <br />1.10 <br />ND <br />t6 <br />ND <br />0.06 <br />ND <br />ND <br />ND <br />ND <br />ND <br />ND <br />0.340 <br />ND <br />NA <br />0.07 <br />0.005 <br />0.23 <br />NA <br />Recycled Concrete 1 0.32 ND ND 0.11 ND 0.13 ND 0.088 NO 0.012 0.22 ND ND ND ND ND NA 0.01 0.011 0.054 NA <br />Recycled Asphalt ~ 0.12 ND ND 0.067 ND 0.58 ND ND ND ND 0.074 NO 0.071 ND ND ND NA ND ND 0.057 NA <br />Gravel puarry Water ND ND ND 0.010 ND 0.30 ND 0.06 ND ND 0.056 ND 0.028 ND ND ND ND ND ND 0.027 NA <br />State Water Quality 5.0 0.006 0.050 2.0 0.004 0.750 0.005 0.100 0.050 .2D71.0 0.3015.0 0.050 0.050 0.200 0.050 0.050 0.002 0.100 2.0 2.50 0.002 <br />Standards A P P P P A P P A AIS S/A P S P P P P A A A P <br />Notes: <br />ND =Not Detected <br />NA =Not Analyzed <br />EX = Extraetlon <br />mg1L = mllligrema per Ilter <br />A - Agrlcultursl Standard <br />P • Primary Orlnking Water StantleM <br />S • Secondary Drinking Water Standard <br />• <br />• <br />Page 1 of 2 <br />