Human and Ecological Risk Assessment - Earthjustice

Appendix AAttachment A-2: CCW Constituent DataSite/Waste TypeCCW Constituent Data (continued)WMUType Chemical Leachate (mg/L)No. ofLeachateMeasurementsNo. ofLeachateNondetectsSibley Quarry - Ash LF Arsenic 0.018 4 0Sibley Quarry - Ash LF Barium 0.265 4 4Sibley Quarry - Ash LF Cadmium 0.00114125 4 2Sibley Quarry - Ash LF Lead 0.00305 4 4Sibley Quarry - Ash LF Mercury 0.0001 4 4Sibley Quarry - Ash LF Molybdenum 0.725 3 1Sibley Quarry - Ash LF Selenium 0.18425 4 1Silverton - Ash LF Aluminum 3.1 1 0 16870Silverton - Ash LF Arsenic 0.375 2 0 48.5Silverton - Ash LF Barium 1.7 1 0 181.5Silverton - Ash LF Boron 0.22 1 0 20.5Silverton - Ash LF Lead 0.23 1 0 29.5Silverton - Ash LF Molybdenum 0.1 1 0 5Silverton - Ash LF Selenium 0.12 2 0 6.7Smith - Ash LF Arsenic 0.02 1 0Smith - Ash LF Barium 0.2 1 0Smith - Ash LF Cadmium 0.04 1 0Smith - Ash LF Lead 0.01 1 0Smith - Ash LF Selenium 0.01 1 0Total (mg/kg)SW - Ash LF Arsenic 0.006679487 195 53 29.495189SW - Ash LF Barium 0.81082716 243 0 2538.862069SW - Ash LF Cadmium 0.003400769 195 47 1.230670103SW - Ash LF Lead 0.001570707 99 97 35.39886598SW - Ash LF Mercury 0.000217677 99 98 0.039255034SW - Ash LF Selenium 0.003534884 172 46 0.6SX - Ash LF Aluminum 1.862 2 0SX - Ash LF Antimony 0.003275 2 1SX - Ash LF Arsenic 0.0365 2 0SX - Ash LF Barium 0.959 2 0SX - Ash LF Boron 4.5223 2 0SX - Ash LF Cadmium 0.04425 2 0SX - Ash LF Cobalt 0.0167 2 0SX - Ash LF Lead 0.00675 2 0SX - Ash LF Mercury 0.00005 4 4SX - Ash LF Selenium 0.048725 2 1SX - Ash LF Thallium 0.013625 2 1Tidd - FBC LF Aluminum 0.105 3 1Tidd - FBC LF Antimony 0.03 5 5Tidd - FBC LF Arsenic 0.028333333 3 2Tidd - FBC LF Barium 0.184 2 0Tidd - FBC LF Boron 0.82 3 0(continued)April 2010–Draft EPA document.A-2-26