Laserfiche WebLink
M M ® = M ® M = = = W M = M <br />Table 1 <br />Predicted Vapor Phase VOC Concentrations in Lower Vadose Zone Soil <br />Equivalent to Maximum Groundwater Concentrations at the PQL and MDL <br />Analytes(a) <br />Henry's <br />Constant <br />KH(b) <br />(Dimensionless) <br />Henry's <br />Constant <br />kH(b) <br />(atm.m3lmol) <br />Regulated <br />Groundwater <br />Concentration <br />at PQUO <br />(gg/L) <br />Vapor <br />Concentration <br />Equivalent to <br />PQLO) <br />(gg/L) <br />Vapor <br />Concentration <br />Equivalent to <br />PQL) <br />(ppbv) <br />Regulated <br />Groundwater <br />Concentration <br />at MDUO <br />(µg/L) <br />Vapor <br />Concentration <br />Equivalent to <br />MDUk) <br />(gg/L) <br />Vapor <br />Concentration <br />Equivalent to <br />MDUk) <br />(ppbv) <br />2-Butanone (also MEK) <br />0.00111 <br />0.0000274 <br />0.50 <br />0.000566) <br />0.1906) <br />0.14 <br />0.00016(k) <br />0.054(k) <br />2-Chloroethylvinyl ether <br />N <br />N <br />0.50 <br />0.22 <br />2-Hexanone (also MBK) <br />0.00382 <br />0.000094(e) <br />0.50 <br />0.0019161 <br />0.46661 <br />0.26 <br />0.00099(k) <br />0.241 N <br />4-Methyl-2-pentanone <br />0.00630 <br />0.000155 <br />0.50 <br />0.003156) <br />0.7686) <br />0.17 <br />0.00107(k) <br />0.261(k) <br />Acetone <br />0.00072(8) <br />0.000018 <br />2.0 <br />0.001446) <br />0.6056) <br />0.52 <br />0.00037(k) <br />0.155(k) <br />Acetonitrile <br />0.0002(8) <br />0.000005 <br />5.0 <br />0.0016) <br />0.5956) <br />2.4 <br />0.00048(k) <br />0.286(k) <br />Acrolein <br />0.0016(8) <br />0.000040 <br />5.0 <br />0.008 <br />3.493 <br />0.70 <br />0.00112(k) <br />0.489(k) <br />Acrylonitrile <br />0.0034(8) <br />0.000085 <br />2.0 <br />0.007 <br />3.226 <br />0.26 <br />0.00088(k) <br />0.406(k) <br />Allyl chloride <br />0.3090(8) <br />0.007610 <br />0.50 <br />0.155 <br />49.521 <br />0.14 <br />0.04326 <br />13.821 <br />Carbon disulfide <br />0.4126(8) <br />0.010162 <br />0.50, <br />0.206 <br />66.238 <br />0.029 <br />0.11965 <br />38.473 <br />Chloroprene <br />0.9118(8) <br />0.022443 <br />0.50 <br />0.456 <br />125.967 <br />0.10 <br />0.09118 <br />25.188 <br />cis- 1,-3-Dichloropropene <br />1.20 <br />0.02956 <br />0.50 <br />0.60 <br />132.159 <br />0.11 <br />0.132 <br />29.075 <br />Freon 113 <br />10.18462(0 <br />0.25085 <br />0.50 <br />5.09231 <br />663.926 <br />0.25 <br />2.54616 <br />331.963 <br />lodomethane <br />N <br />N <br />0.50 <br />0.036 <br />Isobutanol <br />0.0037(8) <br />0.00009 <br />1.0 <br />0.004 <br />1.320 <br />0.61 <br />0.00226 <br />0.746 <br />m,p-Xylene <br />0.283 <br />0.0070 <br />0.50 <br />0.1415 <br />32.604 <br />0.38 <br />0.10754 <br />24.779 <br />Methacrylonitrile <br />0.0087(8) <br />0.0020 <br />1.0 <br />0.009 <br />3.285 <br />0.73 <br />0.00635 <br />2.318 <br />Methyl methacrylate <br />0.0106(8) <br />0.00026 <br />0.50 <br />0.005 <br />1.222 <br />0.20 <br />0.00212 <br />0.518 <br />o -Xylene <br />0.201 <br />0.00494 <br />0.50 <br />0:1005 <br />23.157 <br />0.15 <br />0.0302 <br />6.959 <br />Propionitrile <br />0.0009(9) <br />0.00002 <br />5.0 <br />0.0045 <br />2.000 <br />2.7 <br />0.00243 <br />1.080 <br />trans- 1,3-Dichloropropene <br />0.0529 <br />0.0013(h) <br />0.50 <br />0.0265 <br />5.837 <br />0.10 <br />0.00529 <br />1.165 <br />Predlced Vapor Equivs to GW PQL and MCL.doc Page 1 of 4 <br />