(10) 토양-물 분배계수(Kd)

                                                                 Kd (L/kg or cm3/g)
                           Koc            foc
        물질
                         (L/kg)          (%)                             pH 6.8
                                                    pH 6.0    pH 6.4                pH 7.2      pH 7.6
                                                                        (기본값)
      카드뮴1)                 -              -        3.7E+1    4.8E+1     7.5E+1      2.0E+2     8.7E+2
       구리3)                 -              -          -          -       2.2E+1         -           -
            1)
       비소                   -              -        2.7E+1    2.8E+1     2.9E+1      3.0E+1     3.1E+1
            1)
       수은                   -              -        3.5E+1    1.6E+1     5.2E+1      1.2E+2     1.7E+2
         납3)                -              -          -          -       9.0E+2         -           -
                 1)
      6가크롬                  -              -        2.3E+1    2.1E+1     1.9E+1      1.7E+1     1.5E+1
            1)
       아연                   -              -        3.6E+1    4.7E+1     6.2E+1      9.5E+1     1.9E+2
       니켈1)                 -              -        3.8E+1    4.7E+1     6.5E+1      1.4E+1     4.9E+2
                                                                         1.5E+2
       불소5)                 -              -
                                                                        (pH 6.7)
       벤젠1)             5.89E+11)                                        1.18E-1
     에틸벤젠1)             3.63E+21)                                        7.26E-1
               1)                 1)
      톨루엔               1.82E+2                                          3.64E-1
    크실렌2)               2.40E+22)                                        4.80E-1
         지방족            2.27E+36)                                       4.54E+0
         C5~C8                         0.0164),7)
         지방족
                        1.50E+56)                                        3.0E+2
    VPH C9~C12                           또는
         방향족                           부지특이적
         C9~C10         1.78E+36)                                       3.56E+0
                                        측정값
         지방족            6.80E+56)        사용
TPH      C9~C18
                                                                        1.36E+3
         지방족
        C19~C36             -                                               -
    EPH
         지방족
        >C36~C40            -                                               -
         방향족            5.00E+36)                                       1.00E+1
        C11~C22
※ foc 기본값 외에 평가대상부지의 부지특이적인 foc를 사용할 경우 사용한 분석방법 등 명확한 근거를 제시하여야 함
1) USEPA(2002), Supplemental guidance for developing soil screening levels for Superfund sites: Appendix C
2) Nebraska Department of Environmental Quality(2009), Risk-based corrective action (RBCA) at petroleum
   release sites
3) USEPA(2005), Partition Coefficients for Metals in Surface water, Soil, and Waste
4) 국립환경과학원(2010), 인체노출에 대한 토양분야 위해성평가
5) ORNL(1984), A Review and Analysis of Parameters for Assessing Transport of Environmentally Released
   Radionuclides through Agriculture
※유기물의 경우, Kd = Koc × foc
                  Koc: soil organic carbon/water partition coefficient(L/kg)
                  foc: fraction organic carbon in soil(g/g)
6) MADEP(2002), Characterizing risks posed by petroleum contaminated sites: Implementation of the MADEP
   VPH/EPH approach
7) RIVM(2001), Technical evaluation of the Intervention Values for Soil/sediment and Groundwater




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