Section 40.0931 - PurposeCategories of groundwater and soil have been established by the Department for use in the characterization of risk posed by disposal sites. The documentation of a Risk Characterization shall support the categorization of the groundwater and soils at the disposal site.
(1) The groundwater and soil categories shall be used to determine the applicability of the groundwater and soil standards listed in 310 CMR 40.0974(2), 40.0975(6)(a), (b) and (c), and 40.0985(6) when Methods 1 or 2 are used to characterize risk.(2) The groundwater categories shall be used to identify applicable or suitably analogous standards as described in 310 CMR 40.0993(3), when Method 3 is used to characterize risk.(3) The groundwater and soil categories shall be considered in determining the need for Activity and Use Limitations as part of a Permanent or Temporary Solution.Amended by Mass Register Issue 1503, eff. 3/1/2024.Amended by Mass Register Issue S1516, eff. 3/1/2024.