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| Oregon
Cleanup Standards for Hydrocarbon Contaminated Soil
*Note:
Oregon's UST Cleanup Rules (OAR 340-122-0205 through 340-122-0360)
provide responsible parties with four options for remediating sites; 1)
soil
contamination may be remediated to site-specific TPH levels, 2)
the
site may be shown to meet a set of "Low-impact Site"
requirements, 3)
the
site may be remediated to risk-based concentrations (RBCs) which may be
either generic standards taken from Department guidance, or
site-specific standards developed by the responsible party or 4)
the
site may be shown to meet the requirements of an applicable generic
remedy developed by the Department. Cleanup levels for individual constituents are
risk-based and depend on site-specific exposure pathways.
The Department has developed generic risk-based concentrations,
but there are too many to list in this table.
All risk-based standards must meet statutory requirements of
1-in-a-miliion excess cancer risk for carcinogens and a hazard index of
one for non-carcinogens. Contact:
Michael Anderson, Oregon Department of
Environmental Quality, 503-229-6764 E-mail:
anderson.michael.r@deq.state.or.us Web Site:
http://www.deq.state.or.us/wmc/tank/rbdm.htm Top |
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