EXH0038017506

WAC 173-340-740 Unrestricted land use (vi) Concentrations that eliminate or minimize soil cleanup standards, the potential for the accumulation of vapors in (1) General considerations, buildings or other structures. (a) Presumed exposure scenario soil cleanup (d) Relationship between soil cleanup levels levels shall be based on estimates of the reason- and other cleanup standards. Soil cleanup levels able maximum exposure expected to occur under shall be established at concentrations that do not both current and future site use conditions. The directly or indirectly cause violations of ground department has determined that residential land water, surface water, sediment, or air cleanup use is generally the site use requiring the most standards established under this chapter or protective cleanup levels and that exposure to applicable state and federal laws. A property that hazardous substances under residential land use qualifies for a Method C soil cleanup level under conditions represents the reasonable maximum WAC 173-340-745 does not necessarily qualify exposure scenario. Unless a site qualifies for use for a Method C cleanup level in other media. of an industrial soil cleanup level under WAC Each medium must be evaluated separately using 173-340-745, soil cleanup levels shall use this the criteria applicable to that medium. presumed exposure scenario and be established in (2) Method A soil cleanup levels for unre- accordance with this section, stricted land use. (b) In the event of a release of a hazardous (a) Applicability. Method A soil cleanup substance to the soil at a site, a cleanup action levels…

Open full document

Upcoming Events

PSCAA Advisory Council Meeting Agenda
Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
1904 3rd Avenue, Suite 105, Seattle, WA 98101
Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]