Utah Action Levels for Soils

Utah has implemented Tier 1 RBCA for leaking UST sites. The Tier 1 screening levels shown below can only be applied when buildings, utility lines, and property lines are a distance greater than 30 feet from the contaminant source, and when water supply wells and surface water are greater than 500 feet from the source. Utah's RBCA Tier 2 process for determining site-specific cleanup levels can be found on our Web Site.

Product

Action Levels

Benzene

0.9mg/kg

Toluene

61mg/kg

Ethylbenzene

23mg/kg

Xylenes

235mg/kg

MTBE

0.3

Naphthalene

10mg/kg

TPH-gasoline

1500mg/kg

TPH-diesel

5000mg/kg

Oil & Grease/TRPH

10,000mg/kg

Contact: Robin D. Jenkins, Division of Environmental Response and Remediation, 801-536-4100

Web Site: http://www.deq.state.ut.us




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