Utilities Urge EPA, OMB To Expand Use Of Vapor Guide At Petroleum Sites

Utility industry representatives are urging EPA and White House officials to expand the use of EPA's draft risk-based criteria for assessing vapor intrusion risk at sites contaminated by leaking petroleum underground storage tanks (USTs) to more broadly cover all sites contaminated only by petroleum regardless of the source. "There is no science- or risk-based reason to treat [petroleum hydrocarbons] differently in the context of vapor intrusion evaluation/mitigation based on their source," according to a memo that representatives from the Utility...