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Provisional Peer-Reviewed Toxicity Values (PPRTVs)

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Provisional Peer-Reviewed Toxicity Values (PPRTVs)

A Provisional Peer-Reviewed Toxicity Value (PPRTV) is a toxicity value primarily derived for use in EPA's Superfund Program. PPRTVs are derived from a review of the relevant scientific literature using EPA methods, sources of data and guidance for value derivation.