The Wise Report
Effective March 22, 2019, the TCEQ PST Program has revised the Plan A Target Concentrations for Leaking Petroleum Storage Tank (LPST) releases. The new Target Concentrations for soil and groundwater reflect the PAH toxicity parameters, as revised by United States Environmental Protection Agency (US EPA) in March 2017 and the chemical/physical factors as posted by the Technical Support Section of the Remediation Division. The seven (7) affected PAH constituents are: Benz(a)anthracene Benzo(a)pyrene Benzo(b)fluoranthene Benzo(k)-fluoranthene Chrysene Dibenz(a,h)anthracene Indeno-1,2,3-cd-pyrene The revised Plan A Target Concentrations apply target risk goals as established in the PST rules (Chapter 334, Subchapter G, Section 203.(1) [...]