Toxicology Excellence for Risk Assessment (TERA)

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Independent Peer Review of Methodology Document titled “Development of Effects Screening Levels, Reference Values, and Unit Risk Factors” 
for the
Texas Commission on Environmental Quality, State of Texas

What:     Peer Review of Effects Screening Level (ESL) Methods
When:     June 27-28, 2005
Where:   Marriott Austin North, Round Rock, Texas

A panel of expert scientists conducted a Peer Review of a technical guidance document prepared by the Texas Commission on Environmental Quality (TCEQ), State of Texas.  This technical guidance document describes the process used by staff of the Toxicology Section (TS) to develop Effects Screening Levels (ESLs), Inhalation Reference Values (ReVs), and Unit Risk Factors (URFs). Although this document is primarily written as guidance for the TS staff, it also documents the ESL, ReV, and URF development methodology for any interested person with training in inhalation toxicology and risk assessment.

For additional information, contact Ms. Joan Strawson at 910-692-7752 or 


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