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Human Health Points of Exposure

Description: This document is intended to describe and depict the on-site and off-site locations of the prescribed and alternate human health points of exposure (POEs) to environmental media.
Date: March 2009
Creator: Texas Commission on Environmental Quality. Remediation Division.

Toxicity Factors and Chemical/Physical Parameters

Description: This guidance document addresses how changes in human toxicity factors will be handled, establishes a schedule for updating the human toxicity factors table, and describes the procedure for requesting toxicity factors and chemical/physical parameters for chemicals of concern (COC) not listed on the Tier 1 Protective Concentration Limit tables.
Date: March 2009
Creator: Texas Commission on Environmental Quality. Remediation Division.

TRRP Compatibility with RCRA

Description: This document explains the interface of the Texas Risk Reduction Plan (TRRP) rule and with the Resource Conservation and Recovery Act (RCRA) as it relates to the closure of a hazardous waste management unit.
Date: March 2009
Creator: Texas Commission on Environmental Quality. Remediation Division.
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