OAR Division 340-247 Health Risk-Based Air Quality Standards for Toxic Air Contaminants
This document lists air contaminants that are a priority …
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Purpose and Overview
340-247-0010 Purpose and Overview. Division 247 lists air contaminants that are a priority for investigation in Oregon (Table 1), lists health risk-based standards for toxic air contaminants in Oregon (Table 2) and establishes the process for setting and updating these values. These scientific standards, also called toxicity reference values (TRVs), are used to help analyze public health risk from toxic air contaminants. These standards may be used by progra...
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