Methodology for Deriving Ambient Water Quality

Methodology for Deriving Ambient Water Quality
Author: Denis Borum
Publisher:
Total Pages: 165
Release: 2000-10-01
Genre: Nature
ISBN: 9780756728045

This document presents EPA's recommended Methodology for developing ambient water quality criteria as required under Section 304(a) of the Clean Water Act (CWA for States & Tribes' needs). The Methodology is guidance for scientific human health assessments used by EPA to develop, publish, & from time to time revise, recommended criteria for water quality accurately reflecting the latest scientific knowledge. Chapters: introduction to water quality criteria & standards & ambient water quality criteria (AWQC) methodology; clarifications on the methodology, risk characterization, & other issues for developing criteria; risk assessment; exposure; & references.