Effect of Increasing Hardness on Fresh Water Acute Water Quality Standards

Notes

This fax document from Water Resources Consulting LLC, dated February 13, 2002, presents calculations showing the effect of increasing hardness on fresh water acute water quality standards for copper and zinc, referencing WAC 173.201A.040. The document includes tables showing hardness values, exposure calculations, and WQC (Water Quality Criteria) values at various hardness levels for both copper and zinc.

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