Update and clarify definitions to make language more readable to non-members of particular trades or professions. Update the effective dates of adopted forms DH 4092A/B and DH 4095. Incorporate by reference United States Environmental Protection Agency (EPA) Drinking Water Standards and Health Advisories and provide the Internet address from which the materials are available. Update effective dates, mailing addresses, and Internet addresses for EPA, American Water Works Association, and United States Food and Drug Administration (FDA) guidance documents incorporated by reference in existing rules. Update effective dates and Internet addresses for EPA, FDA, and National Sanitation Foundation standards incorporated by reference in existing rules. Correct office mailing address. Correct formatting and grammatical errors for consistency.