Guidance for the issuance of variances and exemptions
Contributors: United States. Office of Drinking Water. State Programs Division
Series: WSG ; 61
Publisher: Environmental Protection Agency, Office of Drinking Water, Criteria & Standards Division
Published: 1979
Place of publication: Washington
Language: eng
Number of pages: 65
Subjects: Drinking water -- Standards -- United States
Notes: "Office of Drinking Water, State Programs Division."

May 1979

Includes bibliographical references