U.S. EPA Region 5 Quality Assurance Office.
Contributors: United States. Environmental Protection Agency. Region V.
Publisher: U.S. Environmental Protection Agency, Region 5
Published: 1987
Place of publication: Chicago, IL
Language: eng
Subjects: United States. -- Environmental Protection Agency. -- Region V. -- Environmental Services Division. -- Quality Assurance Office; Environmental monitoring -- United States.
Other titles: US EPA Region 5 Quality Assurance Office
Notes: Shipping list no.: 87-579-P.