EPA's map of radon zones.
Contributors: United States. Environmental Protection Agency. Office of Radiation and Indoor Air. Radon Division; Geological Survey (U.S.)
Publisher: Radon Division, Office of Radiation and Indoor Air, U.S. Environmental Protection Agency
Published: 1993
Place of publication: [Washington, D.C.?]
Language: eng
Format: Microform
Subjects: Radon -- Environmental aspects -- Iowa; Radioactive pollution of soils -- Iowa; Indoor air pollution -- Iowa
Notes: "This document was prepared ... in conjunction with the U.S. Geological Survey (USGS)"--1st prelim. p

Distributed to depository libraries in microfiche

Shipping list no.: 98-0371-M

"September, 1993."

"402-R-93-035"--Cover

Includes bibliographical references

Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O. [1998] 2 microfiches : negative