Description
Item Description:Title from title screen (viewed on Dec. 6, 2012).
"November 2007."
"A toxicological profile for heptachlor/heptachlor epoxide, draft for public comment was released in September 2005. This edition supersedes any previously released draft or final profile"--P. iii.
Electronic resource.
Physical Description:1 online resource (xx, 158 pages) : illustrations
Bibliography:Includes bibliographical references (pages 133-152) and index.