Description
Item Description:Title from title screen (EPA, viewed Sept. 25, 2003).
"November 2001."
Acknowledgements on title screen state that Sandra Mendler is principal author.
Title from title screen (viewed on Sept. 25, 2003).
"EPA 220/K-02-001."
Electronic resource.
Physical Description:1 online resource (89 unnumbered pages) : color illustrations
Bibliography:Includes bibliographical ferences.