Mode of access: Internet from the GPO Permanent Access web site. Address as of 2/1/10: http://permanent.access.gpo.gov/lps77942/; current access is available via PURL.
Note
Title from title screen (viewed Sept. 24, 2007).
"January 2005."
"EPA 815-R-05-004."
"Supercedes EPA/570/9-90/008, April 1990; EPA-814-B-92-002, September 1992; EPA 570/9-90-008A, October 1991; EPA 815-B-97-001, March 1997."