[Washington, D.C.] : U.S. Environmental Protection Agency, Office of Water, [2003]
OCLC
on995470000002352409, ocm54390322
Title from title screen (viewed on Feb. 10, 2004).
Mode of access: Internet from the EPA web site. Address as of 2/10/04: http://www.epa.gov/safewater/mdbp/pdf/profile/lt1profiling.pdf; current access available via PURL.