Revision of "Guidance on remedial investigations under CERCLA (May 1985)" and "Guidance on feasibility studies under CERCLA (June 1985)."
"Funded, wholly or in part, by the U.S. Environmental Protection Agency under contract no. 68-W8-0098"--T.p verso.
"October 1988."
GPO signature: 1989.
Shipping list no.: 89-251-P.
"EPA/540/G-89/004."