Description
Item Description:Shipping list number: 90-592-P.
"April, 1990."
"EPA/540/8-90/007."
"Funded by the United States Environmental Protection Agency under contract number 68-01-7481 to ICF, Incorporated"--Title page verso.
Physical Description:vii, 83, 2, 9 pages : illustrations ; 28 cm.
Bibliography:Includes bibliographical references.