Description
Item Description:"Funded wholly or in part by the U.S. Environmental Protection Agency (EPA) under contract number 68-03-3413, work assignment number 2-53, to PEI Associates, Inc."--P. ii.
Shipping list number: 90-066-P.
"December 1989."
"EPA/540/2-89/058."
Physical Description:xiii, 118 pages : illustrations ; 28 cm.
Bibliography:Includes bibliographical references (page 79).