Description
Item Description:"PEI Associates."
"Conducted in cooperation with the Office of Water Regulations and Standards and the Great Lakes National Program Office."
Shipping list number: 91-147-P.
"November 1990."
"Contract number 68-03-3413, Work assignment number 2-66."
"EPA/600/2-90/054."
Physical Description:vii, 50 pages ; 28 cm.