Symposium on Chemical and Biological Characterization of Municipal Sludges, Sediments, Dredge Spoils, and Drilling Muds : abstracts, May 20-22, 1986.

Mode of access: Internet.

Post biological solids characterization and removal from pulp mill effluents /

Mode of access: Internet.

Biological Stream Characterization (BSC) : a biological assessment of Illinois stream quality /

"IEPA/WPC/89-275"--Cover.

Biological stream characterization (BSC): biological assessment of Illinois stream quality through 1993 /

"November 1996."

An Ecological characterization of the Central and Northern California coastal region /

Includes bibliographical references.