Evaluation of methods for detecting coliforms and fecal streptococci in chlorinated sewage effluents /

Includes bibliographical references.

Fertilizer application rates and nitrate concentrations in Illinois surface waters : a report to the Illinois Institute for Environmental Quality /

Includes bibliographical references.

Illinois commercial fertilizer tonnage report /

Description based on: Jan.-June 1985.

Illinois recommended standards for sewage works /

Effective March 31, l980.

Private sewage disposal licensing act and code, 2003.

"12/02"--Colophon.

Public hearings on the draft NPDES permit for surface discharging private sewage disposal systems : Common Q & A.

"December 2006"

Relative effects on stream biota of chlorine and ammonia occurring in secondary sewage /

"Project no. 20./32."

Sewage disposal in Metropolitan Chicago : research report prepared pursuant to Proposal 638, by Senator W. Russell Arrington.

"Preliminary print."

Two-phase anaerobic digestion for enhanced stabilization and methanation of sewage sludge /

"ILENR/AE-92/02."

Use and disposal of wastewater sludge in Illinois : final report /

"Contract: EA99"

Wastes from water treatment plants : literature review, results of an Illinois survey, and effects of alum sludge application to cropland /

"SWS Contract report 429." -- Cover.

Response of ironweed and buckbrush to herbicides and to herbicides in combination with mowing, nitrogen fertilizer, and surfactants

Cooperating agency: Missouri Agricultural Experiment Station.

Precision planter and fertilizer applicator for use on experimental plots /

Cover title.

Preliminary reports on the disposal of New York's sewage ...

Mode of access: Internet.

Selected biological references applicable to sewage treatment.

Mode of access: Internet.