Workshop on verification of water quality models /

"Contract no. 68-01-3872."

Alternative policies for controlling nonpoint agricultural sources of water pollution /

"EPA-600/5-78-005."

Methods for aquatic toxicity identification evaluations : phase III : toxicity confirmation procedures /

Mode of access: Internet.

Methods for aquatic toxicity identification evaluations : phase II toxicity identification procedures /

Mode of access: Internet.

Hazardous material spills and responses for municipalities /

Mode of access: Internet.

Methods for aquatic toxicity identification evaluations : phase I : toxicity characterization procedures /

Mode of access: Internet.

Determination of breeding sites of nematodes in a municipal drinking water facility /

"Grant No. R804292010."

Infectivity and pathogenicity of enteroviruses ingested with drinking water /

"Grant number R803986."

Causes of death of anesthesiologists from the chloroform era /

"Grant no. R805473-01."

Fish physiology, fish toxicology, and fisheries management : proceedings of an international symposium, Guangzhou, PRC, September 14-16, 1988 /

Mode of access: Internet.

Performance evaluation of the aerated lagoon system at North Gulfport, Mississippi /

Mode of access: Internet.

Forest survey methods used in the USDA Forest Service /

Mode of access: Internet.

Precipitation and inactivation of phosphorus as a lake restoration technique /

Mode of access: Internet.

Toxicity reduction through chemical and biological modification of spent pulp bleaching liquors /

Mode of access: Internet.

Color removal from kraft mill effluents by ultrafiltration /

Mode of access: Internet.