EPA environmental modeling catalogue /

Mode of access: Internet.

Global Positioning Systems technology and its application in environmental programs /

Mode of access: Internet.

Groundwater quality monitoring of Western oil shale development : identification and priority ranking of potential pollution sources /

Mode of access: Internet.

Agricultural land use water quality interaction : problem abatement, project monitoring, and monitoring strategies /

Mode of access: Internet.

Environmental requirements and pollution tolerance of Plecoptera /

Issued Oct. 1978.

Environmental requirements and pollution tolerance of ephemeroptera /

Oct. 1978.

Surface water quality parameters for monitoring oil shale development /

Mode of access: Internet.

Development of a methodology for designing carbon monoxide monitoring networks /

Mode of access: Internet.

Regulatory water quality monitoring networks : statistical and economic considerations /

Mode of access: Internet.

Precision and accuracy assessments for state and local air monitoring networks, 1981-1986 /

Mode of access: Internet.

Potential use of ultrasound in chemical monitoring /

"Cooperative agreement no. CR818353."

Final wilderness environmental impact statement for the Grand Junction Resource Area /

"November 1989"--Cover.

MINTEQA2/PRODEFA2, a geochemical assessment model for environmental systems : version 3.0 user's manual /

Mode of access: Internet.

Research plan for monitoring wetland ecosystems /

"EPA/600/3-91/010."