Determining tetrafluoroborates : an evaluation of the fluoroborate anion selective electrode /

Mode of access: Internet.

Calculated actinic fluxes (290 - 700 nm) for air pollution photochemistry applications /

Mode of access: Internet.

Factors affecting the use of CaF2 : Mn thermoluminescent dosimeters for low-level environmental radiation monitoring /

Mode of access: Internet.

The status of the EPA laboratory automation project /

Issued April 1977.

A battery-operated air sampler for remote areas /

"Monitoring Systems Research and Development Division, Environmental Monitoring and Support Laboratory."

Regulatory water quality monitoring networks : statistical and economic considerations /

Mode of access: Internet.

Ion chromatography of anions /

"March 1980."

A handbook on scrap futures markets and futures trading /

Mode of access: Internet.

Pharmacokinetics of toxic elements in rainbow trout /

Mode of access: Internet.

A guide to the Naididae (Annelida, Clitellata, Oligochaeta) of North America /

Includes index to scientific names, p. 46-47.

Thermal analysis of the ISCO 1680 portable wastewater sampler /

"June 1980."

Performance tests for the evaluation of computerized gas chromatography/mass spectrometry equipment and laboratories /

"April 1980"--Cover.

Calibration of a 90 V̊-notch weir using parameters other than upstream head /

Mode of access: Internet.

Treatability of carcinogenic and other hazardous organic compounds/

Mode of access: Internet.

Field study of nutrient control in a multicell lagoon /

Mode of access: Internet.