Distribution of phytoplankton in Nevada lakes /

Mode of access: Internet.

NIOSH manual of sampling data sheets.

Mode of access: Internet.

NIOSH manual of sampling data sheets : supplement to the 1977 edition.

Mode of access: Internet.

Restoring the everglades : public participation in federal efforts : report to Congressional requesters /

"B-261985"--P. 1.

Americium : its behavior in soil and plant systems /

Mode of access: Internet.

Methylation of mercury in a terrestrial environment /

"ROAP no. 21BKN, program element no. 1AA006."

Pesticides and polychlorinated biphenyls in the Atchafalaya Basin, Louisiana /

"September 1979."

Handbook for sampling and sample preservation of water and wastewater.

Mode of access: Internet.

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

Mode of access: Internet.

The status of the EPA laboratory automation project /

Issued April 1977.

Descriptive water quality for the Atchafalaya Basin, Louisiana /

"February 1980."

The status and quality of radiation measurements for air /

Issued Oct. 1977.

A battery-operated air sampler for remote areas /

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

User's guide for the gas chromatography automation system /

Mode of access: Internet.

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

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