Evaluation of the Technicon block digestor system for total kjeldahl nitrogen and total phosphorus /

Issued Feb. 1978.

Development of a strategy for sampling tree rings /

Mode of access: Internet.

Biotransformation and chemical form of mercury in plants /

Bibliography: p. 7-9.

Comparison of methods for the determination of total available residual chlorine in various sample matrices /

Bibliography: p. 28-29.

Distribution of phytoplankton in Alabama lakes /

Issued July 1977.

Status and quality of radiation measurements : food and human urine /

Issued Oct. 1977.

Distribution of phytoplankton in Virginia lakes /

Mode of access: Internet.

Distribution of phytoplankton in Mississippi lakes /

Mode of access: Internet.

Distribution of phytoplankton in South Carolina lakes /

Mode of access: Internet.

Supplementary radiological measurements at the Maxey Flats radioactive waste burial site, 1976-1977 /

Issued Sept. 1978.

Proposed system for determining NPDES and NIPDWR method equivalency.

Mode of access: Internet.

Air monitor siting by objective /

Issued June 1978.

Tests of the dual differential radiometer under field conditions /

Issued Aug. 1978.

New approaches to the preservation of contaminants in water samples /

Jan. 1979.

Toxic trace metals in mammalian hair and nails /

"August 1979."