Guide to research in air pollution /

Mode of access: Internet.

Applicability of two mathematical models to the batch settling of activated sludge.

"Supported by Federal Water Pollution Control Administration, U.S. Department of the Interior. Research project WP-01011."

Uptake of soluble phosphate by activated sludge /

"Supported by Federal Water Pollution Control Administration ... research fellowship F1-WP-21, 616, and Ford Foundation."

Biological treatment of petrochemical wastes /

Supported by Division of Water Supply and Pollution Control U.S. Public Health Service Research Project WP-138.

Factors influencing free-living nematodes in water supplies /

"Supported by Division of Water Supply and Pollution Control U. S. Public Health Service Research Project WP-00047"

Destabilization-aggregation of dilute colloidal suspensions by polyelectrolytes.

Vita.

Removal of free-living nematodes by rapid sand filters /

Vita.

Studies on the removal of nematodes by rapid sand filtration /

"Supported by Federal Water Pollution Control Administration Research Project WP-00047.

Changes in some physical properties of activated sludge under different biological loading conditions.

"Supported by Federal Water Pollution Control Administration Research Grant WP 1011."

Oxygen relationships in small streams /

"Supported by Federal Water Pollution Control Administration ... research grant WP 01020."

Progress Evaluation Meeting: Pollution of Lake Erie and its Tributaries -Indiana, Michigan, New York, Ohio, Pennsylvania, June 4, 1968, Cleveland, Ohio. Proceedings.

Cover title.

Safety in wastewater works.

1st ed. (1944) published under title: Occupational hazards in the operation of sewage works.

Conclusions of technical session, Feb. 2, 1966.

Cover title.

Air pollution measurements in Pittsburgh, January-February, 1963

Bibliography: leaves 49-50.

Survey of sanitary facilities and pollution contributed to reservoirs and lakes of the Colorado-Big Thompson Project, South Platte River District, Bureau of Reclamation.

"Federal Water Pollution Control Administration, Kansas City, Missouri."