Toxicity reduction through chemical and biological modification of spent pulp bleaching liquors /

Mode of access: Internet.

Algal bioassays with leachates and distillates from western coal /

Mode of access: Internet.

Assays of toxic pollutants by fish blood /

Mode of access: Internet.

A continuous flow system using fish and amphibian eggs for bioassay determinations on embryonic mortality and teratogenesis /

Issued Apr. 1977.

Development of a sensitive bioassay to detect exposure to environmental estrogens /

"RR-86"

Bioassay of Bacillus thuringiensis (Berliner) endotoxin using the tobacco budworm /

Issued May 1976.

Effect of hydrogen sulfide on fish and invertebrates /

Includes appendix and bibliographies.