D.D. MacDonald / Canada. Ecosystem Sciences and Evaluation Directorate. Eco-health Branch

0662195477 / 9780662195474

Environmental protection

James Emmerson Gaskin / Haig Agemian / K. I. Aspila

0662203402 / 9780662203407

Quality assurance

R. A. Kent / Canada. Eco-Health Branch

UCR:31210025023191

Herbicides

Canada. Inland Waters and Lands Directorate

OCLC:32560487

G. D. Haffner / Canada. Inland Waters Directorate

UCR:31210025022805

Water quality

Canada. Environment Canada. Environmental Conservation and Protection Ser / Canada. Ecosystem Sciences and Evaluation Dir

OCLC:320965690

Cathy Keddy / J. C. Greene / M. A. Bonnell / Canada. Evaluation and Interpretation Branch / Canadian Council of Ministers of the Environment. Subcommittee on Environmental Quality Criteria for Contaminated Sites

UCR:31210025023258

Biological assay

OCLC:911674490

Canada. National Guidelines and Standards Office / Canada. Environment Canada

UIUC:30112063246885

Aquatic ecology

R. A. Kent / Canada. Eco-Health Branch

UCR:31210025023191

Herbicides

Cathy Keddy / J. C. Greene / M. A. Bonnell / Canada. Evaluation and Interpretation Branch / Canadian Council of Ministers of the Environment. Subcommittee on Environmental Quality Criteria for Contaminated Sites

UCR:31210025023258

Biological assay

Canada. Environment Canada / Canada. Health Canada

UOM:39015032190681

Medical

Canada. Environment Canada / Canada. Health Canada

UOM:39015032190574

Science

Canada. Ecosystem Sciences and Evaluation Directorate. Eco-health Branch

UIUC:30112059671682

Science

Sentar Consultants / Northern River Basins Study (Canada)

MSU:31293011907866

Science

Coastal Zone Canada Association

UCSD:31822020620092

Nature

Northern River Basins Study (Canada)

MINN:31951D016292028

Nature

R. A. Kent

UCR:31210025023225

Herbicides