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520200 -- Environment
54 Environmental Sciences
9
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
9
Data
5
Environmental Effects
5
Information
5
Oil Spills
5
02 Petroleum
4
Arctic Regions
4
Experimental Data
4
North America
4
Numerical Data
4
Polar Regions
4
Aquatic Organisms
3
Data Forms
3
Nitrogen Compounds
3
Oxygen Compounds
3
Seas
3
Surface Waters
3
63 Radiation
2
Alaska
2
Ammonia
2
And Other Environ. Pollutant Effects On Living Orgs. And Biol. Mat
2
Animals
2
Aquatic-- Site Resource & Use Studies-- (-1989)
2
Biodegradation
2
Biological Effects
2
Carbonic Acid Derivatives
2
Chemical Reactions
2
Decomposition
2
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