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Natural environment
Related to any physical feature of the earth's natural environment.
17Categories 71833Terms
Add a new termContributors in Natural environment
Natural environment > Water 
exposure-response relationship
Natural environment; Water
The relationship between exposure level and the incidence of adverse effects.
extremely hazardous substances
Natural environment; Water
Any of 406 chemicals identified by EPA as toxic, and listed under SARA Title III. The list is subject to periodic revision.
electromagnetic geophysical methods
Natural environment; Water
Ways to measure subsurface conductivity via low-frequency electromagnetic induction.
eligible costs
Natural environment; Water
The construction costs for wastewater treatment works upon which EPA grants are based.
emap data
Natural environment; Water
Environmental monitoring data collected under the auspices of the Environmental Monitoring and Assessment Program. All EMAP data share the common attribute of being of known ...
emergency and hazardous chemical inventory
Natural environment; Water
An annual report by facilities having one or more extremely hazardous substances or hazardous chemicals above certain weight limits.
Sub-categories
- Air (43)
- Atmosphere (59)
- Climate (1147)
- Climate change (10457)
- Coral reefs (23903)
- Deserts (738)
- Earthquake (7143)
- Flood (34)
- Forests (37)
- Grassland (35)
- Land mass (144)
- Landslide (66)
- Mountains (203)
- Plateau (39)
- Speleology (1857)
- Volcano (5852)
- Water (18527)