 | Title | | Report/Research Authors | Research Organization | |
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 | a. Air |
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| a. Air - Mobile Source |
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 | a. Air - Other |
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| Environmental Investments: The Cost of a Clean Environment, Report of the Administrator of the Environmental Protection Agency to the Congress of the United States. (11/01/1990) |  | | Environmental Protection Agency, Office of Policy, Planning and Evaluation, Science, Economics, and Statistics Division | |
| Hours of Work, Labor Productivity, and Environmental Conditions: A Case Study | | Crocker, Thomas D.
Horst, Jr., Robert L. | Wyoming, University of | |
| Survey of Environmental Products and Services (02/01/1998) | | | U.S. Department of Commerce, Census Bureau, Manufacturing and Construction Division, Special Studies Branch | |
| a. Air - Radiation |
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| a. Air - Stationary Source |
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| a. Air - Stratospheric |
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| b. Water |
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| b. Water - Groundwater |
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| b. Water - Surface |
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| c. Land - Other |
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| c. Land - Solid Waste/RCRA |
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| c. Land - Superfund/CERCLA |
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| d. Chemicals - Pesticides |
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| d. Chemicals - Toxic Substances |
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| e. Ecosystems |
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| g. Other |
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