| Author | Title | | Research Organization |
| Igwe, Basil U.N. | Economic Analysis of Effluent Guidelines for the Asbestos Industry: Executive Summary (12/01/1974) | | Arthur D. Little, Inc. |
| Igwe, B.U.N. | Economic Analysis of Effluent Guidelines: The Textiles, Friction and Sealing Materials Segment of the Asbestos Product Manufacturing Industry (07/01/1975) |  | Arthur D. Little, Inc. |
| Ikuhu, Kochi | Economic Valuation of Mortality Risk Reduction: Assessing the State of the Art for Policy Applications (02/01/2002) |  | Abt Associates
Bethesda, MD 20814 |
| Irwin, William A. | Used Oil Law in the United States and Europe (07/01/1974) |  | Environmental Law Institute |
| Irwin, Julie R. | Field and Laboratory Experiments on the Reliability of the Contingent Valuation Method, a volume of Improving Accuracy and Reducing Cost of Environmental Benefit Assessments Series (09/01/1993) |  | Colorado, University of, Institute for Policy Research |
| Irwin, Julie R. | Methods for Measuring Non-use Values: A Contingent Valuation Study of Groundwater Cleanup, a volume in Innovative Approaches for Valuing Perceived Environmental Quality (10/01/1992) |  | Colorado, University of, Center for Economic Analysis |
| Irwin, Julie R. | Risk Communication for Superfund Sites: An Analysis of Problems and Objectives, a volume of Improving Accuracy and Reducing Costs of Environmental Benefit Assessments (09/01/1987) |  | Wyoming, University of, Institute for Policy Research |
| Irwin, Julie R. | Sources of Error in Contingent Valuation (12/01/1990) |  | Colorado at Boulder, University of, Department of Psychology and Center for Research on Judgment and Policy |
| Irwin, Julie R. | Valuing Eastern Visibility: A Field Test of the Contingent Valuation Method (09/01/1993) |  | Colorado at Boulder, University of |
| Irwin, William A. | Economic Disincentives for Pollution Control: Legal, Political and Administrative Dimensions (07/01/1974) |  | Environmental Law Institute |