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Current Methods for Life Cycle Analyses of Low-Carbon Transportation Fuels in the United States
Transportation is the largest source of greenhouse gas emissions in the United States, with petroleum accounting for 90 percent of transportation fuels. Policymakers encounter a …
Triangulation in Environmental Epidemiology for EPA Human Health Assessments
Human health risk assessments provide the basis for public health decision-making and chemical regulation in the United States. Three evidence streams generally support the …
Review of U.S. EPA's ORD Staff Handbook for Developing IRIS Assessments
The U.S. Environmental Protection Agency's (EPA) Integrated Risk Information System (IRIS) program develops human health assessments that focus on hazard identification and …
Guidance on PFAS Exposure, Testing, and Clinical Follow-Up
In thousands of communities across the United States, drinking water is contaminated with chemicals known as perfluoroalkyl and polyfluoroalkyl substances (PFAS). PFAS are used in …
Review of Fate, Exposure, and Effects of Sunscreens in Aquatic Environments and Implications for Sunscreen Usage and Human Health
Regular use of sunscreens has been shown to reduce the risk of sunburn and skin cancer, and slow photoaging of skin. Sunscreens can rinse off into water where people are swimming …