Table 2.

Selected U.S. Milestones in the Evolution of Cumulative Risk Assessment for Health Effects from Exposure to a Combination of Chemical and Nonchemical Stressors.

Year	Milestone	Reference(s)
1997	U.S. Environmental Protection Agency (Science Policy Council): Guidance on Cumulative Risk Assessment	[54]
1997	Council on Environmental Quality (Executive Office of the President): Considering Cumulative Effects under the NEPA	[55]
2003	U. S. Environmental Protection Agency: Framework for Cumulative Risk Assessment	[3]
2004	National Environmental Justice Advisory Council (NEJAC): Ensuring Risk Reduction in Communities with Multiple Stressors	[15]
2007	Environmental Health Perspectives: collection of articles on cumulative risk assessment approaches	[4,7,61,62,63]
2009	National Research Council/National Academy of Sciences: Science and Decisions: Advancing Risk Assessment	[2]
2009	New Jersey Department of Environmental Protection: A Preliminary Screening Method to Estimate Cumulative Environmental Impacts	[26]
2010	California Environmental Protection Agency: Cumulative Impacts: Building a Scientific Foundation	[27]
2010	National Environmental Justice Advisory Council (NEJAC): Nationally Consistent Environmental Justice Screening Approaches	[28]
2010	Journal of Exposure Science and Environmental Epidemiology: collection of articles on cumulative risk assessment methods	[64,65,66]
2011	International Journal of Environmental Research & Public Health: collection of articles on cumulative health risk assessment	[22,23,29,67,68,69,70,71]
2011	International Life Sciences Institute, Risk Assessment in the 21st Century (RISK21) Project, Cumulative Risk Project Area	[72]