Divisions of Environmental Hazards and Health Effects (Dr Dignam) and Emergency and Environmental Health Services (Messrs Hodge and Nielsen and Dr Brown), National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia; Region 3 (Mss Pomales and Werner), Division of Community Health Investigations (Mr Grober and Ms Scruton), and Division of Toxicology and Human Health Studies (Mr Young), Agency for Toxic Substances and Disease Registry, Atlanta, Georgia; Philadelphia Department of Public Health, Philadelphia, Pennsylvania (Dr Newbern); and Region 3, Environmental Protection Agency, Philadelphia, Pennsylvania (Mr Kelly).
Correspondence: Timothy Dignam, PhD, MPH, Division of Environmental Hazards and Health Effects, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy, Mailstop F-60, Atlanta, GA 30341 ([email protected]).
The authors acknowledge the following persons for their contributions in planning and conducting this study. Without all of their effort, this endeavor would not have been possible: Kevin Chatham-Stevens, Rebecca D. Merrill, Oluwatosin Olaiya, Palak Raval-Nelson, Paulette Smith, Jennifer Van Skiver, Martha Stefaniak, Kimberly Brinker, Natasha Bagwe, Jonathan Cruz, Kerry Buchs, and Weston Solution Inc staff.The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention/the Agency for Toxic Substances and Disease Registry or the Environmental Protection Agency.Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Web site (http://www.JPHMP.com).