data includes human health survey data, linked records of chemical measures and measures of water quality. This dataset is not publicly accessible because: EPA cannot release personally identifiable information regarding living individuals, according to the Privacy Act and the Freedom of Information Act (FOIA). This dataset contains information about human research subjects. Because there is potential to identify individual participants and disclose personal information, either alone or in combination with other datasets, individual level data are not appropriate to post for public access. Restricted access may be granted to authorized persons by contacting the party listed. It can be accessed through the following means: Upon request to Tim Wade (wade.tim@epa.gov). Format: Data are stored in SAS datasets with documented codebooks.

This dataset is associated with the following publication: Napier, M., C. Poole, J. Stewart, D. Weber, S. Glassmeyer, D. Kolpin, E. Furlong, A. Dufour, and T. Wade. Exposure to human-associated chemical markers of fecal contamination and self-reported illness among swimmers at recreational beaches. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, USA, 52(13): 7513-7523, (2018).