Erratum: “Global Trade Tradeoff: Rickettsial Disease in Taiwan” [120(12):A456 (2012)]

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Erratum: “Global Trade Tradeoff: Rickettsial Disease in Taiwan” [120(12):A456 (2012)]

Publisher
National Institute of Environmental Health Sciences
Volume
121
Issue
4
Identifiers
DOI: 10.1289/ehp.121-a113a
Keywords
  • Correspondence

Abstract

Correspondence Environmental Health Perspectives • volume 121 | number 4 | April 2013 A 113 Erratum: Perfluorooctanoic Acid Concentrations for Participants in the C8 Health Project [119(12):1760–1765 (2011)] http://dx.doi.org/10.1289/ehp.1306804 In “Retrospective Exposure Estimation and Predicted versus Observed Serum Perfluorooctanoic Acid Concentrations for Participants in the C8 Health Project” (Shin et al. 2011b), we reported estimates of historical perfluoro octanoic acid (PFOA) exposures and serum concentrations for 45,276 non occupationally exposed partici- pants in the C8 Health Project who con- sented to share their residential histories. We recently discovered an inconsistency in our estimates of historical water concen- trations for some of these participants. For four public water districts (Belpre, Little Hocking, New Lubeck, and Tuppers Plains), the water concentrations used to estimate exposures and predicted serum concentrations were not consistent with water concentration estimates we reported in another article, “Environmental Fate and Transport Modeling for Perfluorooctanoic Acid Emitted from the Washington Works Facility in West Virginia” (Shin et al. 2011a). Th e diff erence in water concentra-The diff erence in water concentra-iff erence in water concentra-fference in water concentra- tion estimates slightly affects our estimates of PFOA exposures and serum concentrations. The Spearman’s rank correlation coefficient (rS) between updated serum estimates and the originally reported values is 0.996. A cohort follow-up also resulted in the addition of 118 new partici pants (all who had provided consent), as well as the removal of 1,945 participants who had been newly identified as having historical occupational exposure to PFOA. Updated summary sta- tistics comparing predicted and observed serum concentrations are shown in Table 1. Among all participants (n = 43,449), updated serum PFOA concentration predictions are largely simil

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