ACKNOWLEDGMENTS
We are extremely grateful to the volunteer laboratories for their participation in this study. We would also like to acknowledge Research Triangle Institute (RTI International, Chapel Hill, NC) for spiking the Accu-caps for this research. This work was carried out under the auspices of a CDC/NIOSH National Occupational Research Agenda (NORA) exposure assessment project. We would also like to thank NIOSH internal reviewers for their assistance with this manuscript.
Mention of company names or products does not constitute endorsement by the Centers for Disease Control and Prevention. The findings and conclusions in this article are those of the authors and do not necessarily represent the views of the National Institute for Occupational Safety and Health.
Column Editor
Martin Harper