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Accessibility for Individuals with Disabilities

EHP is committed to making the content of this website accessible to individuals with disabilities in accordance with Section 508 of the Rehabilitation Act (29 U.S.C. 794d), as amended in 1998. Under Section 508, all federal agencies must provide employees and members of the public with disabilities with equal access to electronic and information technology, comparable to the access available to those who do not have disabilities, unless to do so would impose an undue burden on the agency.

The Section 508 standards are the technical requirements and criteria that are used to measure conformance with this law. More information on Section 508 and the technical standards can be found at If you need help accessing a PDF document, Adobe® offers conversion tools at its Accessibly Resource Center. For help with Microsoft® products, visit the Accessibility in Microsoft Products page.

All final EHP content published on this site is available in at least one 508-conformant version (for instance, the HTML version of an article will be 508-conformant although the PDF version may not be). Advance Publications may not be fully accessible to individuals with disabilities. If you are unable to locate a 508-conformant version of the content you want on our site, please contact Dorothy L. Ritter, EHP Web Editor.

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