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Publication: December 2005, update
October 2009. For information about changes, please see the
Revision History.
Chapter 6: Confined Space
This chapter describes requirements for confined spaces, classified as
non-permit-required (NPRCS) and permit-required (PRCS). As confined spaces
may pose a serious risk to those who enter or work in them, confined-space
entry and work are governed by rules to ensure worker safety.
View the entire chapter in a PDF format.
Please use the pdf for printing.
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