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December 2013
NIOSH Docket Number 245-A, CDC-2013-0021

Chapter 6 and Chapter 8 section only from "Criteria for a Recommended Standard: Occupational Exposures to Diacetyl and 2, 3-pentanedione"

The National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention (NIOSH, CDC) is continuing the peer review process of the draft document entitled, Criteria for a Recommended Standard: Occupational Exposure to Diacetyl and 2,3-pentanedione. The entire criteria document has previously undergone external peer review and public comment from August 2011– May 2012. Information on this previous review can be found here: http://www.cdc.gov/niosh/docket/archive/docket245.html. We are seeking external review and public comment on two revised portions of this document, including a revised Chapter 6 and a new section of Chapter 8. Descriptions of the new content for these chapters are provided below for each of these chapters. This new content supports the conclusions in the draft criteria document so can be reviewed independently of the entire document.

For Chapter 6 – Quantitative Risk Assessment Based on Animal Data:

Overview of changes: After the previous peer review and public comment process was initiated, the National Toxicology Program released a new dataset on diacetyl and 2,3-pentanedione. Chapter 6, titled Quantitative Risk Assessment Based on Animal Data, has been updated to accommodate this new dataset. The new dataset and associated quantitative risk assessment of these animal data support the previous conclusions of the human risk assessment in the original draft document.

For Chapter 8 – GHS section:

Overview of changes: After the previous peer review and public comment process was initiated, the Occupational Safety and Health Administration (OSHA) promulgated a revised Hazard Communication Standard aligned with the Globally Harmonized System of Classification and Labeling of Chemicals (GHS). The new section of Chapter 8 includes classifications of these chemicals based on the OSHA GHS criteria. These classifications were added in response to some of the comments received during the public and peer review comment period for the draft criteria document. It is of note that this is the first time that a NIOSH document has provided GHS classifications that were derived by NIOSH. Though other NIOSH documents have previously published GHS classifications (e.g. NIOSH Skin Notations), those GHS classifications were derived by and cited from another authoritative body.

NIOSH considers the draft Criteria Document to be a highly influential scientific assessment (HISA) containing significant guidance as defined by the OMB Peer Review Bulletin and Good Guidance Practices Bulletin. The overall goal of the peer review and public comment process is to enhance the quality and credibility of NIOSH recommendations by ensuring that the scientific and technical work underlying these recommendations receives appropriate review by independent scientific and technical experts as well as public review. A listing of the external peer reviewers as well as the charge to peer reviewers can be found on the peer review agenda website: http://www.cdc.gov/niosh/review/peer/HISA/diacetyl-pr.html.

To view the notice and related materials, visit http://www.regulations.gov and enter CDC-2013-0021 in the search field and click "Search."


Federal Register Notice:
Federal Register Notice

Background Information:

Public Comment Period

Comments will be accepted until 5:00 p.m. EST on February 10, 2014.

Written comments, identified by CDC-2013-0021 and docket number NIOSH-245-A, may be submitted by any of the following methods:

  • Federal rulemaking portal: Follow the instructions for submitting comments.

    Instructions: All submissions received must include the agency name and docket number [CDC-2013-0021; NIOSH-245-A]. All relevant comments, including any personal information provided, will be posted without change to http://www.regulations.gov

  • Mail: NIOSH Docket Office
    Robert A. Taft Laboratories
    MS-C34
    4676 Columbia Parkway
    Cincinnati, OH 45226
 
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