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Letter to All Interested Parties

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Issue Date: October 20, 2006

From: William A. Hoffman, Chief, Policy and Standards Development Branch, National Personal Protective Technology Laboratory

Subject: Time extension to submit comments on the Closed-Circuit Escape Respirators (CCER) Concept Requirements

Due to the comments and responses received during the Public Meetings on the Concept Requirements for Closed-Circuit Escape Respirators, the National Institute for Occupational Safety and Health (NIOSH) has elected to extend the deadline until Thursday, November 30, 2006 to submit comments to the NIOSH Docket Office on this subject matter.

Reference Docket #NIOSH 05 for all submissions related to this topic.

Interested persons or organizations are invited to participate in this rulemaking by submitting written views, arguments, recommendations, and data. Comments are invited on any topic related to this proposal.

Comments submitted by e-mail or mail should be addressed to the “NIOSH Docket Officer” and should identify the author(s), return address, and a phone number, in case clarification is needed. Comments can be submitted by e-mail If submitting comments by e-mail, they may be provided as e-mail text or as a Word or Word Perfect file attachment.Printed comments can be sent to the NIOSH Docket Office at: NIOSH Docket Office, Robert A. Taft Laboratories, MS-C34, 4676 Columbia Parkway, Cincinnati, OH 45226. All communications received on or before the closing date for comments will be fully considered by CDC.

All comments submitted will be available for examination in the rule docket (a publicly available repository of the documents associated with the rulemaking) both before and after the closing date for comments. A complete electronic docket containing all comments submitted will be available over the Internet on the NIOSH National Personal Protective Technology Laboratory (“NPPTL”) Web page:, at the “CCER” link, or comments will be available in writing by request. NIOSH includes all comments received without change in the docket, including any personal information provided. The U.S. Government's Official Web PortalDepartment of Health and Human Services
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