US Dept of Labor

Occupational Safety & Health AdministrationWe Can Help

# Federal Registers
1 2014 - 10/10/2014 - Chemical Management and Permissible Exposure Limits (PELs) - 79:61383-61438
2 2013 - 09/12/2013 - Occupational Exposure to Respirable Crystalline Silica; Proposed Rule - 78: 56273-56504
3 2012 - 07/06/2012 - 1,3-Butadiene Standard; Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements - 77: 40087-40088
4 2009 - 06/05/2009 - Submission for OMB Review: Comment Request - 74:27051-27052
5 2009 - 03/20/2009 - 1,3-Butadiene Standard; Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements - 74:11974-11975
6 2006 - 06/20/2006 - Submission for OMB Review: Comment Request - 71:35451
7 2006 - 02/24/2006 - Standard on 1,3-Butadiene; Extension of the Office of Management and Budget's Approval of Information Collection Requirements - 71:9607-9608
8 2003 - 05/30/2003 - Submission for OMB Review; Comment Request - 68:32547-32548
9 2003 - 03/11/2003 - Standard on 1,3-Butadiene; Extension of the Office of Management and Budget's (OMB) Approval of Information -- Collection (Paperwork) Requirements - 68:11592-11593
10 2000 - 09/15/2000 - Agency Information-Collection Activities; Announcement of Office of Management and Budget (OMB) Approvals. - 65:56007-56008
11 2000 - 04/06/2000 - Submission for OMB Review; Comment Request. - 65:18124-18125
12 2000 - 01/25/2000 - 1,3-Butadiene; Extension of the Office of Management and Budget's (OMB) Approval of Information Collection (Paperwork) Requirements - 65:3979-3980
13 1999 - 01/04/1999 - Washington State Standards; Notice of Approval. - 64:184-186
14 1997 - 02/07/1997 - Office of the Secretary; Submission for OMB Review;Comment Request - 62:5852-5853
15 1990 - 10/19/1990 - Extension of Comment Period and Change of Hearing Dates on Proposed Rule on Occupational Exposure to 1,3-Butadiene - 55:42406
16 1990 - 08/10/1990 - Proposed Rule and Notice of Hearing on Occupational Exposure to 1, 3-Butadiene (BD) - 55:32736-32826
# Standard Interpretations
1 1995 - 10/06/1995 - 8-hour total weight average (TWA) permissible exposure limit (PEL).
# Regulations (Standards - 29 CFR)
1 1910.1051 - 1,3-Butadiene.
# State Adoption Summary
1 Interlinked Information on State Plan Standards and Policies/Directives | Standard Summary Report Assigned Protection Factors for Respiratory Protection

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