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About Cal/OSHA
Permissible exposure limits (PELs) for airborne contaminants
2011 Meetings
General Industry Safety Orders
Chapter 4, subchapter 7,
Section 5155
PEL Project Substance Status List (as of 7/2012)
Priority list of substances to add or update in Section 5155 (as of 10/2010)
Policy and Procedure for the Advisory Committee Process for Permissible Exposure Limits (PEL) Updates to Title 8 Section 5155, Airborne Contaminants (as of 3/07) .pdf version
.doc version 
2011 HEAC and FAC Meetings Scheduled
Comments and questions about these meetings and substances should be emailed to Bob Barish bbarish@dir.ca.gov
December 8, 2011 16th meeting of the Health Expert Advisory Committee (HEAC)
This 16th HEAC meeting will be held in Oakland starting at 9:30 am and is an open public forum to be attended by HEAC members along with any interested parties. The meeting will be held in Room 2 on the 2nd floor of 1515 Clay St in Oakland. The substances listed below are planned for possible discussion:
- Aluminum metal and insoluble compounds (including oxide)
- Ethanol
- Hydrogen sulfide
- 4 phthalates [dibutyl phthalate (DBP), di(2-ethylhexyl)phthalate (DEHP), butyl benzyl phthalate (BBP), di-n-hexyl phthalate (DnHP)]
- Polyvinyl chloride (PVC) dust
- Trimellitic anhydride
- Vanadium pentoxide
In addition to the substances listed above, discussion is planned on review and planning for the PEL Project and consideration of Short Term Exposure Limits (see agenda below for full meeting plan).
The agenda below provides additional details on the meeting.
June 22, 2011 15th meeting of the Health Expert Advisory Committee (HEAC)
This 15th HEAC meeting will be held at 1515 Clay St, room 1304 in Oakland starting at 9:30 am and is an open public forum to be attended by HEAC members along with any interested parties. The substances listed below are planned for discussion.
- Arsine
- Cyclohexane
- Ethanol
- Gallium arsenide
- 4 phthalates [dibutyl phthalate (DBP), di(2-ethylhexyl)phthalate (DEHP), butyl benzyl phthalate (BBP), di-n-hexyl phthalate (DnHP)]
- Polyvinyl chloride (PVC) dust
- Vanadium pentoxide
March 23, 2011 14th meeting of the Health Expert Advisory Committee (HEAC)
This 14th HEAC meeting will be held at 1515 Clay St, room 1304 in Oakland starting at 9:30 am and is an open public forum to be attended by HEAC members along with any interested parties. The substances listed below are planned for discussion.
- Arsine
- 2-Butoxyethyl acetate
- Cyclohexane
- Gallium arsenide
- Hydrogen sulfide
- 3 phthalates [butyl benzyl phthalate, di(2-ethylhexyl)phthalate (DEHP), dibutyl phthalate]
- Polyvinyl chloride (PVC) dust
- n-Propanol
- Vanadium pentoxide
