Specification
Version: 1.0
Revision Date: 03/28/2016
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Calcium Carbonate
(Limestone) -
Respirable fraction.
TWA 3 mg/m3 Canada. British Columbia OELs.
(Occupational Exposure Limits for
Chemical Substances, Occupational
Health and Safety Regulation 296/97,
as amended) (07 2007)
Calcium Carbonate
(Limestone) - Total
dust.
TWA 10 mg/m3 Canada. Quebec OELs. (Ministry of
Labor - Regulation Respecting the
Quality of the Work Environment) (12
2008)
Polyethylene -
Respirable fraction.
TWA 3 mg/m3 Canada. British Columbia OELs.
(Occupational Exposure Limits for
Chemical Substances, Occupational
Health and Safety Regulation 296/97,
as amended) (05 2013)
Polyethylene - Total
dust.
TWA 10 mg/m3 Canada. British Columbia OELs.
(Occupational Exposure Limits for
Chemical Substances, Occupational
Health and Safety Regulation 296/97,
as amended) (05 2013)
Polyethylene -
Respirable particles.
TWAEV 3 mg/m3 Canada. Ontario OELs. (Control of
Exposure to Biological or Chemical
Agents) (11 2010)
Polyethylene -
Inhalable
TWAEV 10 mg/m3 Canada. Ontario OELs. (Control of
Exposure to Biological or Chemical
Agents) (11 2010)
Polyethylene - Total
dust.
TWA 10 mg/m3 Canada. Quebec OELs. (Ministry of
Labor - Regulation Respecting the
Quality of the Work Environment) (11
2011)
Heavy aromatic
naphtha - Non-aerosol.
- as total hydrocarbon
vapor
TWA 200
mg/m3
Canada. British Columbia OELs.
(Occupational Exposure Limits for
Chemical Substances, Occupational
Health and Safety Regulation 296/97,
as amended) (05 2013)
Heavy aromatic
naphtha - Non-aerosol.
- as total hydrocarbon
vapor
TWAEV 200
mg/m3
Canada. Ontario OELs. (Control of
Exposure to Biological or Chemical
Agents) (11 2010)
Heavy aromatic
naphtha
TWA 400 ppm 1,590
mg/m3
Canada. Quebec OELs. (Ministry of
Labor - Regulation Respecting the
Quality of the Work Environment) (11
2011)
1,2,4-Trimethylbenzene TWA 25 ppm Canada. British Columbia OELs.
(Occupational Exposure Limits for
Chemical Substances, Occupational
Health and Safety Regulation 296/97,
as amended) (07 2007)
1,2,4-Trimethylbenzene TWAEV 25 ppm Canada. Ontario OELs. (Control of
Exposure to Biological or Chemical
A
g
ents
)
(
11 2010
)
1,2,4-Trimethylbenzene TWA 25 ppm 123
mg/m3
Canada. Quebec OELs. (Ministry of
Labor - Regulation Respecting the
Quality of the Work Environment) (12
2008)
4,4'-Methylene CEILING 0.01 ppm Canada. British Columbia OELs.