Specification

Version: 1.1
Revision Date: 01/16/2020
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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), as amended (09 2017)
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 - Inhalable
fraction.
TWA
10 mg/m3
Canada. Ontario OELs. (Control of Exposure to
Biological or Chemical Agents), as amended
(06 2015)
Polyethylene - Respirable
fraction.
TWA
3 mg/m3
Canada. Ontario OELs. (Control of Exposure to
Biological or Chemical Agents), as amended
(06 2015)
Polyethylene - Total dust.
TWA
10 mg/m3
Canada. Quebec OELs. (Ministry of Labor -
Regulation Respecting the Quality of the Work
Environment), as amended (09 2017)
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
TWA
200 mg/m3
Canada. Ontario OELs. (Control of Exposure to
Biological or Chemical Agents), as amended
(11 2010)
Heavy aromatic naphtha
TWA
525 mg/m3
Canada. Ontario OELs. (Control of Exposure to
Biological or Chemical Agents), as amended
(11 2010)
4,4'-Methylene
bis(phenylisocyanate)
CEILING
0.01 ppm
Canada. British Columbia OELs. (Occupational
Exposure Limits for Chemical Substances,
Occupational Health and Safety Regulation
296/97, as amended) (07 2007)
TWA
0.005 ppm
Canada. British Columbia OELs. (Occupational
Exposure Limits for Chemical Substances,
Occupational Health and Safety Regulation
296/97, as amended) (07 2007)
4,4'-Methylene
bis(phenylisocyanate)
TWA
0.005 ppm
Canada. Ontario OELs. (Control of Exposure to
Biological or Chemical Agents), as amended
(06 2015)
CEV
0.02 ppm
Canada. Ontario OELs. (Control of Exposure to
Biological or Chemical Agents), as amended
(06 2015)