SDS

Page 5
Preparation Date: 15 Sep 2017
Format: GHS Language: English (US)
WHMIS, OSHA HCS 2012
EXPOSURE LIMITS/GUIDELINES CONT’D
Silica, amorphous
TWAs
Not established Not established Not established Not established
2 mg/m3 TWA
(7631-86-9)
(respirable mass); 5
mg/m3 TWA (total
mass); 0.05 mg/m3
TWA (regulated
under Silica flour,
respirable mass);
0.15 mg/m3 TWA
(total mass, regulated
under Silica flour)
Quartz
TWAs
0.025 mg/m3 TWA
0.025 mg/m3 TWA
0.025 mg/m3 TWA
0.1 mg/m3 TWA
0.1 mg/m3 TWA
(14808-60-7)
(respirable fraction)
(respirable)
(respirable fraction)
(respirable fraction)
(respirable mass);
0.3 mg/m3 TWA (total
mass)
Portland Cement
TWAs
1 mg/m3 TWA
10 mg/m3 TWA (total
1 mg/m3 TWA
10 mg/m3 TWA
5 mg/m3 TWA
(65997-15-1)
(particulate matter
particulate matter
(particulate matter
(particulate matter
(respirable mass); 10
containing no
containing no
containing no
containing no
mg/m3 TWA (total
asbestos and <1%
Asbestos and <1%
Asbestos and <1%
Asbestos and <1%
mass)
crystalline silica,
Crystalline silica, total
Crystalline silica,
Crystalline silica)
respirable fraction)
particulate); 3 mg/m3
respirable fraction)
TWA (particulate
matter containing no
Asbestos and <1%
Crystalline silica,
respirable particulate)
Aluminum hydroxide
TWAs
1 mg/m3 TWA
1 mg/m3 TWA
1 mg/m3 TWA
Not established
Not established
(21645-51-2)
(respirable fraction)
(respirable)
(respirable fraction)
EXPOSURE LIMITS/GUIDELINES CONT’D
Result
Canada Nova
Canada Nunavut Canada Ontario Canada Quebec Canada Yukon
Scotia
Magnesium oxide
TWAs
10 mg/m3 TWA
10 mg/m3 TWA
10 mg/m3 TWA
10 mg/m3 TWAEV
10 mg/m3 TWA (fume,
(1309-48-4)
(inhalable fraction)
(fume, as Mg)
(inhalable)
(fume, as Mg)
as Mg)
STELs
Not established
20 mg/m3 STEL
Not established Not established
10 mg/m3 STEL (fume,
(fume, as Mg)
as Mg)
Calcium oxide
TWAs
2 mg/m3 TWA 2 mg/m3 TWA 2 mg/m3 TWA 2 mg/m3 TWAEV 2 mg/m3 TWA
(1305-78-8)
STELs
Not established 4 mg/m3 STEL Not established Not established 4 mg/m3 STEL
Titanium dioxide
TWAs
10 mg/m3 TWA
5 mg/m3 TWA
10 mg/m3 TWA (total
10 mg/m3 TWAEV
30 mppcf TWA (as
(13463-67-7)
(respirable mass); 10
dust)
(containing no
Ti); 10 mg/m3 TWA
mg/m3 TWA (total
Asbestos and <1%
(as Ti)
mass)
Crystalline silica,
total dust)
STELs
Not established
Not established
Not established
Not established
20 mg/m3 STEL (as Ti)
Iron oxide
TWAs
5 mg/m3 TWA
5 mg/m3 TWA
5 mg/m3 TWA
5 mg/m3 TWAEV
5 mg/m3 TWA (fume,
(1309-37-1)
(respirable fraction)
(respirable mass); 10
(respirable)
(dust and fume, as
as Fe2O3); 30 mppcf
mg/m3 TWA (total
Fe);10 mg/m3
TWA (regulated under
mass)
TWAEV (containing
Rouge); 10 mg/m3
no Asbestos and
TWA (regulated under
<1% Crystalline
Rouge)
silica, regulated
under Rouge, total
dust)
STELs
Not established Not established Not established Not established
10 mg/m3 STEL
(fume); 20 mg/m3
STEL (regulated under
Rouge)
Aluminum oxide
STELs
Not established 20 mg/m3 STEL Not established Not established
20 mg/m3 STEL
(1344-28-1)
(Al2O3)
TWAs Not established
10 mg/m3 TWA; 5
Not established
10 mg/m3 TWAEV
30 mppcf TWA
mg/m3 TWA
(containing no
(Al2O3); 10 mg/m3
(respirable mass); 10
Asbestos and <1%
TWA (Al2O3)
mg/m3 TWA (total
Crystalline silica,
mass)
total dust, as Al)
Allura™ Lap & Vertical Siding, Soffit, Shakes and Trim & Fascia Board, Fiber Cement Underlayment & BackerBoard