SDS

GAF SDS # 2225
Page 3 of 8
evidence of carcinogenicity in experimental animals for extracts
and fume condensates of oxidized asphalts.
NIOSH has concluded that the collective data from human, animal,
genotoxicity and exposure studies provide sufficient evidence that
roofing asphalt fumes are a potential occupational carcinogen.
SECTION 3: COMPOSITION/INFORMATION ON INGREDIENTS
OCCUPATIONAL EXPOSURE LIMITS
CHEMICAL NAME
CAS #
% (BY WT)
OSHA
ACGIH
OTHER
Asphalt Bitumen,
not cut back.
8052-42-4
60-80
NE
0.5 mg/m3
(inhalable
fraction, as
benzene-soluble
aerosol)
5 mg/m3 –
ceiling (15
min. fumes)
Stoddard Solvent
8052-41-3
20-25
500 ppm
100 ppm
NE
Solvent Naphtha
64742-95-6
5-10
100 ppm
400 ppm
NE
NE = Not Established
SECTION 4: FIRST AID MEASURES
FIRST AID PROCEDURES
EYES:
Flush with large amounts of water. Consult a physician.
SKIN:
Clean affected area with a waterless hand cleaner, then wash area
thoroughly with soap and water. If redness, etc. persists, consult a
physician.
INHALATION:
Remove person from area. If breathing is difficult, administer oxygen. If
breathing has stopped, give artificial respiration. Seek immediate
medical aid.
INGESTION:
Do not induce vomiting. Consult a physician immediately.
NOTES TO PHYSICIANS OR
FIRST AID PROVIDERS:
Treat systematically.
SECTION 5: FIRE FIGHTING PROCEDURES
SUITABLE EXTINGUISHING MEDIA:
Foam, Dry chemical, CO
2
– Do not use a direct water stream.
HAZARDOUS COMBUSTION PRODUCTS:
CO and CO2.