Cold Patch Asphalt

SECTION 2: Hazards identification

WHMIS 2015 Classified according to Canada’s Hazardous Products Regulations (WHMIS 2015).

2.1 Classification of the substance or mixture

Acute toxicity (Inhalation) Category 4 Skin Irritation Category 3 Eye Irritation Category 2B Carcinogenicity Category 2

2.2 Label elements

WARNING Hot product can cause burns. Eye Harmful if swallowed Gloves Protection Harmful in contact with skin Harmful if inhaled Causes mild skin irritation Causes eye irritation Product may release Hydrogen Sulfide (H2S) gas. Apron Use proper engineering controls, work practices, and personal protective equipment. Read SDS for details.

2.3 Other hazards

Cold patch asphalt is a dark brown to black colored mixture of gravel, rock, sand and asphalt cement that has a petroleum odor. Hot product will cause severe thermal burns. If burned by hot product, cool affected area immediately with flowing cool water. Seek medical attention. This product may release toxic hydrogen sulfide (H2S), particularly if heated. Skin contact on repeated or prolonged basis can cause drying of the skin which may result in irritation or dermatitis. Cold patch asphalt is not listed as a carcinogen by IARC or NTP, some components of the product are. The International Agency for Research on Cancer (IARC) has concluded that occupational exposures to oxidized asphalt and their emissions during roofing operations are “probably carcinogenic to Humans (Group 2A). IARC concluded that occupational exposures to hard asphalt and their emissions during mastic asphalt work are “possibly carcinogenic to humans” (Group 2B). This product contains trace amounts of crystalline silica. Cutting, crushing or grinding hardened asphalt or other crystalline silica-bearing materials will release respirable crystalline silica. Prolonged or repeated inhalation of respirable crystalline silica from this product can cause silicosis, a seriously disabling and fatal lung disease.