HA90

SECTION 2: Hazards identification

Emergency Overview: No unusual fire or spill hazard. Dust may be irritating to skin, eyes, and mucous membranes. Primary Route(s) of Entry for Particulate Eye Yes Skin Yes Inhalation Yes (sawing and tear out operations) Ingestion: No Potential Adverse Health Effects: Acute: Eye: Dust of this Product may be irritating. Skin: May dry/chap skin. Inhalation: Dust of this product may be irritating to respiratory tract. Chronic: Eye: None known Skin: None known Inhalation: Prolonged or repeated inhalation of dusts of this product in excess of the stated PEL or TLV may cause lung disease (Silicosis). According to the International Agency for Research on Cancer (IARC), there is sufficient evidence in humans for the carcinogenicity of inhaled crystalline silica in the form of quartz or cristobalite from occupational sources. Carcinogenicity: Crystalline silica inhaled in the form of quartz or cristobalite from occupational sources is carcinogenic to humans (Group 1, IARC, NTP). California Proposition 65: This product contains crystalline silica, a chemical known to the State of California to cause cancer. Signs and Symptoms of Overexposure: Coughing can result from overexposure to dust.

Medical Conditions Generally Aggravated by Exposure

Particles Pre-existing diseases or other conditions of the lungs, skin, eyes, and mucous membranes.