TREMCO-USG SECUROCK .25" X 4" X 4"

SECTION 2: Hazards identification

Emergency Overview Tan. Solid. May cause slight irritation to the respiratory system. Leave area to breathe fresh air. Avoid further overexposure. If symptoms persist, get medical attention. Acute Potential Health Effects/ Routes of Entry Inhalation May cause slight irritation to the respiratory system. Eyes May cause mechanical irritation or abrasion. Direct contact may cause temporary redness and discomfort. Ingestion Not applicable under normal conditions of use. Skin May cause mild irritation.

Medical Conditions Generally Aggravated by Exposure

Pre-existing eye, skin and respiratory disorders may be aggravated by exposure.

Potential chronic health

Inhalation of crystalline silica (quartz) can cause cancer based on animal data, and IARC concludes sufficient evidence in humans (Group 1). Prolonged and repeated overexposure to free crystalline silica dust above the TLV level may cause scarring of the lungs with cough and shortness of breath. A delayed lung injury, silicosis may result from breathing free silica. Fillers are encapsulated and not expected to be released from product under normal conditions of use. Target Organs: Skin, Eye, Lung SECTION 3 - PRODUCT COMPOSITION Chemical Name CAS-No. Weight % Calcium salt 13397-24-5 > 60.0 Inert Filler NJ TSRN# 51721300-5013P 5.0 - 10.0 Crystalline Silica (Quartz)/ Silica Sand 14808-60-7 3.0 - 7.0