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Page 8 of 11 Safety Data Sheet Specific target organ toxicity(repeated exposure): Product Not Classified Ingredient Category Route of Exposure 4W Target Organs Quartz(crystalline silica) Category 2 Inhalation Respiratory tract and kidneys Routes of exposure -Dermal contact, Eye contact, Inhalation, and Ingestion. Potential acute health effects: Eye contact:Causes serious eye damage. Inhalation: May cause respiratory irritation. Skin contact:Causes severe burns. May cause an allergic skin reaction. Ingestion: May cause burns to mouth,throat and stomach. Symptoms related to the Eye contact:Adverse symptoms may include the following: pain,watering,redness physical,chemical and Inhalation:Adverse symptoms may include the following: respiratory tract irritation,coughing toxicological characteristics: Skin contact:Adverse symptoms may include the following: pain or irritation, redness, blistering may occur,skin burns, ulcerations and necrosis may occur Ingestion:Adverse symptoms may include the following:stomach pains Delayed and immediate Short term exposure effects and also chronic Potential immediate effects:No known significant effects or critical hazards. effects from short and long Potential delayed effects: No known significant effects or critical hazards. term exposure: Long term exposure Potential immediate effects:No known significant effects or critical hazards. Potential delayed effects: No known significant effects or critical hazards. Potential chronic health effects: General:Repeated or prolonged inhalation of dust may lead to chronic respiratory irritation. If sensitized to hexavalent chromium, a severe allergic dermal reaction may occur when subsequently exposed to very low levels. Carcinogenicity:Quartz(crystalline silica)is considered a hazard by inhalation. IARC has classified Quartz(crystalline silica)as a Group 1 substance,carcinogenic to humans.This classification is based on the findings of laboratory animal studies(inhalation and implantation)and epidemiology studies that were considered sufficient for carcinogenicity. Excessive exposure to Quartz(crystalline silica)can cause silicosis,a non-cancerous lung disease. Mutagenicity: No known significant effects or critical hazards. Teratogenicity: No known significant effects or critical hazards. Developmental effects: No known significant effects or critical hazards. Fertility effects: No known significant effects or critical hazards. Numerical measures of toxicity: There are no data available-acute toxicity estimates. Section 12. Ecolonical Toxicity Persistence and degradability: There are no data available. Bioaccumulation potential: There are no data available. Mobility in soil: Soil/water partition coefficient(Koc):Not available. Other adverse effects: No known significant effects or critical hazards. Ecotoxicity: No recognized unusual toxicity to plants or animals DisposalSection 13.