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F SECTION 5 — HEALTH HAZARD DATA I <br />PRIMARY ROUTES OF ENTRY: <br />Inhalation: Can irritate respiratory tract; long-term <br />exposure to respirable silica above the OEL may <br />produce silicosis in susceptible persons. <br />Ingestion: Possible, but very unlikely to occur in <br />sufficient quantities. <br />Skin and Eye Contact: Can dry and irritate the skin; <br />is not absorbed by skin. Can irritate eyes. <br />Hazardous: Is not considered hazardous. <br />CARCINOGEN LISTED IN: <br />NTP: Yes (Crystalline Silica)* <br />IARC Monograph: Yes (Crystalline Silica)* <br />OSHA: No <br />* Coal fly ash is not a listed carcinogen. Respirable crystalline silica from <br />occupational sources is listed as carcinogenic to humans (Groupl) by <br />IARC. NTP lists silica, crystalline (respirable) as a compound that may <br />reasonably be anticipated to be a carcinogen. Presence of crystalline <br />silica in respirable dust has not been established in this source. <br />HEALTH HAZARDS: <br />Acute: Fly ash may cause irritation to the respiratory tract, eyes, or the skin. Alkaline material; irritation may be <br />aggravated by the addition of moisture (sweat). <br />Chronic: Prolonged inhalation exposure may cause pulmonary fibrosis or chronic bronchitis. <br />Signs and Symptoms of Exposure: Irritation of eyes, skin, and respiratory system. <br />Medical Conditions Generally Aggravated by Exposure: May aggravate existing pulmonary condition if high dust <br />situation is created. Dusting conditions should not occur under normal use. <br />EMERGENCY FIRST AID PROCEDURES: <br />Eye Contact: Flush for 15 minutes with water. Seek medical care as needed to remove particles and treat scratched <br />cornea. <br />Skin Contact: Wash with mild soap and water. <br />Inhalation: Remove to fresh air; seek medical attention if respiratory symptoms (coughing, chest tightness, shortness <br />of breath) persist. <br />Ingestion: Rinse mouth out with water. Induce vomiting if significant quantities are ingested. <br />SECTION 6 — CONTROL AND PROTECTIVE MEASURES <br />Respiratory Protection: If airborne dust exposure approaches the TLV or PEL (Section 1), use half -mask or full -face <br />air purifying respirator equipped with NIOSH or MSHA-approved high efficiency filters for protection against <br />pneumoconiosis -producing dust. An airline respirator may be required where dust levels are extremely high. <br />Recommend use of a NIOSH or MSHA-approved mask or respirator for nuisance dusts whenever dust is created <br />below TLV or PEL. <br />Protective Gloves: Limit contact with skin. Use rubber or cloth gloves as necessary. <br />Eye Protection: Wear goggles or face shield as appropriate. Avoid contact lenses. <br />Ventilation to be Used: Keep dust levels below PEL. Use general and local exhaust ventilation and dust collection <br />systems to keep dust levels within acceptable limits. <br />Other Protective Clothing and Equipment: Protective clothing may be necessary under heavy dusting conditions. <br />Hygienic Work Practices: Do not allow dust to get into eyes, to be inhaled, to be swallowed, or to remain on skin if <br />irritation occurs. Minimize dusting. Practice good personal hygiene. Wash or shower after use. Launder clothes as <br />normal. <br />SECTION 7 PRECAUTIONS FOR SAFE HANDLING I LEAK PROCEDURES <br />Steps to be Taken If Material is Spilled or Released: Do not create unnecessary airborne dust. Avoid inhalation. Use <br />water mist to reduce dust. Provide ventilation as appropriate. Use personal protection: respiratory, skin, and eyes. <br />Waste Disposal Methods: Fly ash is not classified as a RCRA hazardous waste. Material can be disposed of as inert <br />solid in a permitted landfill. Follow applicable federal, state, and local rules. <br />Precautions to be Taken in Handling and Storage: Avoid dust inhalation. Use water and other available means to <br />minimize dusting. Use personal protection. Follow good housekeeping and personal hygiene practices. <br />Other Precautions and/or Special Hazards: Certain conditions (e.g. work in enclosed areas) could create over- <br />exposure to trace elements. These activities should be evaluated for compliance with applicable standards. <br />This MSDS has been prepared in accordance with the Hazard Communication Rule 29 CFR 1910.1200. Information herein is based on data considered to be <br />accurate as of date prepared. No warranty or representation, express or implied, is made as to the accuracy or completeness of this data and safety information. <br />No responsibility can be assumed by vendor for any damage or injury resulting from abnormal use, failure to adhere to recommended practices, or from any <br />hazards inherent in the nature of the product. <br />Prepared by Headwaters Resources <br />Corporate Office: 10653 S. River Front Parkway, Suite 300, South Jordan, UT 84095 <br />