- Fly Ash

SECTION 2: Hazards identification

EMERGENCY OVERVIEW=============================== CAUTION! – contact with wet skin may cause severe irritation. Eye contact can cause severe irritation or conjunctivitis. Inhalation of dust may irritate the throat or lungs. Long-term overexposure may reduce pulmonary function ==============================================================================

Principle Routes of Exposure

inhalation of dust . Eye and skin contact. Ingestion of dust Target organs: Eyes, skin, mucous membranes, lungs, kidney, liver and blood. Medical conditions: individuals with pre-existing conditions of emphysema or asthma may experience respiratory irritation from breathing dust. Skin conditions or dermatitis may be aggravated by contact with this material.

Potential health effects

Eye contact: contact with eyes may cause irritation resulting in conjunctivitis. Skin contact: prolonged contact may result in minor irritation, rash depending on the sulfur trioxide content. SO3 reacts vigorously with water to form hydrosulfurous acid. Ingestion: ingestion of this product may cause diarrhea or irritation of the mucous membranes of the mouth, throat, esophagus and stomach. Inhalation : Dust may cause respiratory irritation or fibrosingalveolitis. Acute / Chronic: Short term exposure can produce dermatitis, horny growths on the skin, conjunctivas, and diarrhea. Long term exposure to fly ash in extremely dusty environments ( above the OSHA PEL) may result in pathology of the nerves in the extremities, blood-forming effects such as anemia, gastrointestinal irritation and cancer of the skin , liver and lungs. Carcinogenicity NTP: No IARC: Yes (SO3)