© 1999 Lockheed Martin Energy Research Corporation CA167 LEWISITE Stored only at Deseret Chemical Depot in Tooele, UT Causes immediate pain and redness.

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Presentation transcript:

© 1999 Lockheed Martin Energy Research Corporation CA167 LEWISITE Stored only at Deseret Chemical Depot in Tooele, UT Causes immediate pain and redness upon skin or eye contact –unlike sulfur mustards L

© 1999 Lockheed Martin Energy Research Corporation CA168 INHALATION EXPOSURE OF LEWISITE Vapor causes immediate irritation of upper respiratory tract May cause sneezing In severe cases, abnormal accumulation of fluid in lungs and seepage of fluid between layers of membrane lining chest cavity Mucous secretions are common and more likely

© 1999 Lockheed Martin Energy Research Corporation CA169 DIRECT CONTACT EXPOSURE WITH LEWISITE Liquid Lewisite causes immediate severe pain upon contact with eyes and skin Eyes can be severely damaged –immediate stinging pain –twitching of eye muscles –swelling of inner surface of eyelids and inflammation of iris may close eye within 1 hour –corneal damage may occur

© 1999 Lockheed Martin Energy Research Corporation CA170 DIRECT CONTACT EXPOSURE WITH LEWISITE Eye swelling subsides within hours Mild inflammation of eyelids may heal in few days without special treatment Severe exposure may cause permanent injury or blindness

© 1999 Lockheed Martin Energy Research Corporation CA171 DIRECT CONTACT EXPOSURE WITH LEWISITE Liquid Lewisite produces more severe skin lesions than sulfur mustard Blistering over entire exposed area follows skin reddening Deeper injury to connective tissue and muscles, greater blood vessel damage, more inflammation Dead, gray skin will be noted within minutes after contact with liquid or vapor

© 1999 Lockheed Martin Energy Research Corporation DIRECT CONTACT EXPOSURE WITH LEWISITE Pain is immediate –becomes deep and aching –itching and irritation persist for a day –blisters develop fully in 1/2 of time as sulfur mustard Systemic poison to liver and kidneys –at large doses Does not damage blood-producing tissues CA172

© 1999 Lockheed Martin Energy Research Corporation CA173 INITIAL FIRST AID TREATMENT FOR LEWISITE EXPOSURE Immediate decontaminate to avoid deep burns from liquid exposure BAL ointment antidote for Lewisite no longer manufactured