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Toxic & Hazardous Substances 13 Carcinogens. Nature of carcinogenic hazards. Local toxicity System toxicity Potential carcinogenic substances in our operations. 1a. Operations that could result in exposure. Isolated systems Closed-system operation Open-vessel system operations
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Nature of carcinogenic hazards • Local toxicity • System toxicity • Potential carcinogenic substances in our operations 1a
Operations that could result in exposure • Isolated systems • Closed-system operation • Open-vessel system operations • Regulated areas 2a
Medical surveillance • Medical surveillance covers: • Employees considered for assignment to regulated areas • Authorized employees 3a
Medical surveillance • Pre-assignment physical examination • Personal history of employee • Family and occupational background • Genetic and environmental factors 3b
Medical surveillance • Authorized employees receive annual exams • Conditions of increased risk • Physical problems • Pregnancy • Cigarette smoking 3c
Medical surveillance • Records • Available to employees • Special medical surveillance given within 24 hours for employees present in potentially affected areas at the time of an emergency 3d
Applicable work procedures • Employees must wash hands, forearms, face, neck: • Upon each exit from regulated areas • If close to the point of exit • Before engaging in other activities 4a
Operations involving laboratory-type hoods or closed systems • Only authorized employees may enter • Maintain continuous local exhaust ventilation • Wear proper PPE 4b
Operations involving laboratory-type hoods or closed systems • Use an appropriate respirator • Remove and leave protective clothing and equipment at point of exit • Place clothing in impervious containers at end of day 4c
Applicable work procedures • In regulated areas: • Drinking fountains are prohibited • Don’t store or consume food • Don’t store or use cosmetics • Don’t smoke or chew tobacco products 4d
Decontamination practices • Maintain negative pressure in regulated areas • Replace air removed with clean makeup air • Establish decontamination procedures to remove carcinogens 5a
Decontamination practices • Dry sweeping and dry mopping is prohibited • Wear clean, impervious garments • Gloves • Boots • Respirator 5b
Decontamination practices • Be decontaminated before removing protective garments • Shower upon removing protective garments 5c
Emergency practices and purposes • Immediately evacuate affected areas • Eliminate hazardous conditions before resuming normal operations • Institute special medical surveillance 6a
Emergency practices and purposes • Shower if exposed to carcinogen • Emergency deluge showers 6b
Employee’s role in emergency procedures • Know how to respond to an emergency • Emergency plans minimize injury/illness 7a
Recognize and evaluate conditions of chemical release • Post and maintain signs in regulated areas: 8a
Recognize and evaluate conditions of chemical release • Post signs in maintenance and decontamination areas: 8b
Recognize and evaluate conditions of chemical release • Follow the requirements of the signs • Report faded, missing, illegible signs 8c
Recognize and evaluate conditions of chemical release • Labels are required on all containers: 8d
Recognize and evaluate conditions of chemical release • Label containers with a generic or proprietary name of the carcinogen and the percent if: • Handled by, and accessible to only authorized employees 8e
Recognize and evaluate conditions of chemical release • Label containers with the Chemical Abstracts Service Registry if: • Handled by, and accessible to anyone else • Additional label information must be given if the contents are corrosive or irritating 8f
Emergency procedures • Required emergency procedures are posted • Be familiar with procedures • Rehearse their application 9a
First aid procedures and practices • Keep certifications current • Red Cross • American Heart Association • Insurance provider 10a
First aid procedures and practices • Training is tailored to specific needs • Comply with bloodborne pathogens standard 10b