lead awareness

Information about lead awareness

Published on January 18, 2008

Author: Urania

Source: authorstream.com

Content

Lead Awareness Training:  Lead Awareness Training Training Requirements :  Training Requirements Required if you are exposed to lead at or above the action level or if you suffer from skin or eye irritation from lead. Includes: Specific job hazards from lead. Protective measures, engineering controls & work practices to be taken. Dangers of lead to your body. Accessibility to written program/regulations. Description of the medical surveillance program & medical removal program. What is Lead?:  What is Lead? Heavy metal at room temperature Bluish-gray Low melting point Pliable Corrosion resistant Can form lead compounds In what products was lead commonly used?:  In what products was lead commonly used? Gasoline (phase-out began 1980) Smelting Lead batteries (25-78% of all lead used in U.S.) Paints and coatings Solder Auto manufacturing Printing History :  History Late 1950’s – Paint manufacturers voluntarily reduced lead content of most paint for residential use. 1978 – CPSC limits paint for residential use to 600 ppm. Lead paint for non-residential use is still sold. Where is lead paint found?:  Where is lead paint found? Before 1950 Everywhere – inside and outside (all coatings) Between 1950-1960 Probably outside, may be inside Trims, doors, windows, kitchens, bathrooms, etc. Between 1960-1978 May be outside, less likely inside ***Before 1978 we assume lead!!! What is “lead paint”:  What is “lead paint” EPA/HUD/DHS Definition 1.0 mg/cm2 5000 ppm 0.5% Cal-OSHA Definition Any detectable amount Where could I find lead on campus? :  Where could I find lead on campus? Buildings on Campus & Year Built:  Buildings on Campus & Year Built Chicano House - 1963 Asian American House - 1965 Nautilus Center – 1965 Engineering and Auditorium – 1965 Kinesiology – 1962 Nordhoff Hall – 1963 Science 1 & 2 – 1960 Boiler House (old) - 1959 When is lead paint a “hazard”:  When is lead paint a “hazard” EPA Standard (March 2001) Paint of friction surface where dust below exceeds hazardous amount (next slide) Damaged paint on impact surface Chewable surface where evidence of teeth marks Any deteriorated lead-based paint (no size amount) Hazard???:  Hazard??? > 40μg/ft2 is considered lead contaminated dust Problem: Sanding 1 ft2 of paint with 1.0 mg/cm2 lead will result in 93,000 μg/ft2 lead in dust on floors Dry sanding “any detectible” lead will probably result in excess lead in dust Could I find lead outside of campus? :  Could I find lead outside of campus? If your home was built before 1978, it may contain lead based paint.  Hobbies: stained glass, home remodeling or painting, recreational target shooting, melting lead for fishing weights, lead glaze in ceramics. Non-occupational exposures: backyard scrap metal recycling, leaded crystal tableware, cookware, folk remedies, pica, mine tailings, beauty products (eye make up, certain hair dyes). Ways in which lead enters the body:  Ways in which lead enters the body Inhalation - Breathing lead fumes or dust. This is the most common route of entry in the workplace. Ingestion - Swallowing lead dust via food, cigarettes etc. Health Effects:  Health Effects Health Effects:  Health Effects During prolonged chronic exposure, many body systems can be affected by lead, including: brain, kidneys muscles, bones blood forming & reproductive systems  Reported acute health effects include flu-like illness, encephalophy, coma and death.  Health Effects:  Health Effects Health Effects:  Health Effects Health Effects:  Health Effects Health Effects:  Health Effects How is lead exposure measured? :  How is lead exposure measured? PEL:  You are allowed to be exposed up to the Permissible Exposure Limit established by OSHA of 50 ug/m3 based on an 8-hour time weighted average. Action Level: OSHA established an Action Level of 30 μg/m3 (micrograms per cubic meter of air) based on an 8 hour time weighted average.  Exposure Monitoring:  Exposure Monitoring Initial air monitoring & determination include employee complaints of symptoms which may be attributable to exposure to lead. If action level has been exceeded, then an air monitoring program is required. If exposed to lead, you must be notified in writing of the air monitoring results. If PEL is exceeded, you will be informed in writing of air monitoring results and a description of corrective actions to be taken. If exposure is between the AL and PEL, then exposure is checked every six months. If over the PEL, air monitoring is conducted every three months. Medical Surveillance Program :  Medical Surveillance Program Workers exposed to lead above the action level must be in a Medical Surveillance Program.  This includes: Blood tests for lead:  Blood Lead Level (BBL) and Zinc Protoporphyrin (ZPP). Does not include tissues or organ information. Medical examinations Removal from lead exposure if worker health is at risk (Medical Removal Protection) Chelation: Use of certain drugs to remove lead from the body.  Used only in severe cases of lead poisoning and only by a qualified MD. Medical Removal Protection (MRP):  Medical Removal Protection (MRP) MRP protects you when engineering & administrative controls, work practices and respirators have failed to provide protection. Temporary removal from regular job to a different job with significantly lower exposure. No loss of earnings, seniority, rights or benefits. Maximum 18 month period. Allows your body to naturally excrete the lead. Includes blood lead level criteria/schedules. Engineering Controls :  Engineering Controls Shrouded tools provide exhaust ventilation at the point where the dust is generated. High Efficiency Particulate Air (HEPA) filters on vacuums are capable of capturing very small dust particles with a 99.97% efficiency. Respiratory Protection :  Respiratory Protection Used when other types of controls are not sufficient to reduce lead exposure to below PEL.  Additional training is required to wear a respirator. PPE (Personal Protective Equipment) :  PPE (Personal Protective Equipment) Used to keep lead dust off your body and clothes Housekeeping/Work Practices :  Housekeeping/Work Practices Use exhaust ventilation to capture dust/fumes whenever possible; HEPA vacuum dust covered work surfaces; dry sweeping or compressed air is prohibited; wet methods may be used; Do not eat, drink, smoke or apply cosmetics in areas where lead is present; Wash hands and face after lead work; Wear protective clothing to avoid getting dust on your clothes and then bringing it home to spouse and children. Other stuff :  Other stuff Signage: Signs shall be posted if above the PEL WARNING LEAD WORK AREA POISON NO SMOKING OR EATING Record keeping: Exposure Monitoring: records must be maintained for 40 years or for duration of employment plus 20 years. Medical Surveillance: same as exposure monitoring Medical Removals: duration of employment

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