Lead Paint Removal >> CONSTRUCTION BASICS OF A LEAD HEALTH

CONSTRUCTION BASICS OF A LEAD HEALTH & SAFETY PROGRAM All of the following protective measures areimportant for preventing work-related lead poisoning. Review each item and check the box if the statement is true for your workplace. Unchecked boxes may indicate problems that should be corrected, and possible violations of the Cal/OSHA lead in CONSTRUCTION BASICS OF A LEAD HEALTH construction standard (Title 8 CCR Section 1532.1). 

Identification of Lead Hazards and Employee Training If work involves disturbing paint or handling other lead materials on metal structures, buildings or pre-1978 housing, CONSTRUCTION BASICS OF A LEAD HEALTH the coatings are tested for lead (or assumed to contain lead) and all necessary precautions are taken. Employees are informed of the results. 

Material Safety Data Sheets and labels for all raw materials or products you use are reviewed, CONSTRUCTION BASICS OF A LEAD HEALTH to determine if they contain lead. Employees are informed of the hazards. All employees potentially exposed to lead dust, mist, or fumes are trained in the hazards of lead, how to protect themselves, and the worker protections required by the Cal/OSHA lead in construction standard. 

Employees exposed over 50 micrograms per cubic meter of air(ug/m3) while working on residences or public access buildings, CONSTRUCTION BASICS OF A LEAD HEALTH and their supervisors, have additional training and are state-certified (CA Dept of Public Health). Written notification to Cal/OSHA at least 24 hours before lead work begins. Exposure Controls Lead-free materials are substituted, and high exposure tasks are eliminated where possible. 

Airborne lead levels over 50 ug/m3 are reduced by using safer tools, CONSTRUCTION BASICS OF A LEAD HEALTH mechanical ventilation (e.g., HEPA vacuum), or changing work practices. The work area is kept as free as possible from lead contamination, through regular cleaning by safe methods (e.g., wet methods or vacuuming with a toxic dust HEPA vacuum). 

Dry sweeping is not done. Use vertical and horizontal containment to keep lead dust and paint chips inside work area, CONSTRUCTION BASICS OF A LEAD HEALTH dispose of lead waste properly, and leave the job site free of lead contamination. There is a written lead compliance program for reducing exposures over 50 ug/m3. Respirators Respirators are used to protect against airborne lead exposure during all disturbance of lead and related cleanup. 

The appropriate respirator is initially selected based on the task being performed and its assumed exposure level and CONSTRUCTION BASICS OF A LEAD HEALTH the assigned protection factor(APF) of the respirator. Air monitoring results are then consulted to ensure that adequate protection is being provided. 

A complete respirator program is in place where respirators are used, including: annual face seal fit-testing,regular face seal checking, training, medical determination of fitness for respirator wearing, and provisions for cleaning and CONSTRUCTION BASICS OF A LEAD HEALTH storage. Wash-up Facilities, Personal Hygiene, and Protective Clothing 

No eating, drinking, using tobacco products, or CONSTRUCTION BASICS OF A LEAD HEALTH applying cosmetics occurs in work areas where lead may be present. Clean protective work clothing (disposable or regularly laundered) and work shoes are provided to employees. They are not taken home from the job site. Wash-up facilities, with water, soap, and clean towels, are available and consistently used by workers to clean up before breaks and at the end of the shift. 

Showers are made available where feasible. Workers change their clothes and CONSTRUCTION BASICS OF A LEAD HEALTH shoes in a clean change area. Their street clothes/shoes are stored in a separate container from their work clothes/shoes. There is a clean area, away from the work area, for workers to take breaks and eat lunch. Medical Program 

A lead-specific medical program is in place and CONSTRUCTION BASICS OF A LEAD HEALTH under the supervision of a licensed physician who is knowledgeable about the Cal/OSHA lead in construction standard. Blood lead and zinc protoporphyrin (ZPP) testing are done at least every 2 months for the first 6 months and every 6 months after that for employees exposed to lead. 

[A more frequent monitoring schedule is recommended, e.g., at the start and finish of each major job and at least every 2 months in between.] Blood lead and ZPP results are provided in writing to employees within 5 days of receiving them from the laboratory. BLL and ZPP results are reviewed and, CONSTRUCTION BASICS OF A LEAD HEALTH where increases of 10 ug/dl or more are noted over time, protective measures are evaluated and improved as needed. 

Medical exams specific to the potential health effects of lead are provided to any employee with a blood lead level of 40 ug/dl or higher. Employees with blood lead levels of 50 ug/dl or CONSTRUCTION BASICS OF A LEAD HEALTH above are removed from further exposure to lead, and provided with alternate work or medical leave with full pay and benefits. 

The employee is removed from exposure until at least two consecutive monthly blood lead levels are below 40 ug/dl. Air Sampling Personal air sampling is conducted to determine the 8-hour average airborne lead exposure level for all employees potentially exposed to lead dust or CONSTRUCTION BASICS OF A LEAD HEALTH fumes. Employees are informed in writing of air sampling results representative of their airborne lead exposure within 5 days of receiving results from the lab. 

Air sampling is repeated when there is any significant change in materials, process, control, personnel, CONSTRUCTION BASICS OF A LEAD HEALTH or tasks that may result in higher employee exposure. When exposures are above the Action Level but below the Permissible Exposure Limit (PEL), air monitoring is repeated at least every six months. 

When exposures are above the PEL, air monitoring is repeated quarterly. In 1995, CONSTRUCTION BASICS OF A LEAD HEALTH OLPPP determined that painting contractors and general and remodeling contractors were largely still unaware of Cal/OSH's construction lead standard (Title 8 CCR 1532.1), which became effective in November 1993. 

Despite these regulatory actions, OLPPP found that contractors were not in compliance with nor educated in these areas. In general, these small business owners did not have lead safety programs to protect their employees, CONSTRUCTION BASICS OF A LEAD HEALTH employees' families, and building occupants from lead poisoning because of the disturbance of lead paint during construction work. 

Although they tend to be small (2 to 20 employees), there are thousands of painting and remodeling contractors across the state (16,000 licensed painting contractors in California alone; Contractors State Licensing Board, 1999); thus, CONSTRUCTION BASICS OF A LEAD HEALTH the total worker population is quite large. Given the large older housing stock in California (U.S. Bureau of the Census, 1992), there are many opportunities for occupants and workers to be exposed to lead paint (EPA, 1999). 

After working with San Francisco–based painting contractors and their employees in a 2-year intervention research project (Materna et al., 2002), OLPPP identified increasing lead safety awareness among painting and CONSTRUCTION BASICS OF A LEAD HEALTH remodeling contractors statewide as a high priority for the program. 

The intervention project titled the "California Painters Project" developed a number of industry-specific educational materials, CONSTRUCTION BASICS OF A LEAD HEALTH best practices, and messages that were then revised for statewide distribution through this broader effort.

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Ether enzyme, ferrochelatase, is also inhibited at low blood lead levels. Inhibition of ferrochelatase leads to increase free erythrocyte protoporphyrin (FEP) in the blood which can then bind to zinc to yield zinc protoporphyrin (ZPP). At a blood lead level of 50 µg/100 g or greater, nearly 100%   read more..

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