General Industry Safety and Health Division 530 Allegan Street P.O. BOX 30644 LANSING, MICHIGAN 48909-8144 (517) 284-7750 (GISHD Fact Sheet #022 Revised 08/16/2016)
Page 2 Hair Straightening Products and Formaldehyde The AL is 0.5 ppm and it is also an employee exposure averaged over an eight-hour period. Employees exposed above this level must have ongoing air monitoring and be provided with medical surveillance. The STEL is 2 ppm. This is the average maximum exposure allowed during a 15-minute period. Employees exposed above this level must have ongoing air monitoring and be provided with medical surveillance. Other organizations have recommended even stricter exposure limits. The American Conference of Governmental Industrial Hygienists (ACGIH) has a recommended ceiling limit of 0.3 ppm. A ceiling limit is one that cannot be exceeded at any time during the workday. The National Institute for Occupational Safety and Health (NIOSH) has a recommended ceiling limit of 0.1 ppm. Educate and train employees All employees exposed to solutions containing greater than 0.1 percent formaldehyde or to formaldehyde air concentrations of 0.1 ppm, must receive training. The training must occur at the time of their initial job assignment and be repeated annually. It must also occur whenever a new exposure to formaldehyde is introduced into the work area. Training must include: Contents of the formaldehyde standard, Overview of a medical surveillance program Health hazards, signs, and symptoms of formaldehyde exposure, Immediately report to the employer any signs or symptoms of exposure, Operations where formaldehyde is present, Work practices and engineering controls, Purpose, use, and limitations of personal protective equipment (PPE), Proper handling of spills or emergency situations, Location and availability of all training materials.
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- Occupational safety and health, Permissible exposure limit, formaldehyde exposure, Purchase air