Search results
Results from the WOW.Com Content Network
The permissible exposure limit (PEL or OSHA PEL) is a legal limit in the United States for exposure of an employee to a chemical substance or physical agent such as high level noise. Permissible exposure limits were established by the Occupational Safety and Health Administration (OSHA). Most of OSHA's PELs were issued shortly after adoption of ...
Recommended exposure limit. A recommended exposure limit (REL) is an occupational exposure limit that has been recommended by the United States National Institute for Occupational Safety and Health. [1] The REL is a level that NIOSH believes would be protective of worker safety and health over a working lifetime if used in combination with ...
Exposure monitoring analyzes hazardous substances in the air or on surfaces of a workplace, and is complementary to biomonitoring, which instead analyzes toxicants or their effects within workers. A wide array of methods and instrumentation are used in workplace exposure monitoring. Direct-read instruments give immediate data, and include ...
Unsafe exposure to ammonia in refrigeration can irritate the respiratory tract, eyes, and nasal passages. At high levels, ammonia exposure may even be fatal,” said OSHA Area Director Todd Jensen ...
The threshold limit value (TLV) is a level of occupational exposure to a hazardous substance where it is believed that nearly all healthy workers can repeatedly experience at or below this level of exposure without adverse effects. Strictly speaking, TLV is a reserved term of the American Conference of Governmental Industrial Hygienists (ACGIH ...
Protective Action Criteria. In the United States, the Emergency Management Issues Special Interest Group (EMI SIG) state that " Protective Action Criteria (PACs) are essential components for planning and response to uncontrolled releases of hazardous chemicals. These criteria, combined with estimates of exposure, provide the information ...
Anhydrous ammonia “is essentially pure (over 99 percent) ammonia,” says the Occupational Safety and Health Administration (OSHA). Ammonia used in households is a diluted water solution that ...
An occupational exposure limit is an upper limit on the acceptable concentration of a hazardous substance in workplace air for a particular material or class of materials. It is typically set by competent national authorities and enforced by legislation to protect occupational safety and health. It is an important tool in risk assessment and in ...