According to the National Institute for Occupational Safety and Health, the
recommended exposure limit for MEHQ is 5mg/m 3 for an 8-hour workday.
CO levels were obtained in multiple areas of the facility and reached a peak of 313 ppm (National Institute for Occupational Safety and Health ceiling
recommended exposure limit is 200 ppm) in an area of the facility with gas-burning fryers.
The National Institute for Occupational Safety and Health (NIOSH) has established an 8-hr, time-weighted average 85 dB(A)
recommended exposure limit to protect most workers from developing hearing loss from noise exposure over a 40-year career.
Endotoxins: health based
recommended exposure limit. A report of the Health Council of the Netherlands.
The National Institute for Occupational Safety and Health, which conducts research on workplace safety, has no
recommended exposure limit guidelines for nanomaterials, and the Occupational Safety and Health Administration has no permissible exposure limit specific to engineered nanomaterials.
The anaesthetist with the highest exposure would have exceeded the yearly
recommended exposure limit for pregnant women (1 mSv).
While the
recommended exposure limit of 0.5 parts per million in air will not change, she says, "we have, with this new information, a little more meat and potatoes" on where big exposures may occur.
By then, the American Council of Governmental Industrial Hygenists is expected to publish a revised
recommended exposure limit for wood dust.
The National Institute for Occupational Safety and Health has set a
recommended exposure limit of 350 mg/m3 over an 8-hour workday and 1,800 mg/m3 over 15 minutes.
Total heat stress was compared with the applicable NIOSH exposure limit (i.e., the
Recommended Exposure Limit for acclimatized healthy workers or the Recommended Alert Limit for workers who were unacclimatized or had personal risk factors).
Coal tar creosote exposures are regulated with an Occupational Safety and Health Administration (OSHA) permissible exposure limit (PEL) of 0.2 mg/[m.sup.3] 8-hr time-weighted average (TWA; benzene soluble fraction; OSHA 1986) and a National Institute for Occupational Safety and Health (NIOSH)
recommended exposure limit of 0.1 mg/[m.sup.3] TWA (NIOSH 2002).