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Results 1 - 10 from 45 for time weighted average in 0.516 sec.
Occupational health HFC-125
Occupational health HFC-125 HFC 125 (pentafluoroethane) An occupational exposure limit (8-hour time weighted average) of 1,000 ppm (4,910 mg/m³) is recommended by producers. Source: Joint Assessment ...
fluorocarbons.org
ESB > About Us > The National Grid > Electro Magnetic Fields (EMF) Health Concerns
Children concluded: "Our results provide little evidence that living in homes characterised by high measured time weighted average magnetic fields.... increase the risk of acute lymphoblastic leukemia in children" Interesting Facts The research ...
esb.ie
Terminology of the health effects of elements and compounds
An STEL is not a separate independent exposure limit, but supplements time-weighted average limits where there are recognized acute effects from a substance whose toxic effects generally ... . For example, one cannot be exposed to an STEL concentration if the TLV-TWA (time weighted average for an 8 hour shift; see Permissible Exposure Limit (PEL)) would be exceeded. Workers ...
lenntech.com
Certified Organic Clothing Labels: What Does It All Mean?
All natural fibers must be certified grown organically. At the present time, the use of chemical compounds in organic fiber processing cannot be completely eliminated, the types ... ) workplace regulations restrict workplace exposures to not exceed 0.75 PPM as an eight hour time weighted average and not to exceed 2 PPM short term exposure limit for 15 minutes. High levels ...
organicconsumers.org
Occupational health HFC-32
HFC-134a, and HFC-125. Typically, this level has been 1000 ppm as a time-weighted average (TWA) for an 8-hr day. 8-hr TWA : 1000 ppm (2200 mg/m3) Source ...
fluorocarbons.org
League for the Hard of Hearing
NIOSH (National Institute for Occupational Safety and Health) calculate safe exposure time by decreasing time in half for every 3 decibel increase. The NHCA (National Hearing Conservation Association) ... engineering and/or administrative controls and when noise exposures are at an eight-hour time-weighted average level of 85 dBA or more, OSHA's Hearing Conservation Amendment 29 CFR 1910. ...
lhh.org
NPC Library: Comments on Occupational Noise to the OSHA Standards Planning Committee
Hazardous levels of noise are defined here as time-weighted average levels of 85 dB(A) and above, although it is well known that some more ... not to issue citations for the absence of feasible engineering controls to companies where workers' time-weighted average exposure levels are 100 dB(A) or less, so long as these companies have "effective ...
nonoise.org
Time-Weighted-Average, Minimum, Maximum, Standard Deviation, Percent of Time in Six Different Exposure Ranges, and Cumulative Exposure Time are the principle quantities displayed (other quantities are ...
enertech.net
High Field EMDEX Mate provides a greater range. Time-Weighted-Average, Minimum, Maximum, Standard Deviation, Percent of Time in Six Different Exposure Ranges, and Cumulative Exposure Time are the principle quantities displayed (other quantities are ...
enertech.net
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Asbestos | Technology Transfer Network Air Toxics Web site | US EPA
American Conference of Governmental and Industrial Hygienists' threshold limit value expressed as a time-weighted average; the concentration of a substance to which most workers can be exposed ... 8- or 10-h time-weighted-average exposure and/or ceiling. OSHA PEL--Occupational Safety and Health Administration's permissible exposure limit expressed as a time-weighted average; the concentration of a ...
epa.gov
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