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Guidelines and Recommendations
CDC Guidelines and Recommendations are updated by various CDC centers and institutes in response to new scientific discoveries, to public health issues, and to disease outbreaks. Items in this collection may have been superceded or replaced. For the most up to date information, please visit the CDC home page at https://www.cdc.gov/ and search the Health Topic or Outbreak you are interested in.
National Institute for Occupational Safety and Health
1977/04/01
This report presents the criteria and the recommended standard based thereon which were prepared to meet the need for preventing impairment of health from acute and chronic effects of exposure to fibrous glass. The acute effects include skin, eye, and respiratory tract irritation. Chronic effects include bronchiolar impairment, fibrosis, and carcin
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National Institute for Occupational Safety and Health
1977/03/01
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NIOSH Numbered Publications
This report presents the criteria and the recommended standard based thereon which were prepared to meet the need for preventing occupational disease and injury arising from workplace exposure to pentane (109660), hexane (110543), heptane (142825), or octane (111659). The standard is based on the conclusion that acute intoxication by these alkanes
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National Institute for Occupational Safety and Health
1977/03/01
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NIOSH Numbered Publications
The NIOSH standard of a 2ppm exposure limit to halogenated anesthetics and 25ppm of nitrous-oxide (10024972) is given as well as recommendations for control procedures and work practices, medical surveillance, labeling and posting, fire and explosion hazards, and sanitation practices, educating employees, monitoring and recordkeeping. In addition,
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The known hazards of nickel carbonyl are reviewed and recommendations are made for control measures in occupational environments. Human effects resulting from accidental exposure to nickel carbonyl include pulmonary edema, interstitial pneumonitis, reduced lung capacity, heart disorders, liver enlargement, and in severe exposure cases, death. In an
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National Institute for Occupational Safety and Health
1977/01/01
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NIOSH Numbered Publications
A NIOSH standard for worker exposure to carbon-tetrachloride (56235) is reviewed. Control of air concentrations in the workplace so they do not exceed 2 parts per million (ppm) in 45 liters is discussed. Medical requirements of the standard, including preplacement and annual physicals, counseling regarding use of alcohol and barbiturates, and the m
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National Institute for Occupational Safety and Health
1976/12/01
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NIOSH Numbered Publications
Based on an updated review of the available information on the health effects of exposure to asbestos, NIOSH proposes a new numerical exposure limit amounting to 100,000 asbestos fibers less than 5 micrometers long per cubic meter of air. This recommended standard is intended to protect against the noncarcinogenic effects of asbestos, to materially
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National Institute for Occupational Safety and Health
1976/12/01
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NIOSH Numbered Publications
This criteria document presents recommended standards for occupational exposure to formaldehyde (50000). Criteria presented are designed to protect against injury from formaldehyde; allow measurement by valid, reproducible procedures available to industry and official agencies; and be attainable by using existing technology. Sources of formaldehyde
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National Institute for Occupational Safety and Health
1976/12/01
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NIOSH Numbered Publications
This report presents the criteria and the recommended standard based thereon which were prepared to meet the need for preventing occupational disease or injury arising from exposure to 1,1,2,2- tetrachloroethane (79345). The recommendations for the standard include sections on environmental, medical, labeling and posting, personal protective equipm
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National Institute for Occupational Safety and Health
1976/12/01
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NIOSH Numbered Publications
This report presents the criteria and recommended standard based thereon which were prepared to meet the need for preventing occupational diseases arising from exposure to boron trifluoride and resultant mists. The biological effects of exposure are reviewed including effects on humans, epidemiological studies, and animal toxicity. Tables are prese
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National Institute for Occupational Safety and Health
1976/11/01
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NIOSH Numbered Publications
The criteria and the recommended standard based thereon prepared to meet the need for preventing occupational disease or injury arising from exposure to organotins. The proposed standard applies only to workplace exposure to organotins arising from the processing, manufacture, or use of the substances as applicable under the Occupational Safety and
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National Institute for Occupational Safety and Health
1976/10/01
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NIOSH Numbered Publications
Recommended criteria for a standard intended to protect the health of workers against exposure to hydrogen-cyanide (74908) and cyanide salts, especially sodium-cyanide (13998033), potassium-cyanide (151508) and calcium-cyanide (592018), for up to a 10-hour work shift, 40-hour work week, over a working lifetime. Occupational exposure to these compou
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National Institute for Occupational Safety and Health
1976/10/01
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NIOSH Numbered Publications
Recommended criteria for a standard intended to protect the employees against exposure to acrylamide (79061) in the workplace for up to a 10-hour work shift, 40-hour work week, over a working lifetime. Occupational exposure to acrylamine, because of systemic effects and dermal irritation produced by contact with acrylamide, is defined as work in an
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National Institute for Occupational Safety and Health
1976/09/01
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NIOSH Numbered Publications
The criteria and the recommended standard based thereon prepared to meet the need for preventing occupational diseases arising from exposure to carbaryl (63252) are presented. Occupational exposure to carbaryl is defined as exposure to airborne carbaryl, the 1- naphthyl ester of N-methylcarbamic-acid or 1-naphthyl-N- methylcarbamate, at concentrati
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National Institute for Occupational Safety and Health
1976/09/01
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NIOSH Numbered Publications
The criteria and recommended standard prepared to meet the need for preventing occupational diseases arising from exposure to methyl- parathion are presented. The proposed standard applies only to the manufacture, formulation, application, or other occupational exposure to methyl-parathion (298000) as applicable under the Occupational Safety and He
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National Institute for Occupational Safety and Health
1976/09/01
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NIOSH Numbered Publications
These criteria and the recommended standard apply to exposure of employees to solid, liquid, or gaseous 3-chloro-1,2-epoxypropane, hereafter referred to at "epichlorohydrin include 1-chloro-2,3-epoxypropylene oxide, gamma-chloropropylene oxide, 3-chloro-1,2-propylene oxide, 2-chloromethyl-oxirane, alpha epichlorohydrin, epichlorohydrin, and epichlo
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National Institute for Occupational Safety and Health
1976/09/01
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NIOSH Numbered Publications
The recommended standards include an exposure limit of 1.0 ppm as a time-weighted concentration for up to 10-hour work shift in a 40-hour work week, with a ceiling concentration of 3.0 ppm for 15 minutes. Provisions are included for sampling, collection, analysis, pre-employment medical examination, periodic examinations, first-aid, medical records
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National Institute for Occupational Safety and Health
1976/08/01
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NIOSH Numbered Publications
The NIOSH standard on exposure to cadmium (7440439) in the workplace is presented. The standard is designed to protect the health and safety of workers up to a 10 hour workday, 40 hour week, over a working lifetime. A time-weighted average (TWA) exposure concentration of 40 micrograms of cadmium per cubic meter of air for a 10 hour working day (200
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National Institute for Occupational Safety and Health
1976/08/01
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NIOSH Numbered Publications
The update criteria and recommendations for a revised benzene standard to that of August 1976 are given. NIOSH considers the accumulated evidence from clinical as well as from epidemiologic data to be conclusive at this time that benzene is leukemogenic. Because it causes progressive, malignant disease of the blood- forming organs, NIOSH recommends
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National Institute for Occupational Safety and Health
1976/08/01
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NIOSH Numbered Publications
The recommended standards include an exposure limit of 10,000 ppm (1 percent) as a time-weighted average concentration for up to a 10- hour work shift in a 40-hour work week, with a ceiling concentration of 30,000 ppm (3 percent) for 10 minutes. Provisions are included for sampling, collection, analysis, pre-employment medical examinations, periodi
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National Institute for Occupational Safety and Health
1976/07/01
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NIOSH Numbered Publications
Information on the toxicity and recommended exposure standards for 1,1,1-trichloroethane (71556) is presented. Chemical properties of the compound are reviewed, along with industrial production figures, uses, and worker exposures. Results of epidemiological and animal toxicity studies are discussed. Toxic effects on the human nervous and cardiovasc
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