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En Español Current Intelligence Bulletin (1981) NIOSH Publication No.81-137 (1981) This report warns producers and users of silica flour that the risk of developing silicosis may be very high for exposed workers.

2008-140 (July 2008) NIOSH recommends the use of half-facepiece particulate respirators with N95 or better filters for airborne exposures to crystalline silica at concentrations less than or equal to 0.5 mg/m3.

Please note: For information about health effects from dust particles in environments outside of the workplace, see websites of the United States Environmental Protection Agency “Particulate Matter” and the CDC “Air Pollution and Respiratory Health”. 2015-106 (2015) The Occupational Safety and Health Administration (OSHA) and the National Institute for Occupational Safety and Health (NIOSH) have identified exposure to silica as a health hazard to workers involved in manufacturing, finishing and installing natural and manufactured stone countertop products, both in fabrication shops and during in-home finishing/installation.

This hazard can be mitigated with simple and effective dust controls in most countertop operations. 2012-166 (2012) This Hazard Alert discusses the health hazards associated with hydraulic fracturing and focuses on worker exposures to silica in the air.

Key data provided for each chemical/substance includes name (including synonyms/trade names), structure/formula, CAS/RTECS Numbers, DOT ID, conversion factors, exposure limits, IDLH, chemical and physical properties, measurement methods, personal protection, respirator recommendations, symptoms, and first aid.

Spirometry Monitoring Technology NIOSH topic page with link to software for Spirometry Longitudinal Data Analysis (SPIROLA).

Criteria for a Recommended Standard–Crystalline Silica NIOSH Publication No.

75-120 (1974) This report presents the criteria and recommended standards for preventing occupational diseases arising from exposure to crystalline variants of free silica.

Spirometry Training Course Information about training for those individuals who will be administering screening pulmonary function testing to employees who are exposed to cotton dust.

Occupational Respiratory Disease Surveillance (ORDS) NIOSH Topic Page about occupational respiratory disease medical screening and monitoring.

NIOSH Hazard Review: Health Effects of Occupational Exposure to Respirable Crystalline Silica NIOSH Publication No. Occupational exposures to respirable crystalline silica are associated with the development of silicosis, lung cancer, pulmonary tuberculosis, and airways diseases.

2002-129 (April 2002) This Hazard Review describes published studies and literature on the health effects of occupational exposure to respirable crystalline silica among workers in the U. These exposures may also be related to the development of autoimmune disorders, chronic renal disease, and other adverse health effects.

NIOSH Pocket Guide to Chemical Hazards Exposure limits, Respirator Recommendations, First Aid, more…