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Web Link Resources Final Rule:  Respirable Crystalline Silica  External Link
On April 18, 2024, MSHA issued its final rule, Lowering Miners' Exposure to Respirable Crystalline Silica and Improving Respiratory Protection, to reduce miner exposures to respirable crystalline silica and improve respiratory protection for all airborne hazards.

Category: Dust and Silica
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101 slides
New Coal Dust Rule: Stakeholders Meeting
As of February 1, 2016, mine operators will be required to use the Continuous Personal Dust Monitor (CPDM) to sample for respirable coal mine dust on working sections of underground coal mines and other areas approved by the District Manager.

All who sample, maintain or calibrate CPDMs must complete an MSHA Course of Instruction, pass an examination, and be certified by MSHA.  For the convenience of operators and miners, MSHA is scheduling courses of instruction and certification exams at locations across the country.  Each class and exam, held separately for Sampling and for Maintenance & Calibration, will last about 8 hours.

Additional Resources: Training Presentations Written Exam Questions Medical Surveillance

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Final Rule: Occupational Exposure to Respirable Crystalline Silica
The Occupational Safety and Health Administration (OSHA) is amending its existing standards for occupational exposure to respirable crystalline silica.  OSHA has determined that employees exposed to respirable crystalline silica at the previous permissible exposure limits face a significant risk of material impairment to their health.

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Hawks Nest Disaster
Nayab Sultan, Doctoral researcher at Silicosis Research gives this insight into the Hawks Nest Incident, considered by some to be the worst industrial disaster in US history.

683 Kb
OSHA Delays Construction Silica Rule Until September 23, 2017
The construction rule's provisions were codified at 29 CFR 1926.1153 and enforcement originally was scheduled to commence for most provisions on June 23, 2017.  The enforcement deadline has been extended by OSHA for three months, until September 23, 2017.

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Deadly Decisions
An Interview with Dwight Harshbarger, author of Witness at Hawks Nest.

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Excavation of the Hawk s Nest Tunnel, Gauley Bridge, WV,
Very good PDF slide presentation about the Hawk's Nest Tunnel incident where 60% of men worked less than two months, 80% less than six months, 90% less than a year.
Healthcare and Wellness Adobe PDF Resources
Healthcare and Wellness Adobe PDF ResourcesBrowse these additional heathcare and wellness related categories for more Adobe PDF resources.
OSHA Silica Dust Standard Video
OSHA new Silica Rule goes into effect September 23, 2017, this video runs through keys points about the new rule as it relates to the construction industry.

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