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Catalog > MSHA > Underground Mining Hazards

MSHA Underground Mining Hazards

Online Training Certification Course

Part 48

From the highest rated and most trusted online training company - since 2008.


Underground mine sites are filled with hazards, including fire, flood, structural collapse, toxic atmospheres, and dust or gas explosions. The mine's blast area introduces additional underground mining hazards, such as flyrocks, explosive fumes, and accidental premature blast. Even dust and noise, if not controlled, endanger miner safety.

Mine operators must provide safety training for Part 48 mining hazards. This online training course covers hazard recognition and avoidance and emergency and evacuation procedures. It is designed to help miners and other individuals who work on MSHA Part 48 mine sites understand and apply the health standards and safety rules necessary for safe working procedures.

This course is for:
This underground mining hazard online training course is intended for operators, supervisors, safety personnel, and all other individuals who work at underground mines. Every person at a mine site has the responsibility to ensure that underground safety training and health standards are being observed at all times.

Available languages: 100+ languages - translation provided by Google Translate (Select Language bottom of page)

Case Study: In 2012, a general inside laborer with 38 years of mining experience was removing a section of load-bearing primary roof support from an old area of the mine. The victim did not install additional roof supports prior to removing the old supports. The victim was killed by a section of mine roof that fell as he was removing a roof bolt.

Key Takeaways: To avoid accidents like this, always observe the roof and ribs for hazardous conditions before beginning work and take all necessary precautions, such as installing additional supports. Extra precautions should be taken when working in older areas of mines. Never remove roof supports except under the direction of a manager or foreman.

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Governing Regulations

Underground mining operations are regulated under 30 CFR Part 48. Hazard training requirements are found within Parts 48.11 and 48.31.


IT IS YOUR COMPANYS RESPONSIBILITY to Record and certify that each miner has received training required under this part on MSHA Form 5000-23 , or on a form that contains the information listed in paragraph (b) of 30 CFR § 46.9

If you are a mine owner or supervisor and unsure how to write a training plan, we can help with our Part 48 Underground Mining Training Plan course, the only one like it in the mining training industry.

What You'll Learn

    Introduction to the MSHA Underground Mining Hazards Overview Training Course
  • Accident Statistics
  • Applicability
  • Key Terms and Definitions
  • Hazard Training
  • Training Records
    Equipment Hazards
  • Powered Haulage Equipment
  • Blind Spots
  • Pinch Points
  • Belt Conveyors
  • Welding and Cutting Hazards
  • Hand Tools
    Electrical Hazards
  • Electrical Safety
  • Lockout/Tagout (LOTO)
    Fire Hazards
  • Fire Control and Prevention
  • Rock Dusting
    Chemical Hazards
  • Explosives
  • Storage of Explosive Material
  • Other Resources
  • Hazardous Communications
    Respiratory Hazards
  • Oxygen-deficient Atmosphere
  • Flammable Atmosphere
  • Toxic Atmosphere
  • Gases
  • Gas Sampling
  • Diesel Particulate Matter (DPM)
  • DPM Control
  • Dust
  • Health Effects of Dust
  • Dust Control
  • Ventilation
  • Respiratory Protection
    Structural Hazards
  • Roof and Rib Support
  • Roof and Ground Hazards Control
    Other Physical Hazards
  • Falls, Slips, and Trips
  • Ergonomics
  • Heat Stress
  • Noise Exposure
  • Noise Intensity and Maximum Daily Exposure
  • Noise Exposure Levels
  • Hearing Conservation Program
    Risk Assessment
  • SLAM-Risk Management for Miners
  • SLAM-Risk Management for Operators
  • Engineering Controls
  • Administrative Controls
  • Personal Protective Equipment (PPE) Controls
    Hazard Reporting
  • Hazard and Accident Reporting Procedures
  • Immediately Reportable Accidents and Injuries
  • The Dirty Dozen
  • Mining Inspections
    Additional Resources

It will take a MINIMUM of 2 hours to complete this online course. The student may log on and off as needed. A bookmark will be set so when they log back in they will return to where they left off.

We have no restrictions on how long a person takes to complete a course. Likewise, if you are purchasing for others, we have no time limit on assigning courses. So you can purchase a larger quantity than you currently need and take advantage of volume discounts.

In addition to initial new and experienced miner training, workers must complete annual refresher training. Annual experienced miner training includes topics that are relevant to health and safety hazards of underground mining.

  1. Each miner shall receive a minimum of 8 hours of annual refresher training as prescribed in this section.
  2. The annual refresher training program for all miners shall include the following courses of instruction:
    1. Mandatory health and safety standards. The course shall include mandatory health and safety standard requirements which are related to the miner's tasks.
    2. Transportation controls and communication systems. The course shall include instruction on the procedures for riding on and in mine conveyances; the controls in effect for the transportation of miners and materials; and the use of the mine communication systems, warning signals, and directional signs.
    3. Barricading. The course shall include a review of the methods of barricading and locations of barricading materials, where applicable.
    4. Roof or ground control, ventilation, emergency evacuation and firefighting plans. The course shall include a review of roof or ground control plans in effect at the mine and the procedures for maintaining and controlling ventilation. In addition, for underground coal mines, except for miners who receive this training under 30 CFR 75.1504, the course shall include a review of the emergency evacuation and firefighting program of instruction in effect at the mine.
    5. First aid. The course shall include a review of first aid methods acceptable to MSHA.
    6. Electrical hazards. The course shall include recognition and avoidance of electrical hazards.
    7. Prevention of accidents. The course shall include a review of accidents and causes of accidents, and instruction in accident prevention in the work environment.
    8. Self-rescue and respiratory devices. The course shall include instruction and demonstration in the use, care, and maintenance of self-rescue and respiratory devices used at the mine. In addition, except for miners who receive this training under 30 CFR 75.1504, the training for self-contained self-rescue (SCSR) devices shall include:
      1. Hands-on training in the complete donning of all types of self- contained self-rescue devices used at the mine, which includes assuming a donning position, opening the device, activating the device, inserting the mouthpiece, and putting on the nose clip; and
      2. Hands-on training in transferring between all applicable self- rescue devices.
    9. Explosives. The course shall include a review and instruction on the hazards related to explosives. The only exception to this course component is when there are no explosives used or stored on the mine property.
    10. Mine gases. The course shall include instruction in the detection and avoidance of hazards associated with mine gases.
    11. Health. The course shall include instruction on the purpose of taking dust, noise, and other health measurements and any health control plan in effect at the mine shall be explained. The health provisions of the Act and warning labels shall also be explained.
    12. Such other courses as may be required by the District Manager based on circumstances and conditions at the mine.
  3. Refresher training may include other health and safety subjects that are relevant to mining operations at the mine. Recommended subjects include, but are not limited to, information about the physical and health hazards of chemicals in the miner's work area, the protective measures a miner can take against these hazards, and the contents of the mine's HAZCOM program.
  4. Where annual refresher training is conducted periodically, such sessions shall not be less than 30 minutes of actual instruction time and the miners shall be notified that the session is part of annual refresher training.

Each student will receive 0.2 CEUs (or 2 CMEs) from Compliance Training Online® for completing this course.



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