msha increased emphasis on improved implementation of surveys at mnm mines
TRANSCRIPT
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MSHA Increased Emphasis on Improved Implementation of Surveys at MNM Mines
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Administrator forMetal and NonmetalMine Safety and Health
Neal H. Merrifield
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Agenda Introductions Assistant Secretary of Labor for Mine Safety
and Health Deputy Assistant Secretary MSHA enforcement policies and procedures Presentations from Ash Grove Cement and
US Silica Questions/Comments
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Assistant Secretary of Labor for Mine Safety and Health
Joseph A. Main
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Deputy Assistant Secretary
Gregory R. Wagner, M.D.
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30 CFR 56/57.5002Exposure Monitoring Dust, gas, mist and fume surveys shall be
conducted as frequently as necessary to determine the adequacy of control measures
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Scope of 30 CFR 56/57.5002
Applicable to: All MNM operations Airborne contaminants:
Dust, gas, mist, and fume Does not apply to:
Radon Diesel particulate matter Noise
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30 CFR 56/57.5002 Improved Implementation of Surveys Program Policy Letter was issued 10/22/2010 http://www.msha.gov/REGS/COMPLIAN/PPLMEN.
HTM
Mine operators have the primary responsibility for protecting the health of miners
Mine operators must demonstrate compliance rather than relying on enforcement interventions
Emphasize: Plan Prevent Protect
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Policy
During MSHA inspections, MSHA inspectors will be evaluating operator survey activities
MSHA is providing additional information at the following website: www.msha.gov/S&HINFO/ExposureGuidance/ExposureGuidance.asp
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56/57.5002
Overexposures to airborne contaminants are indicators of inadequate control measures
Type of surveys Frequency of surveys
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Are operators conducting surveys? Quantitative surveys – exposure sampling to
determine whether exposure is below the TLV, or wipe samples
Qualitative surveys Site walk-through to evaluate control measures Control technology inspection and maintenance (e.g.,
vehicle cabs, dust collectors, ventilation systems) Documentation (records) Visual inspection of area by inspector Interviews with management
and employees
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Adequacy of Surveys
Type: quantitative versus qualitative Is exposure monitoring conducted in
accordance with accepted analytical methods and techniques?
Is the person conducting the survey properly trained?
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Frequency of Surveys Sampling results approach the TLV Changes in mining operations (e.g. hazard or
environmental agents) Changes in control equipment used to reduce
exposures. Changes in work schedule (e.g. miners
working longer shifts) or work procedures Routine or special maintenance on controls Miner complaints, illnesses, or disease
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Future Steps
Train inspectors Outreach to stakeholders
Provide assistance to small mines Training Technical assistance with a focus on small mines
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Ash Grove Cement
Steve Minshall
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U.S. Silica
John Ulizio
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QuestionsComments