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Pittsburgh Safety and Health Technology Center Physical and Toxic Agents Division Pittsburgh Safety and Health
Technology Center

Physical and Toxic Agents Division
John P. Seiler, P.E., Chief
Seiler.John@dol.gov
Telephone: (412) 386-6980
FAX: (412) 386-6154
Remote Location: Denver, CO.
Telephone: (303) 231-5549
FAX: (303) 231-5459
MISSION: Provide technical assistance to inspection personnel and the mining industry for the purpose of reducing exposure to harmful physical and toxic agents, such as noise, vibration, heat stress, and toxic liquids, vapors or gases present in the mining environment.
Gather information and analyze mine environmental conditions for exposure determinations, instrument evaluation, development of adequate engineering controls, and the modification or development of standards and regulations.
Conduct field investigations to provide the latest scientific data in support of MSHA's inspection activities and to assist mine operators in achieving compliance with established standards of exposure.
Conduct studies and evaluations of mine air samples.
Conduct studies and evaluations of ionizing radiation.
Maintain a Mobile Gas Analysis Laboratory for on-site use in times of emergency.
BRANCHES: Physical Agents Branch
Anthony S. Argirakis, Chief (Acting)
(412) 386-6978
Argirakis.Anthony@dol.gov

Toxic Agents Branch
Melanie D. Calhoun, Chief
Toxic Agents Branch
Mine Safety and Health Administration
Office: 412-386-5337
Cell: 412-414-2131
E-mail: calhoun.melanie@dol.gov


Mine Photo
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An AIHA Industrial Hygiene Accredited Laboratory Mine Photo
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Information, Links, and Publications

  • Informational Reports
  • Single Source for Information on MSHA's New Noise Standard
  • Noise Technical Reports
  • Practical Ways Controlling Mercury Hazards in Gold Mining: A Best Practices Toolbox
  • Estimating the Rate of Coal Combustion in a Mine Fire (PDF)