30 CFR 57.5071 - Exposure monitoring.

§ 57.5071 Exposure monitoring.

(a) Mine operators must monitor as often as necessary to effectively determine, under conditions that can be reasonably anticipated in the mine, whether the average personal full-shift airborne exposure to DPM exceeds the DPM limit specified in § 57.5060.

(b) The mine operator must provide affected miners and their representatives with an opportunity to observe exposure monitoring required by this section. Mine operators must give prior notice to affected miners and their representatives of the date and time of intended monitoring.

(c) If any monitoring performed under this section indicates that a miner's exposure to diesel particulate matter exceeds the DPM limit specified in § 57.5060, the operator must promptly post notice of the corrective action being taken on the mine bulletin board, initiate corrective action by the next work shift, and promptly complete such corrective action.


(1) The results of monitoring for diesel particulate matter, including any results received by a mine operator from sampling performed by the Secretary, must be posted on the mine bulletin board within 15 days of receipt and must remain posted for 30 days. The operator must provide a copy of the results to the authorized representative of miners.

(2) The mine operator must retain for five years (from the date of sampling), the results of any samples the operator collected as a result of monitoring under this section, and information about the sampling method used for obtaining the samples.

[ 70 FR 32966, June 6, 2005]

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United States Code

Title 30 published on 06-Jun-2018 04:01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 30 CFR Part 57 after this date.

  • 2018-04-19; vol. 83 # 76 - Thursday, April 19, 2018
    1. 83 FR 17293 - Examinations of Working Places in Metal and Nonmetal Mines
      GPO FDSys XML | Text
      DEPARTMENT OF LABOR, Mine Safety and Health Administration
      Announcement of public meetings.
      The meeting dates and locations are listed in the SUPPLEMENTARY INFORMATION section of this document.
      30 CFR Parts 56 and 57
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