Documents
Briefs, oral arguments, agency decisions and the Federal Register.
1,081 results
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Federal Register · Proposed Rule · Jul 29, 2005
We are requesting comments on whether MSHA's use of routine, periodic bulk sampling would be useful in determining whether or not we should take personal exposure air samples to evaluate miners' exposures … If the image deteriorates, clean and adjust the microscope optics. If the problem persists, consult the microscope manufacturer. 11.
70 FR 43950Labor DepartmentMine Safety and Health AdministrationFederal Register · Notice · Jan 29, 1997
Clean Energy Mining Company [Docket No. M-96-199-C] Clean Energy Mining Company, P.O. … Request for Comments Persons interested in these petitions may furnish written comments.
62 FR 4331Labor DepartmentMine Safety and Health AdministrationFederal Register · Proposed Rule · Jul 7, 2000
Revocation of the Operator Dust Sampling Program Under the Federal Coal Mine Health and Safety Act of 1969 (Coal Act) coal mine operators were required to take accurate dust samples at periodic intervals … Bimonthly samples have provided a periodic evaluation of the quality of the air miners breathe.
65 FR 42122Labor DepartmentMine Safety and Health AdministrationDetermination of Concentration of Respirable Coal Mine Dust
Federal Register · Proposed Rule · Jul 7, 2000
mine dust per cubic meter of air (mg/m 3 ). … Using a modified HEPA filtration system, the environment is maintained at a clean room classification of 1000 (near optimum for clean room cleanliness).
65 FR 42068Labor DepartmentMine Safety and Health AdministrationPetition for Modification of Application of Existing Mandatory Safety Standard
Federal Register · Notice · Dec 23, 2019
Individuals may inspect a copy of the petition and comments during normal business hours at the address listed above. MSHA will consider only comments postmarked by the U.S. … Background Section 101(c) of the Federal Mine Safety and Health Act of 1977 (Mine Act) allows the mine operator or representative of miners to file a petition to modify the application of any mandatory
84 FR 70569Labor DepartmentMine Safety and Health AdministrationFlame-Resistant Conveyor Belt, Fire Prevention and Detection, and Use of Air From the Belt Entry
Federal Register · Rule · Dec 31, 2008
The comment period closed on September 8, 2008. … Regulatory Flexibility Act and Small Business Regulatory Enforcement Fairness Act Under the Regulatory Flexibility Act (RFA) of 1980, as amended by the Small Business Regulatory Enforcement Fairness Act
73 FR 80580Labor DepartmentMine Safety and Health AdministrationPetitions for Modification of Application of Existing Mandatory Safety Standards
Federal Register · Notice · Oct 16, 2017
Background Section 101(c) of the Federal Mine Safety and Health Act of 1977 (Mine Act) allows the mine operator or representative of miners to file a petition to modify the application of any mandatory … This may include periodic tests of methane levels and limits on the minimum methane concentrations that may be extracted.
82 FR 48115Labor DepartmentMine Safety and Health AdministrationFederal Register · Rule · Dec 30, 2005
The commenters also cited hazards incident to heights, lifting, uneven ground, pinch points, chemicals, noise, mine gases, compressed air, hoisting, and electricity. … Some commenters stated that the Mine Act requires separate training standards for construction workers.
70 FR 77716Labor DepartmentMine Safety and Health AdministrationSummary of Decisions Granting in Whole or in Part Petitions for Modification
Federal Register · Notice · May 19, 1999
Summary of Findings: Petitioner's proposal to establish blow-off stations at various places in the plant where employees can clean their clothes with compressed air; to install tamper-proof airline regulators … at each station to ensure that primary operating air pressure is consistent; and to post rules for employees to follow when using compressed air to clean their clothes considered acceptable alternative
64 FR 27301Labor DepartmentMine Safety and Health AdministrationPetition for Modification of Application of Existing Mandatory Safety Standards
Federal Register · Notice · Jul 6, 2023
Due to insufficient power supply, the mine currently uses portable diesel compressors to supply compressed air periodically. … (c) All underground personnel shall be trained on the operation of the air cylinders to release air and water rationing for a 96-hour period.
88 FR 43147Labor DepartmentMine Safety and Health AdministrationPetition for Modification of Application of an Existing Mandatory Safety Standard
Federal Register · Notice · Dec 17, 2021
ADDRESSES: You may submit your comments including the docket number of the petition by any of the following methods: 1. Email: zzMSHA-comments@dol.gov. … During this time period all relevant standards will apply.
86 FR 71670Labor DepartmentMine Safety and Health AdministrationPowered Air Purifying Respirators (PAPRs) in Underground Mines
Federal Register · Proposed Rule · Jul 22, 2025
ACTION: Proposed rule; extension of comment period. … SUMMARY: MSHA is extending the comment period on the proposed rule titled, “Powered Air Purifying Respirators (PAPRs) in Underground Mines,” published in the Federal Register on July 1, 2025, with
90 FR 34405Labor DepartmentMine Safety and Health AdministrationSummary of Decisions Granting in Whole or in Part Petitions for Modification
Federal Register · Notice · Dec 17, 2001
SUMMARY: Under section 101 of the Federal Mine Safety and Health Act of 1977, the Secretary of Labor (Secretary) may allow the modification of the application of a mandatory safety standard to a mine … Final decisions on these petitions are based upon the petitioner's statements, comments and information submitted by interested persons, and a field investigation of the conditions at the mine.
66 FR 64988Labor DepartmentMine Safety and Health AdministrationPetition for Modification of Application of Existing Mandatory Safety Standards
Federal Register · Notice · Jun 24, 2026
Senk, Acting Director, Office of Standards, Regulations, and Variances. Individuals may inspect copies of the petition and comments during normal business hours at the address listed above. … This may include periodic tests of methane levels and limits on the minimum methane concentrations that may be extracted.
91 FR 38018Labor DepartmentMine Safety and Health AdministrationFederal Register · Proposed Rule · Jun 19, 2008
Written comments will be included in the rulemaking record until the close of the comment period. … The Agency specifically solicits comments on the impact of the one year transition period on inventories and associated costs to approval holders.
73 FR 35026Labor DepartmentMine Safety and Health AdministrationFederal Register · Rule · Oct 3, 2000
original comment period. … One commenter stated that the definition of compressed gas includes compressed air in motor vehicle tires and air compressors.
65 FR 59048Labor DepartmentMine Safety and Health AdministrationPetitions for Modification of Application of Existing Mandatory Safety Standards
Federal Register · Notice · Jul 21, 2016
ADDRESSES: You may submit your comments, identified by “docket number” on the subject line, by any of the following methods: 1. Electronic Mail: zzMSHA-comments@dol.gov. … Background Section 101(c) of the Federal Mine Safety and Health Act of 1977 (Mine Act) allows the mine operator or representative of miners to file a petition to modify the application of any mandatory
81 FR 47422Labor DepartmentMine Safety and Health AdministrationFederal Register · Rule · Apr 18, 2008
period. … Commenters objected to the ETS requirement for a 14-day baseline sampling period or questioned its benefit.
73 FR 21182Labor DepartmentMine Safety and Health AdministrationFederal Register · Rule · May 22, 2007
ACTION: Emergency temporary standard; Notice of public hearings; Notice of close of comment period. … The comment period will close on July 6, 2007.
72 FR 28796Labor DepartmentMine Safety and Health AdministrationPetitions for Modification of Application of Existing Mandatory Safety Standards
Federal Register · Notice · Mar 30, 2021
ADDRESSES: You may submit your comments, identified by “docket number” on the subject line, by any of the following methods: 1. Electronic Mail: zzMSHA-comments@dol.gov. … Background Section 101(c) of the Federal Mine Safety and Health Act of 1977 (Mine Act) allows the mine operator or representative of miners to file a petition to modify the application of any mandatory
86 FR 16641Labor DepartmentMine Safety and Health Administration
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