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Determination 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 AdministrationMine Shift Atmospheric Conditions; Respirable Dust Sample
Federal Register · Notice · Feb 3, 1998
mine dust per cubic meter of air (mg/m3). … After the close of the comment period, the Agencies reviewed all of the comments, data and other information submitted into the record.
63 FR 5664Labor DepartmentMine Safety and Health AdministrationDetermination of Concentration of Respirable Coal Mine Dust
Federal Register · Proposed Rule · Mar 6, 2003
If a miner inhales ten cubic meters of air on a shift (U.S. … Act of 1995 (PRA95).
68 FR 10940Labor DepartmentMine Safety and Health AdministrationMine Shift Atmospheric Conditions; Respirable Dust Sample
Federal Register · Uncategorized Document · Feb 18, 1994
to which each miner in the active workings of such mine is exposed at or below 2.0 milligrams of respirable dust per cubic meter of air. … each miner in the active workings of a mine is exposed (1) as measured during an 18 month period following the date of enactment of this Act, over a number of continuous productions shifts to be determined
Labor DepartmentMine Safety and Health AdministrationMine Shift Atmospheric Conditions; Respirable Dust Sample
Federal Register · Notice · Mar 12, 1996
This finding is being made in accordance with section 202(f) of the Federal Mine Safety and Health Act of 1977 (Mine Act). … extended the comment period to May 29, 1994 (59 FR 16958).
61 FR 10012Labor DepartmentMine Safety and Health AdministrationDetermination of Concentration of Respirable Coal Mine Dust
Federal Register · Proposed Rule · Aug 12, 2003
ACTION: Proposed rule; reopening of the rulemaking record; extension of comment period. … In response to requests from commenters, the comment period was extended until September 8, 2000 (65 FR 49215).
68 FR 47886Labor DepartmentMine Safety and Health AdministrationMine Shift Atmospheric Conditions; Respirable Dust Sample
Federal Register · Notice · Apr 24, 1996
The comment period had been scheduled to close on April 11, 1996. … In response to requests from the public for additional time to review this information and prepare their comments, the Agencies extended the comment period until June 10, 1996 (61 FR 16123).
61 FR 18158Labor DepartmentMine Safety and Health Administration
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