[Code of Federal Regulations]
[Title 30, Volume 1]
[Revised as of July 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 30CFR72.502]

[Page 440-441]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 72--HEALTH STANDARDS FOR COAL MINES--Table of Contents
 
 Subpart D--Diesel Particulate Matter--Underground Areas of Underground 
                               Coal Mines
 
Sec. 72.502  Requirements for nonpermissible light-duty diesel-powered equipment other than generators and compressors.

    (a) Each piece of nonpermissible light-duty diesel-powered equipment 
(as defined by Sec. 75.1908(b) of this part), other than generators and 
compressors, introduced into an underground area of an underground coal 
mine after May 21, 2001 must emit no more than 5.0 grams per hour of 
diesel particulate matter.
    (b) A piece of nonpermissible light-duty diesel-powered equipment 
must be deemed to be in compliance with the requirements of paragraph 
(a) of this section if it utilizes an engine which meets or exceeds the 
applicable particulate matter emission requirements of the Environmental 
Protection Administration listed in Table 72.502-1, as follows:

                             Table 72.502-1
------------------------------------------------------------------------
       EPA requirement            EPA category            PM limit
------------------------------------------------------------------------
40 CFR 86.094-                light duty vehicle..  0.1 g/mile.
 8(a)(1)(I)(A)(2).
40 CFR 86.094-                light duty truck....  0.1 g/mile.
 9(a)(1)(I)(A)(2).
40 CFR 86.094-                heavy duty highway    0.1 g/bhp-hr.
 11(a)(1)(iv)(B).              engine.
40 CFR 89.112(a)............  Tier 2 nonroad......  Varies by power:

[[Page 441]]


                              kW< (hp<11).........  0.80 g/kW-hr (0.60 g/
                                                     bhp-hr).
                              8[le]kW<19            0.80 g/kW-hr (0.60 g/
                               (11[le]hp<25).        bhp-hr).
                              19[le]kW<37           0.60 g/kW-hr (0.45 g/
                               (25[le]hp<50).        bhp-hr).
                              37[le]kW<75           0.40 g/kW-hr (0.30 g/
                               (50[le]hp<100).       bhp-hr).
                              75[le]kW<130          0.30 g/kW-hr (0.22 g/
                               (100[le]hp<175).      bhp-hr).
                              130[le]kW<225         0.20 g/kW-hr (0.15 g/
                               (175[le]hp<300).      bhp-hr).
                              225[le]kW<450         0.20 g/kW-hr (0.15 g/
                               (300[le]hp<600).      bhp-hr).
                              450[le]kW<560         0.20 g/kW-hr (0.15 g/
                               (600[le]hp<750)''.    bhp-hr)
                              kW[ge]560             0.20 g/kW-hr (0.15 g/
                               (hp[ge]750).          bhp-hr)
------------------------------------------------------------------------
 Notes: ``g'' means grams; ``kW'' means kilowatt; ``hp'' means
  horsepower; ``g/kW-hr'' means grams/kilowatt-hour; ``g/bhp-hr'' means
  grams/brake horsepower-hour.

    (c) The requirements of this section do not apply to any diesel-
powered ambulance or fire fighting equipment that is being used in 
accordance with the mine fire fighting and evacuation plan under 
Sec. 75.1101-23.

[66 FR 5704, Jan. 19, 2001, as amended at 66 FR 15033, Mar. 15, 2001; 66 
FR 27866, May 21, 2001]