[Federal Register Volume 59, Number 144 (Thursday, July 28, 1994)]
[Unknown Section]
[Page ]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 94-18302]


[Federal Register: July 28, 1994]


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DEPARTMENT OF LABOR

Mine Safety and Health Administration

30 CFR Part 75

RIN 1219-AA11


Safety Standards for Underground Coal Mine Ventilation; 
Amendments

AGENCY: Mine Safety and Health Administration, Labor.

ACTION: Final rule; technical amendments.

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SUMMARY: This document makes technical amendments to the final rule for 
safety standards for underground coal mine ventilation that appeared in 
the Federal Register on May 15, 1992 (57 FR 20868).

EFFECTIVE DATE: This regulation is effective July 28, 1994. The 
incorporation by reference of certain publications listed in the 
regulations is approved by the Director of the Federal Register as of 
July 28, 1994.

FOR FURTHER INFORMATION CONTACT: Patricia W. Silvey, Director, Office 
of Standards, Regulations and Variances, MSHA, phone (703) 235-1910.

SUPPLEMENTARY INFORMATION: On May 15, 1992, MSHA published a final rule 
to revise its safety standards for underground coal mine ventilation. 
This document makes nonsubstantive technical amendments to 
Secs. 75.301, 75.333 (a), (d)(1), (e)(3) and (f) and 75.335 (a)(1)(iv) 
and (a)(2). Sections 75.301, 75.333 (a), (d)(1), (e)(3) and (f) and 
75.335 (a)(1)(iv) and (a)(2) are revised to include information 
concerning the availability of the incorporated documents, where the 
incorporated documents may be inspected, and the Federal Register 
approval for incorporation by reference of the documents.

List of Subjects in 30 CFR Part 75

    Incorporation by reference, Mine safety and health, Underground 
coal mines, Ventilation.

    Dated: July 20, 1994.
J. Davitt McAteer,
Assistant Secretary for Mine Safety and Health.

PART 75--MANDATORY SAFETY STANDARDS--UNDERGROUND COAL MINES

Subpart D--Ventilation

    Accordingly, subpart D of part 75, subchapter O, chapter I, title 
30 of the Code of Federal Regulations is corrected by making the 
following technical amendments:
    1. The authority citation for Part 75 continues to read as follows:

    Authority: 30 U.S.C. 811, 957, and 961.


Sec. 75.301  [Amended]

    2. In Sec. 75.301, the following definitions are revised to read as 
follows:
* * * * *
    Noncombustible Structure or Area. Describes a structure or area 
that will continue to provide protection against flame spread for at 
least 1 hour when subjected to a fire test incorporating an ASTM E119-
88 time/temperature heat input, or equivalent. The publication ASTM 
E119-88, ``Standard Test Methods for Fire Tests of Building 
Construction and Materials'' is incorporated by reference and may be 
inspected at any Coal Mine Health and Safety District and Subdistrict 
Office, or at MSHA's Office of Standards, 4015 Wilson Boulevard, 
Arlington, VA, and at the Office of the Federal Register, 800 North 
Capitol Street, NW., Suite 700, Washington, DC. In addition, copies of 
the document can be purchased from the American Society for Testing 
Materials (ASTM), 1916 Race Street, Philadelphia, Pennsylvania 19103. 
This incorporation by reference was approved by the Director of the 
Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.
    Noncombustible Material. Describes a material which when used to 
construct a ventilation control results in a control that will continue 
to serve its intended function for 1 hour when subjected to a fire test 
incorporating an ASTM E119-88 time/temperature heat input, or 
equivalent. The publication ASTM E119-88, ``Standard Test Methods for 
Fire Tests of Building Construction and Materials'' is incorporated by 
reference and may be inspected at any Coal Mine Health and Safety 
District and Subdistrict Office, or at MSHA's Office of Standards, 4015 
Wilson Boulevard, Arlington, VA, and at the Office of the Federal 
Register, 800 North Capitol Street, NW., Suite 700, Washington, DC. In 
addition, copies of the document can be purchased from the American 
Society for Testing Materials (ASTM), 1916 Race Street, Philadelphia, 
Pennsylvania 19103. This incorporation by reference was approved by the 
Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 
1 CFR part 51.
* * * * *


Sec. 75.333  [Amended]

    3. In Sec. 75.333, paragraphs (a), (d)(1), (e)(3), and (f) are 
revised to read as follows:
    (a) For purposes of this section; ``doors'' includes any 
doorframes, and ``durable'' describes a material and construction 
method that when used to construct a ventilation control results in a 
control that is structurally equivalent to an 8-inch hollow-core 
concrete block stopping with mortared joints as described in ASTM E72-
80, ``Standard Methods of Conducting Strength Tests of Panels for 
Building Construction'' (Section 12--Transverse Load--Specimen 
Vertical). This publication is incorporated by reference and may be 
inspected at any Coal Mine Health and Safety District and Subdistrict 
Office, or at MSHA's Office of Standards, 4015 Wilson Boulevard, 
Arlington, VA, and at the Office of the Federal Register, 800 North 
Capitol Street, NW., Suite 700, Washington, DC. In addition, copies of 
the document can be purchased from the American Society for Testing 
Materials (ASTM), 1916 Race Street, Philadelphia, Pennsylvania 19103. 
This incorporation by reference was approved by the Director of the 
Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.
* * * * *
    (d) * * *
    (1) Made of noncombustible material or coated on all accessible 
surfaces with flame-retardant material having a flame- spread index of 
25 or less, as tested under ASTM E162-87, ``Standard Test Method for 
Surface Flammability of Materials Using a Radiant Heat Energy Source.'' 
This publication is incorporated by reference and may be inspected at 
any Coal Mine Health and Safety District and Subdistrict Office, or at 
MSHA's Office of Standards, 4015 Wilson Boulevard, Arlington, VA, and 
at the Office of the Federal Register, 800 North Capitol Street, NW., 
Suite 700, Washington, DC. In addition, copies of the document can be 
purchased from the American Society for Testing Materials (ASTM), 1916 
Race Street, Philadelphia, Pennsylvania 19103. This incorporation by 
reference was approved by the Director of the Federal Register in 
accordance with 5 U.S.C. 552(a) and 1 CFR part 51.
* * * * *
    (e) * * *
    (3) When timbers are used to create permanent stoppings in heaving 
or caving areas, the stoppings shall be coated on all accessible 
surfaces with a flame-retardant material having a flame-spread index of 
25 or less, as tested under ASTM E162-87, ``Standard Test Method for 
Surface Flammability of Materials Using a Radiant Heat Energy Source.'' 
This publication is incorporated by reference and may be inspected at 
any Coal Mine Health and Safety District and Subdistrict Office, or at 
MSHA's Office of Standards, 4015 Wilson Boulevard, Arlington, VA, and 
at the Office of the Federal Register, 800 North Capitol Street, NW., 
Suite 700, Washington, DC. In addition, copies of the document can be 
purchased from the American Society for Testing Materials (ASTM), 1916 
Race Street, Philadelphia, Pennsylvania 19103. This incorporation by 
reference was approved by the Director of the Federal Register in 
accordance with 5 U.S.C. 552(a) and 1 CFR part 51.
* * * * *
    (f) When sealants are applied to ventilation controls, the sealant 
shall have a flame-spread index of 25 or less under ASTM E162-87, 
``Standard Test Method for Surface Flammability of Materials Using a 
Radiant Heat Energy Source.'' This publication is incorporated by 
reference and may be inspected at any Coal Mine Health and Safety 
District and Subdistrict Office, or at MSHA's Office of Standards, 4015 
Wilson Boulevard, Arlington, VA, and at the Office of the Federal 
Register, 800 North Capitol Street, NW., Suite 700, Washington, DC. In 
addition, copies of the document can be purchased from the American 
Society for Testing Materials (ASTM), 1916 Race Street, Philadelphia, 
Pennsylvania 19103. This incorporation by reference was approved by the 
Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 
1 CFR part 51.
* * * * *


Sec. 75.335  [Amended]

    4. In Sec. 75.335, paragraphs (a)(1)(iv) and (a)(2) are revised to 
read as follows:
    (a)(1) * * *
    (iv) Coated on all accessible surfaces with flame-retardant 
material that will minimize leakage and that has a flame-spread index 
of 25 or less, as tested under ASTM E162-87, ``Standard Test Method for 
Surface Flammability of Materials Using a Radiant Heat Energy Source.'' 
This publication is incorporated by reference and may be inspected at 
any Coal Mine Health and Safety District and Subdistrict Office, or at 
MSHA's Office of Standards, 4015 Wilson Boulevard, Arlington, VA, and 
at the Office of the Federal Register, 800 North Capitol Street, NW., 
Suite 700, Washington, DC. In addition, copies of the document can be 
purchased from the American Society for Testing Materials (ASTM), 1916 
Race Street, Philadelphia, Pennsylvania 19103. This incorporation by 
reference was approved by the Director of the Federal Register in 
accordance with 5 U.S.C. 552(a) and 1 CFR part 51.
    (2) Alternative methods or materials may be used to create a seal 
if they can withstand a static horizontal pressure of 20 pounds per 
square inch provided the method of installation and the material used 
is approved in the ventilation plan. If the alternative methods or 
materials include the use of timbers, the timbers also shall be coated 
on all accessible surfaces with flame-retardant material having a 
flame-spread index of 25 or less, as tested under ASTM E162-87, 
``Standard Test Method for Surface Flammability of Materials Using a 
Radiant Heat Energy Source.'' This publication is incorporated by 
reference and may be inspected at any Coal Mine Health and Safety 
District and Subdistrict Office, or at MSHA's Office of Standards, 4015 
Wilson Boulevard, Arlington, VA, and at the Office of the Federal 
Register, 800 North Capitol Street, NW., Suite 700, Washington, DC. In 
addition, copies of the document can be purchased from the American 
Society for Testing Materials (ASTM), 1916 Race Street, Philadelphia, 
Pennsylvania 19103. This incorporation by reference was approved by the 
Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 
1 CFR part 51.
* * * * *
[FR Doc. 94-18302 Filed 7-27-94; 8:45 am]
BILLING CODE 4510-43-P