[Code of Federal Regulations]

[Title 30, Volume 1]

[Revised as of July 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 30CFR27.11]



[Page 152-153]

 

                       TITLE 30--MINERAL RESOURCES

 

  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR

 

PART 27_METHANE-MONITORING SYSTEMS--Table of Contents

 

                      Subpart A_General Provisions

 

Sec.  27.11  Extension of certification.



    If an applicant desires to change any feature of a certified system 

or component, he shall first obtain MSHA's approval of the change, 

pursuant to the following procedure:

    (a)(1) Application shall be made as for an original certification, 

requesting that the existing certification be extended to cover the 

proposed changes. The application shall include complete drawings, 

specifications, and related data, showing the changes in detail.

    (2) Where the applicant for approval has used an independent 

laboratory under part 6 of this chapter to perform, in whole or in part, 

the necessary testing and evaluation for approval of changes to an 

approved product under this part, the applicant must provide



[[Page 153]]



to MSHA as part of the approval application:

    (i) Written evidence of the laboratory's independence and current 

recognition by a laboratory accrediting organization;

    (ii) Complete technical explanation of how the product complies with 

each requirement in the applicable MSHA product approval requirements;

    (iii) Identification of components or features of the product that 

are critical to the safety of the product; and

    (iv) All documentation, including drawings and specifications, as 

submitted to the independent laboratory by the applicant and as required 

by this part.

    (b) The application will be examined by MSHA to determine whether 

inspection and testing of the modified system or component or of a part 

will be required. MSHA will inform the applicant whether testing is 

required and the component or components and related material to be 

submitted for that purpose.

    (c) If the proposed modification meets the requirements of this 

part, a formal extension of certification will be issued, accompanied by 

a list of revised drawings and specifications which MSHA has added to 

those already on file.



[31 FR 10607, Aug. 9, 1966, as amended at 52 FR 17515, May 8, 1987; 68 

FR 36421, June 17, 2003]