[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: 30CFR7.7]

[Page 15]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 7--TESTING BY APPLICANT OR THIRD PARTY--Table of Contents
 
                           Subpart A--General
 
Sec. 7.7  Quality assurance.

    Applicants granted an approval or an extension of approval under 
this part shall--
    (a) Inspect or test, or both, the critical characteristics in 
accordance with the appropriate subpart of this part;
    (b) Unless otherwise specified in the subparts, calibrate 
instruments used for the inspection and testing of critical 
characteristics at least as frequently as, and according to, the 
instrument manufacturer's specifications, using calibration standards 
traceable to those set by the National Bureau of Standards, U.S. 
Department of Commerce or other nationally recognized standards and use 
instruments accurate to at least one significant figure beyond the 
desired accuracy.
    (c) Control production documentation so that the product is 
manufactured as approved;
    (d) Immediately report to the MSHA Approval and Certification 
Center, any knowledge of a product distributed with critical 
characteristics not in accordance with the approval specifications.

[53 FR 23500, June 22, 1988, as amended at 60 FR 33722, June 29, 1995]