(a) Upon completion of investigation of a methane-monitoring system,
or component or subassembly thereof, MSHA will issue to the applicant either
a letter of certification or a written notice of disapproval, as the case may
require If a letter of certification is issued, no test data or detailed
results of tests will accompany it. If a notice of disapproval is issued, it
will be accompanied by details of the defects, with a view to possible
correction. MSHA will not disclose except to the applicant or his authorized
representative, any information because of which a notice of disapproval has
been issued.
(b) A letter of certification will be accompanied by an appropriate
cautionary statement specifying the conditions to be observed for operating
and maintaining the device(s) and to preserve its certified status.
