15.11—Revocation.
(a)
MSHA may revoke for cause an approval issued under this part if the explosive or sheathed explosive unit—
(1)
Fails to meet the applicable technical requirements; or
(2)
Creates a hazard when used in a mine.
(b)
Prior to revoking an approval, the approval-holder shall be informed in writing of MSHA's intention to revoke. The notice shall—
(1)
Explain the specific reasons for the proposed revocation; and
(2)
Provide the approval-holder an opportunity to demonstrate or achieve compliance with the product approval requirements.
(c)
Upon request, the approval-holder shall be afforded an opportunity for a hearing.
(d)
If an explosive or sheathed explosive unit poses an imminent hazard to the safety or health of miners, the approval may be immediately suspended without a written notice of the agency's intention to revoke. The suspension may continue until the revocation proceedings are completed.