msha approved mining wheat light togo
msha approved mining wheat light togo. This is a Catch 22 since mine equipment certification recognizes intrinsic safing and explosion proofing but not purge/pressurize design)*** If the equipment is certified by MSHA and DEP DEP reviewers will still not approve the use of the equipment in an abandoned mine This decision will need to come from higher up in the DEP agency The CANMET