This contract will provide the support required to keep this proprietary equipment in working order and calibrated. This equipment is essential in the mission critical testing work at the MSHA’s Appro... This contract will provide the support required to keep this proprietary equipment in working order and calibrated. This equipment is essential in the mission critical testing work at the MSHA’s Approval & Certification Center, on diesel engine packages. These engine packages are tested and certified in accordance with 30 CFR to provide a safe work environment for the mining community.