MSHA’s Approval & Certification Center, located in Triadelphia, WV, requires the services for Concrete Demolition and Installation Project that have deteriorated due to being exposed to environmental ... MSHA’s Approval & Certification Center, located in Triadelphia, WV, requires the services for Concrete Demolition and Installation Project that have deteriorated due to being exposed to environmental conditions. The Government requires these services to maintain the physical facilities where various mining products and materials are tested and certified per 30 CFR. The certification of these products and materials play a vital role in the safety and health of the industry’s miners.