OP-TECH has significant experience in remediating former Manufactured Gas Plant (MGP) sites. As part of these projects OP-TECH has effectively utilized odor and vapor control measures and has performed work within temporary structures and enclosures. Many of these projects have involved excavation of large quantities of coal tar contaminated soil as well as ancillary tasks such as large scale dewatering, road building and subsurface utility abandonment and demolition.