IWM has the equipment and expertise to efficiently clean above ground and below ground tanks. Vacuum trucks specifically designed to efficiently load large volumes of sludge combined with a variety of high pressure hot and cold washers bring a high level of efficiency and safety to any tank cleaning project. All employees at IWM are certified for entering confined spaces and are fit tested and certified for wearing respirators. Underground clarifiers and below ground sumps packed with heavy sludge are safely and efficiently cleaned with vacuum pumps generating 1100 cubic feet of vacuum per minute.