Only for vacuum-cleaning systems used exclusively for housekeeping purposes and for sanding equipment using fabric filters with an... More… Only for vacuum-cleaning systems used exclusively for housekeeping purposes and for sanding equipment using fabric filters with an air-to-cloth ratio of <3.5:1 (mechanical or reverse air cleaning) or <12:1 (pulse-jet cleaning)Less…

Only for relocation of portable concrete batch plants for which an Order of Approval has been previously issued by the Agency and the... More… Only for relocation of portable concrete batch plants for which an Order of Approval has been previously issued by the Agency and the current annual registration fee has been paid.Less…

Only for batch roasters with a maximum rated capacity of 10lb/batch or less

Only for unvented, dry-to-dry system equipped using perchloroethylene with emission control equipment that meets all requirements in 40... More… Only for unvented, dry-to-dry system equipped using perchloroethylene with emission control equipment that meets all requirements in 40 CFR 63, Subpart MLess…