The District of Columbia Government (the “District”), acting by and through its Department of General Services (“DGS” or the “Department”), Division of Contracts and Procurement, collectively the “District”, issues this Invitation for Bids (“IFB”) to engage four (4) Small Business Enterprise (“SBE”) firms to provide Hazardous Materials Abatement Services, on an on-call, as-need basis for various District of Columbia facilities containing or believed to contain hazardous waste materials regulated under the Toxic Substanc