The following Product Service Codes (PSCs) are commonly associated with NAICS 924110, Administration of Air and Water Resource and Solid Waste Management Programs

PSC S222 Housekeeping—Waste Treatment/Storage

Services
Federal Category 4.4: Facilities & Construction Facility Related Services

PSC H346 Inspection—Water Purification and Sewage Treatment Equipment

Services

PSC F101 Natural Resources/Conservation—Air Quality Support

Services

PSC 4610 Water Purification Equipment

Products

PSC R499 Support—Professional: Other

Services