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

PSC F107 Natural Resources/Conservation—Toxic and Hazardous Substance Analysis

Services

PSC H929 Other QC/Test/Inspect—Engine Accessories

Services
Federal Category 18.4: Equipment Related Services Quality Control