What this code covers
Other Quality Control, Testing and Inspection Services: Fuels, Lubricants, Oils, and Waxes
Government contracting · April 2025
PSC H991
OTHER QC/TEST/INSPECT- FUELS, LUBRICANTS, OILS, AND WAXES
Source: GSA, April 2025 PSC manual. This directory includes codes with no end date in that release. Historical notices may use retired codes.