Comments on: Parsons Wins Seat on $1.5 Billion Air Force Civil Engineering Center Environmental Services Contract Addressing PFAS /2025/04/parsons-wins-seat-on-1-5-billion-air-force-civil-engineering-center-environmental-services-contract-addressing-pfas/ Infrastructure, Defense, Security, and Construction Mon, 14 Apr 2025 13:12:13 +0000 hourly 1