Total customized refrigerant solutions: Pure ammonia refrigerants are backed by specialized process equipment, engineering expertise, on-site assistance and ongoing technical support that keeps your workers and community safe while utilizing an eco-friendly, energy-efficient approach that reduces energy costs and greenhouse gas emissions. ...Airgas does more than consistently deliver pure CO 2 and precise CO 2 and nitrogen blends. We keep adding sustainable innovations that help you continue to meet customers’ expectations as well as whet new appetites in a marketplace growing more crowded every day....

Turn to us to address some of your most critical needs in grow-out, processing, distribution and more, including: Liquid CO 2 , nitrogen, oxygen, dry ice Custom freezing and chilling equipment Welding equipment, gases and supplies Maintenance and repairs supplies Safety products and services Full line of refrigerants, ammonia, R744 (CO 2 ) Propane for forklifts and heating All our offerings are backed by local support and national resources. Trust Airgas, an Air Liquide company, to deliver the right products and services for the growth of your business.   ...We offer a complete systems approach to food production. We provide bulk cryogenics—liquid nitrogen or carbon dioxide—with tanks sized for best overall economy, hygienically designed cryogenic freezers and chillers, piping engineered for your process and budget, and exhaust systems engineered to maximize efficiency and ensure safety. ...

EPA traceability protocol for gaseous calibration standards Technical expertise and full product portfolio Ammonia, HCI, mercury mixtures, HAPS, formaldehyde and TIC gases Zero gases compliant with CFR 40:72.2 Largest inventory of NTRMs Production facilities certified to ISO 9001:2000 standards; ISO 17043-accredited for analytical performance More than 1,400 stocking locations Exclusive SRM calibration  ...