Industries Solutions Resources Products null ☰ Specialty Gases Menu Specialty Gases — EPA Protocols • Protocols 101 Protocol Basics Picking Protocol Gases Certificate of Analysis Other Calibration Gases • Manufacturing and Processes • EPA Protocols Portfolio • Regulatory Updates • Resources — Gas Mixtures — Laboratory Gas Generators — Mobile Emissions Monitoring — Nanotechnology — Portable Calibration Gases — Pure Gases — Semiconductor Gases Contact Us Selecting the right combination of blend tolerance, analytical tolerance and traceability is easy when you’ve got help from the right supplier. Airgas, an Air Liquide company, offers six grades, covering most specification requirements: EPA protocol gases Traceability standards Primary standards Precision blends Certified standards Batch certified Our labs have it down to a science with AcuGrav TM All of our specialty gas filling locations use Accugrav TM , our patented filling system that’s totally computerized and provides precise, quality gas mixtures every time. ...

Realize the convenience of getting all your medical gases (cylinders, MicroBulk and bulk), gas equipment, safety products and disaster preparedness kits from one supplier. Our decades of experience with medical gases means you’ll receive the right gases, gas equipment and expertise to help you operate more efficiently and cost-effectively. ...See how you can translate efficient management of gas and safety products into lower costs. When it comes to procuring gases and safety supplies, OUTLOOK® Services can help you coordinate people, gases, equipment and safety products to reduce cylinder balances, gas consumption and time-consuming paperwork. ...

We supply oxygen, nitrogen, hydrogen, helium, argon, carbon dioxide and many other gases from large-scale production facilities throughout the U.S. Our delivery modes include both trucks and rail cars, ensuring continual and reliable supply of industrial gas to our customers. ...Our focus is on how make and deliver your industrial gases in the most efficient, effective and safest way possible–allowing you to continually meet the changing needs of your customers. Our gases specialists will analyze and improve on your current delivery processes, and work with you to design gas delivery systems that are optimized for your specific requirements. ...

We draw on decades of industry experience to determine which gases can be safely contained and transported in which type of gas cylinders. ...Related equipment In addition to the gases you need, Airgas provides gas equipment f or nearly every application imaginable. Packaging options to meet your needs We provide many different types of pure gases and gas mixtures. Depending on your gas and application needs, we can provide you with many different packaging options....

Coming in many different sizes for various applications, our dewars are designed to maintain extremely cold temperatures for cryogenic storage of liquid gases—including nitrogen, oxygen, argon and carbon dioxide. Safety first Your safety is our priority. ...We draw on decades of industry experience to determine which gases can be safely contained and transported in which type of liquid gas cylinders. ...In addition, cryogenic liquid containers for atmospheric and helium pure gases are available. Related equipment In addition to the gases you need, Airgas provides gas equipment for nearly every application imaginable....

As your single source for packaged gases, gas equipment and application expertise, we’ve got everything your cryogenic deflashing operation needs: Reliable liquid nitrogen and CO 2 supply Efficient cryogenic tumblers and shot blasters On-site start-up assistance Safety training and products Ongoing technical support Choose the right machine to suit your needs We offer cryogenic deflashers in various styles and sizes to meet a variety of volume requirements. ...

Keep things rolling with consistent quality As one of the nation's leading single-source suppliers for all things gases, welding and safety, we can get you what you need to finish some of your toughest jobs and refine diagnostic testing, while also helping you keep your employees safe with product application and safety expertise. ...

At Airgas, an Air Liquide company, we know having the right system with the right process controls and equipment is critical to using oxygen for more effective combustion applications. As a leading supplier of gases to the metals and glass industries, our extensive process knowledge will provide you with a total solution that yields many benefits and enhances workplace safety. ...We continue to work with you to make sure your process is working at peak efficiency by providing: Turnkey combustion systems, including design/engineering, installation, testing and commissioning Hardware, including flowtrains, control panels and burners Operational and safety training Process optimization and on-going support Airgas oxy-fuel techniques Replacing air with oxygen: Increases combustion efficiency Reduces flue gas volumes Lowers NOx emissions Oxy-enrichment: Produces higher flame temperatures Reduces NOx emissions Lowers energy costs Increases productivity Targeted addition of oxygen to the combustion zone: Provides improved heat transfer to the process Oxy-Fuel and much more In addition to providing gases and combustion equipment to the metallurgy and glass industries, Airgas is the nation’s largest supplier of industrial, medical and specialty gases, safety equipment and related supplies. ...

Airgas Laboratory Gas Systems Designing a laboratory means making critical decisions, especially when it comes to the delivery and management of your gases and cryogenics. So make the smart decision to work with an expert partner who knows the ins and outs of gas delivery and laboratory design. Every aspect, every step of the way As the nation’s largest supplier of industrial, medical and specialty gases and related equipment, we can assist in all facets of your project and help identify improvements for even the most complex system. ...We work directly with: Architects Engineering firms Design-to-build firms MEP firms General contractors Laboratory design—new construction or retrofit System guide for laboratory gases and cryogenics Turn-key laboratory piping design and installation solutions CAD drawing support—individual equipment and project specific layouts Coordinated and cooperative project management Gas management systems Specialty gases, process chemicals and industrial applications Flammable, toxic, corrosive, high-purity, high-pressure and high-flow systems Pressure regulators Manifolds and changeover systems Point-of-use equipment Fully automated gas cabinets and safety systems Gas detection and monitoring support systems Custom gas delivery systems Automated gas control systems High pressure system design Gas mixing systems Unique application solutions Cryogenic supply, management and design Bulk cryogenic storage and delivery solutions Robust gas delivery systems On-site separation units Generators Tube trailers On-site and off-site cryorepositories Airgas OUTLOOK ® inventory management solutions Vacuum-insulated piping for Liquid Nitrogen Remote monitoring and alarm systems Get the support you need and make sure your laboratory design project is covered from every angle—with expert assistance from the supplier that’s the right fit for you....

As one of the nation's leading single-source suppliers of all things gases, welding and safety, we can also help improve your organization on many levels, including: Supply chain expertise that keeps your sites producing Application expertise for welding, cutting and safety products Deep understanding of what it takes for you to be successful Managing multiple suppliers distracts you from core tasks of energy exploration and transportation. ...

As the nation's leading single-source supplier of all things gases, welding and safety, we can also help improve your organization on many levels, including: Consolidating business spending Inventory optimization Consumable usage Boosting welding process efficiency Assistance with regulatory compliance and safety standards Managing multiple suppliers distracts you from your core goal of R&D, complicates your supply chain and leads to fragmentation. ...Our full-service offering includes: National distribution network Multichannel service eMarket solutions Full range of gas supply modes Expert compliance assistance Capacity support Access to proven talent Find the right products and the right solutions–at the right time Our unmatched national network of more than 1,100 locations, expert account managers, industry specialists, telesales team and a robust eProcurement platform makes sure you’ll find the right gases, the right equipment and the right end-to-end supply-chain solution to meet your needs. ...

Learn how to select, manage and understand your EPA protocols gases from Airgas EPA protocols experts. Learn More AIRGAS NITROGEN SERVICES Keep things flowing Get an uninterrupted supply of quality nitrogen, unparalleled pumping equipment and industry-leading availability. ...

And while eliminating redundancies strengthens workforce engagement, so too does a safety culture supported by the right products and the right product training. With Airgas handling all your gases, welding and safety needs, we provide much more than industry-leading products. ...

By turning to one accountable source for your gases, welding and safety product needs, you get more than greater efficiency. ...

As the leading single-source provider of all things gases, welding and safety to the construction industry, we can deliver the right product, the same product, the best product—to one jobsite or all your sites. ...Find the right products and the right solutions–at the right time An unrivaled national network of more than 1,100 locations, expert account managers, industry specialists, a dedicated telesales team and a robust eProcurement platform make sure you'll find the right gases, the right equipment and the right end-to-end supply-chain solution to meet your needs. ...Learn More SUPPLY CHAIN Manage gases & hardgoods with Airgas OUTLOOK® Managed Services Eliminate waste, realize savings with a complete supply-chain solution for gases, welding and safety products that streamlines the whole management process. ...

Learn More SUPPLY CHAIN Manage gases & hardgoods with Airgas OUTLOOK ® Managed Services Eliminate waste, realize savings with a complete supply-chain solution for gases, welding and safety products that streamlines the whole management process. ...

Learn how to select, manage and understand your EPA protocols gases from Airgas EPA protocols experts. Learn More AIRGAS NITROGEN SERVICES Keep things flowing Get an uninterrupted supply of quality nitrogen, unparalleled pumping equipment and industry-leading availability. ...

Learn More SUPPLY CHAIN Manage gases & hardgoods with Airgas OUTLOOK® Managed Services Eliminate waste, realize savings with a complete supply-chain solution for gases, welding and safety products that streamlines the whole management process. ...

As one of the nation's leading single-source suppliers for all things gases, welding and safety, we have the process expertise to help you: Lower total costs and increase production Leverage customized combustion technologies for heating iron and steel Train your workforce on efficient and effective processes Streamline your supply-chain and procurement strategy Look ahead We don’t take up your time. ...

As one of the nation's leading single-source suppliers of all things gases, welding and safety, we can also help improve your organization on many levels, including: Consolidating business spending Inventory optimization Lowering consumable usage Boosting welding process efficiency Assistance with regulatory compliance and safety standards Managing multiple suppliers distracts you from core tasks, complicates your supply chain and leads to fragmentation. ...Whether you have welding stations or automated systems, we offer objective recommendations based on years of expertise in the following: Process evaluations Equipment sourcing Installation and training Ongoing service Find the right products and the right solutions—at the right time An unrivaled national network of more than 1,100 locations, expert account managers, industry specialists, a dedicated telesales team and a robust eProcurement platform makes sure you’ll find the right gases, the right equipment and the right end-to-end supply-chain solution to maintain and grow your fleet. ...