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. This technical achievement is radically changing the definition of precision and quality in specialty gas mixtures. The right supply modes You can count on Airgas to meet your gas supply needs safely and reliably with a full range of supply modes, including: High- and low-pressure cylinders Portable liquid dewars Airgas MicroBulk On-site tube trailers...

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. Our comprehensive offering covers portable gas options and the safety product needs of any healthcare facility or private practice. ...More than 1,100 U.S. locations 350 FDA-certified medical gas fill plants 30 medical-only gas facilities 2,500 vehicle delivery fleet Go with Airgas Healthcare for all your medical gases, gas equipment and safety needs and enjoy a streamlined, more efficient supply chain. ...

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. Why choose us If your operations require a flow of carbon dioxide, nitrogen, oxygen, argon, hydrogen or helium in volumes exceeding 100,000 scf per month, our bulk distribution and storage solutions can meet your needs. ...Our expertise extends to the installation, maintenance and monitoring of your liquefied gas storage systems. We offer safe and reliable bulk supply systems in a range of sizes and flow capacities to meet the needs of many industries; thereby eliminating the risk and cost of interruptions to your industrial gas supply. ...

Depending on your gas and application needs, we can provide you with many different packaging options: Steel and aluminum high-pressure cylinders Low-pressure gas cylinders Gas cylinder packs Piston cylinders 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 gas cylinders. Ensuring gas stability Beyond meeting cylinder safety guidelines, we also ensure gas stability by cylinders packages with gas types. This helps protect the integrity of the gas and the package. Related equipment In addition to the gases you need, Airgas provides gas equipment f or nearly every application imaginable. ...

We draw on decades of industry experience to determine which gases can be safely contained and transported in which type of liquid gas cylinders. Ensuring gas stability Beyond meeting safety guidelines, we also ensure gas stability through design and materials of construction of valves and other equipment. This helps protect the integrity of the gas against corrosion and certain chemical reactions. Customer convenience We work hard to ensure convenience, efficiency and complete satisfaction with our packaged gas products. ...Related equipment In addition to the gases you need, Airgas provides gas equipment for nearly every application imaginable....

Acting as a single point of accountability, we help simplify and standardize your operation by providing: Robust metrics Application expertise Key performance indicators Process analysis and training Superior gas blends   Leverage our expertise We leverage our expertise in gas delivery, hydrocarbon standards, industry regulation, inventory management and supply chain efficiencies. And where other suppliers limit their recommendations to proprietary offerings, we provide unbiased opinions on an unrivaled range of products and services. Also, our ability to source gas from a national network of high-pressure filling plants means you never have to worry about gas supply interruptions. ...Our full-service offering includes: National distribution network Full range of gas supply modes Expert compliance assistance Capacity support Access to proven talent Plus, our innovative multichannel service model gives you many ways to find it with us, including: More than 1,400 locations nationwide Expert account managers Industry specialists Dedicated telesales team Robust eProcurement platform With Airgas, you can better manage today’s supply-chain challenges and be better positioned for tomorrow’s opportunities. ...

Acting as a single point of accountability, we help simplify and standardize your operation by providing: Robust metrics Key performance indicators Superior gas blends Application expertise Process analysis and training   Where other suppliers limit their recommendations to proprietary offerings, we offer unbiased opinions on an unrivaled range of products and services. ...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. ...

EPA PROTOCOLS RESOURCE CENTER Tap into our library of EPA protocol gas resources. Learn how to select, manage and understand your EPA protocols gases from Airgas EPA protocols experts. ...

From helping you augment daily operating capacity to limiting turnaround on repairs, we complement supplying all your gas, welding and safety product needs with application and management services and expertise to help you keep things running smoothly. ...Varied delivery modes : Our diverse delivery system ranges from gas and liquid cylinders, to on-site MicroBulk, tube trailer, or bulk tank storage. We can even provide very high-volume gas users with pipeline supply from co-located gas production plants(ASUs). ...

Through Airgas OUTLOOK ® Managed Services we provide a total supply chain solution that monitors and adjusts your gas usage according to your needs to reduce waste. EZ-Trac™, part of OUTLOOK ® Managed Services, combines electronic cylinder tracking as well as balance and consumption data with record keeping that eliminates paperwork and manual entry errors. This layered approach typically provides a 95% reduction in gas-related inventory and run-out incidents. Storing and warehousing demand is diminished with our 1,400 nationwide locations and national distribution network. ...A safe solution based on a review of your project operations and scope is backed by safety and rescue operations personnel on-site to train and supervise your staff. Your breathing and gas detection equipment are maintained and repaired at your facility by skilled Airgas technicians.  ...

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 Make doing business easy with Airgas.com Check cylinder balances, proof of deliveries, view invoices and review contract pricing 24/7 with your Airgas.com account. ...

EPA PROTOCOLS RESOURCE CENTER Tap into our library of EPA protocol gas resources. Learn how to select, manage and understand your EPA protocols gases from Airgas EPA protocols experts. ...

Our streamlined supply chain, application expertise, customized modes of gas delivery and safety solutions enable a diverse range of firms to direct their attention on every phase of production.   ...

We can help you: Identify and implement ways to conserve to reduce overall spend Better manage inventories to minimize costs and lower complexity Reduce gas consumption and cylinder balances for less waste For us, it’s not just about supplying you with what you need, but helping you use it more efficiently. ...Acting as a single point of accountability, we help simplify and standardize your operation by providing: Robust metrics Key performance indicators Superior gas blends Application expertise Process analysis and training   Where other suppliers limit their recommendations to proprietary offerings, we provide unbiased opinions on an unrivaled range of products and services. ...

Whether you're running a refinery, a chemical plant or a natural gas processing facility, availability and consistency are critical to your workforce’s professional growth. ...

It chose Airgas to provide the Standard Reference Materials (SRMs) for gas mixtures used worldwide to calibrate instruments, such as Continuous Emissions Monitors (CEMs). ...These facilities are part of our national network of more than 65 specialty gas labs, approximately two-thirds of which are ISO 9001-registered and three of which are also ISO/IEC 17025-accredited. ...

Applying multiple venues for efficiency: Airgas OUTLOOK ® Managed Services:  Snap your supply chain into shape via a smart, total approach that includes site survey and assessment, transition management, and entry-level or on-site total gas and supplies management. Airgas Inventory Management (AIM™) : Avoid excessive usage and save time with an online solution that provides shelf-life tracking and email notification. ...Varied delivery modes : Our diverse delivery system utilizes tank or tube trailers, on-site storage of bulk or MicroBulk gas, and gas production plant (ASU) management. We provide a safer work environment since we handle the cylinders for you. ...

As one of the energy and chemicals industry’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 Regulatory and safety compliance Acting as a single point of accountability, we help simplify and standardize your operation by providing: Plant-turnaround efficiency Leading EPA protocols Emissions monitoring Application expertise   Process analysis and training Superior gas blends Supply-chain redundancies By reducing the number of suppliers and related costs, we help plants and refineries improve efficiency by: Monitoring global warming gas emissions Assisting with environmental compliance Assuring on-stream performance Managing multi-site accounts Discover what’s missing from your purchasing plan by going beyond product and price. ...We produce these high-tolerance blends at local specialty gas laboratories that are ISO 9001-registered and ISO 17025-accredited. In fact, our gases are so precise that we are the exclusive Standard Reference Material (SRM) supplier to the National Institute of Standards and Technology (NIST). Plus, our ability to source gas from a national network of 300 high-pressure filling plants means you never have to worry about gas supply interruptions.   ...

Acting as a single point of accountability, we’re proactive in helping you work more efficiently, lower total costs and effectively increase production by providing: Robust metrics Key performance indicators Superior gas blends Application expertise Process analysis and training Flexible modes of gas delivery Where other suppliers limit their recommendations to proprietary offerings, we offer unbiased opinions on an unrivaled range of products and services. ...

We can help you increase arc-on times while matching the right products with the right application. Operating budgets drop as gas usage decreases and jobs are finished with a greater expediency and proficiency. ...Evaluations cover: Weld size Joint design and fit-up Deposition rate Weld reject rate and rework Operating factors Work cell efficiency Weld quality and appearance Gas management control Gas mix composition Gas package and distribution Process selection and procedures Rely on experience In your industry, experienced productivity partners know better outcomes begin with improving processes and implementing best practices across their entire organization—including welding, procurements, inventory management and safety.   ...