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...

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. ...Walk-O 2 -Bout lightweight cylinders feature a built-in regulator, 50-psi DISS outlet and a handle that make it easy to lift and carry anywhere. A focus on safety Our network of nearly 600 medical gas specialists understands and follows FDA and local regulatory requirements for medical gases and their applications. ...

Our delivery modes include both trucks and rail cars, ensuring continual and reliable supply of industrial gas to our 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. ...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. ...

Available in various sizes, our cylinders meet specific customer needs in a wide range of industrial, medical and specialty gas applications. Packaging options to meet your needs We provide many different types of pure gases and gas mixtures. ...That’s why all of our cylinder sizes, materials and valve types are determined by CGA, DOT and TC guidelines. We draw on decades of industry experience to determine which gases can be safely contained and transported in which type of gas cylinders. ...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. That’s why all of our dewar sizes, materials and valve types are determined by CGA, DOT and TC guidelines. 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. ...

And where other suppliers limit their recommendations to proprietary offerings, we provide unbiased opinions on an unrivaled range of products and services. ...We can help you create more opportunities for success by reducing supply chain risks; add greater flexibility to your buying programs; make sure all operations personnel understand and benefit from the program, and take advantage of the latest spend data and apply it effectively. ...Learn More Supply Chain Solutions Get visibility, control and savings Are you ready? Improve your procurement process, gain visibility and control of inventory, increase safety and productivity, and lower your overall costs Learn More...

With so many aerospace and defense suppliers making the same promise, what separates one from another? ...Choose a procurement partner that can help you measure and monitor your business growth and savings, and make a difference in your company’s future.   ...Better manage today’s supply-chain challenges and be better positioned for tomorrow’s opportunities....

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. 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 Solutions Get visibility, control and savings Are you ready? Improve your procurement process, gain visibility and control of inventory, increase safety and productivity, and lower your overall costs. ...

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. ...With Airgas, you can avoid a pileup of procurement paperwork, and our deep industry knowledge and safety expertise help you avoid gas-related hazards. ...Many tools for single-source efficiency: Airgas OUTLOOK ® Managed Services whips 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™) : An extensive online inventory management system that includes cylinder tracking and Vendor Managed Inventory (VMI) solutions helps you avoid excessive usage and save time while adding ease to your process via shelf-life tracking and email notification.  ...

With a decreased on-site inventory and a better way to manage it, there are literally fewer risks to your supply chain and workforce. ...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.  ...

Supply interruptions affect your deadlines in the short term and your strategy implementation in the long term—and both impact your future. ...Firms with supply chains that support innovation enjoy greater autonomy and higher year-over-year hard savings. Yet your procurement strategy is only as effective as your supply partners—and their ability to execute on your implementation goals and omni-channel needs.   ...RENTALS Buy, rent or lease with Red-D-Arc® Get the welding equipment, welding positioning equipment, portable power and lighting systems, plus expertise you need—when and where you need them. ...

Reduce incidents and downtime The depth of our on-site experience and the breadth of our safety equipment answer virtually any safety need. Our single-source capabilities, including equipment maintenance and repair, help you reduce costs and save valuable time in the process. We provide a wide range of safety services, including: Safety supervision Safety training, including confined-space training Incident reporting and investigation Safety/loss prevention and loss-control management Safety audits and inspections Safety plan development and implementation Instrumentation repair and calibration Equipment maintenance and repair Safety beyond products Commitment to site safety goes beyond posters and products. ...

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. 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 Solutions Get visibility, control and savings Are you ready? Improve your procurement process, gain visibility and control of inventory, increase safety and productivity, and lower your overall costs. ...

As a leading provider of fully integrated safety solutions, we have the experience—and objectivity—to protect your people and preserve your productivity levels. It also helps that we have more than 30,000 safety products and 500 QSSP-certified safety specialists. Protect your personnel with a partner that provides safety expertise in both products and practice. Invested in your safety culture Commitment to construction site safety goes beyond posters and products. Successful companies implement a pervasive top-down safety culture that optimizes worker protection without sacrificing productivity and profitability. ...

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. ...An informed supply chain keeps your workforce busy enhancing existing skills—and learning new ones. Access to the right product, the same product and the best product keeps production up and running. ...We can help you boost productivity, lower costs, improve product quality and enhance safety with: Process evaluation and optimization studies Turnkey heating/combustion systems, including design, installation, testing and commissioning Hardware, including flowtrains and control panels Operational and safety training Process optimization and continuous support Step up and stand out Support your personnel with efficiency-enhancing operational standards backed by interwoven safety standards. ...

You need a supplier that understands your production processes and has the applications, supply chain and expertise to help you shorten fleet repair and production schedules.   Go much farther We provide supply-chain value beyond price. Our supply-chain and applications expertise help you implement a well-informed procurement strategy and a structured buying agreement that offer more than SKU management and pricing. ...Discover what’s missing from your smart buying strategy by going beyond product and price. Choose a procurement partner that can help you measure and monitor your business growth and savings, and make a difference in the future of your company....

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. ...Fill the skills gap We see how an uninterrupted supply chain helps them—and you—accelerate their professional development. Partnering with Airgas means creating procurement strategies that can help you streamline your supply chain, standardize your processes and create a sustainable and stable workforce for years to come. ...You’ll always have direct access to guidance on proper selection, training and usage. Transform your workforce today and for years to come through enhanced output, visible craftsmanship and employee retention....

As a leading provider of safety gear and services, we help Aerospace and Defense companies of all sizes protect personnel without compromising productivity. Select from over 30,000 safety products from Radnor® and other leading brands—all backed by the expertise of more than 100 objective safety product specialists. Protect your personnel, labs and R&D productivity levels with a partner that also provides safety expertise in both products and practice....

Our single-source capabilities, including equipment maintenance and repair, help you reduce costs and save valuable time in the process. We provide a wide range of safety services, including: Safety supervision Safety training/confined-space training Incident reporting and investigation Safety/loss prevention and loss-control management Safety audits and inspections Safety plan development and implementation Instrumentation repair and calibration Equipment maintenance and repair With an expansive national footprint, an extensive product line and unrivaled expertise, we provide one complete solution for all your needs for on-site safety, gases, and maintenance, repair and operations (MRO) equipment. ...We provide the products, services and expertise needed to maximize safety and productivity during plant turnarounds, including: On-site pre-turnaround planning Safety services (training, supervision, confined-space monitoring, rescue teams) Respiratory equipment rental and service Air-quality monitor rental and service Fall protection rental and service Decontamination trailers Blast-proof trailers Respirators, fall protection, monitors and meters Stand-by rescue teams Turnaround services and expertise ColdJet® dry ice blasting cleaning and surface finishing process Avoid slowdowns, shutdowns and safety risks with on-site safety that has you covered. ...

> --> Improve the quality of your work and the quantity of your output with the help of one of the industry’s leading single-source providers of all things gases, welding and safety, including: TIG and Aluminum MIG gases MIG gases Laser gases Acetylene , Propylene and Propane fuel gases Safety products Inventory management Workforce development Welding machines and supplies Leasing and rental options Welding efficiency With deep roots in the industry, Airgas can provide the insight and products essential to advancing end-to-end supply-chain cost effectiveness and simplicity, guidance to help you keep your workers safe and strategies to help you keep skilled workers on the job. ...RENTALS Buy, rent or lease with Red-D-Arc® Get the welding equipment, welding positioning equipment, portable power and lighting systems, plus expertise you need—when and where you need them. ...Learn More SUPPLY CHAIN SOLUTIONS Get visibility, control and savings Are you ready? Improve your procurement process, gain visibility and control of inventory, increase safety and productivity, and lower your overall costs. ...