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Linde North America and TestAmerica Team Set Guinness World Record


Linde North America, Inc., by working in collaboration with TestAmerica, is now recognized as a Guinness World Record holder. The category: Development of a calibration standard that produces the greatest number of separate chemical components in a single gas mixture. The pioneering 110-component calibration gas mixture standard was designed and engineered for TestAmerica Laboratories, Inc. The standard is currently used by TestAmerica’s Austin, Texas laboratory for the identification and quantitation of volatile organic compounds (VOCs) in air samples.

The calibration standard, part of Linde’s HiQ® specialty gases range, is used to identify and confirm the presence of over one hundred VOCs in indoor and ambient air samples. The complexity and sophistication of the calibration gas mixture standard allows for the evaluation of probable component interaction, mixture stability, and manufacturing of a final gas mixture with precision.

“Linde’s recent development provides TestAmerica the capability to analyze for compounds of interest in air samples with one analytical standard. This significantly reduces the time for set up and calibration of our own laboratory instruments, which enhances our capacity and efficiency,” offered William Elcoate, TestAmerica’s Air Product Director.

For a copy of the record, please visit Guinness World Records. To see a copy of a published press release on the calibration gas mixture standard for TestAmerica, please visit Linde North America. Linde North America is a member of The Linde Group, a world leading healthcare, gases and engineering company. For more information on TestAmerica general air capabilities, you may visit

About TestAmerica

TestAmerica is the leading environmental testing firm in the United States, including 36 laboratories and 35 service centers. TestAmerica provides innovative technical expertise and comprehensive analytical testing services. Specialty analyses include source and ambient air, aquatic toxicity, explosives, specialty organics, dioxins, drinking water, sediments and tissues, emerging contaminants, radiochemistry and mixed waste testing.

TestAmerica affiliate companies include EMLab P&K, the leader in analytical microscopy and indoor air quality; QED Environmental Systems, Inc., the leading supplier of groundwater sampling equipment and remediation pumping systems; TestAmerica Drilling Corp., provider of innovative environmental and geotechnical drilling; and TestAmerica Air Emissions Corp. (METCO Environmental), specializing in air emissions testing. TestAmerica currently employs nearly 2,800 professionals dedicated to exceptional service and solutions for our clients’ environmental testing needs.

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 environmental testing
 Linde North America
 110-component calibration
 indoor gas
 ambient air

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