Gene Larson: About the Author
President, ECHO Ultrasonics

Gene Larson

Metallurgical engineer with 52 years’ experience in Ultrasonics in Nondestructive Testing, medical ultrasound imaging and , high intensity medical ultrasound (HIFU), Founder of four ultrasonic NDT companies (Aerotech, now GE Inspection Technologies, Echo Laboratories, now Philips Medical Ultrasound, Sonotech now owned by Magnaflux division of ITW and Echo Ultrasonics). 

Personally developed 26 commercial  NDT ultrasonic couplants  including 7 high temperature UT couplants and 11 Medical Ultrasound Imaging couplants. Received American Institute of Ultrasound in Medicine “Pioneer in Ultrasound” award in 1988. Awarded 9 patents in Ultrasound and coating technologies. Professor in department of engineering at Penn State University. Level III in UT 1978. BS Metallurgy 1964.

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Published Articles


UT couplant auto-ignition is a surprise event that puts the safety of inspectors at risk. In an effort to reduce occurrences, API SCIMI plans to address this issue by including new paragraphs in the upcoming rewrites of API RP 572 and API RP 574.

Authors: Gene Larson
July/August 2016 Inspectioneering Journal

This article details the basis for the lack of understanding about the potential for ultrasonic couplant auto-ignition and outlines an ALARP operating practice for mitigation.

Authors: Gene Larson

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