1) TO DEVELOP AND RUGGEDIZE THE GE’S DEH2 SENSORS FOR INDUSTRIAL H2-SENSING APPLICATIONS TO MEET THE TECHNICAL TARGETS PRESENTED BY THE DOE, ADVANCING THE SENSORS FROM TRL 3 TO TRL 6, AND 2) TO DEVELOP A H2 LEAK QUANTIFICATION SYSTEM FOR LARGE- SCALE H2 INFRASTRUCTURE SITES THAT CAN QUANTIFY LEAK RATE WITH LESS THAN 20% ERROR, ADVANCING THE SYSTEM FROM TRL 2 TO TRL 6. THE TEAM EXPECTS THAT THE PROJECT OUTCOMES AT THE END OF THE 3-YEAR FUNDING PERIOD WILL MEET AND, IN SOME CASES, EXCEED THE TECHNICAL TARGETS SET BY THE DOE.