A government safety official ordered a small air carrier to conduct an investigation to determine whether its Cessna planes were exposing workers to noise hazards and make the findings available for government inspection. The carrier asked the OHS Tribunal to stay, i.e., bar enforcement of, both orders claiming that testing would be expensive and unnecessary since workers were already equipped with adequate hearing protection. But the claims fell on deaf ears. All sides agreed that the noise levels were dangerous; the only dispute was whether the PPE was adequate in protecting the workers. And testing was necessary to make that determination, the Tribunal reasoned [Cameron Air Service Ltd., 2017 OHSTC 20 (CanLII), Oct. 27, 2017].