The IHehsCalc app is a free mobile application for industrial hygienists and EHS professionals, designed to assist them with mathematical calculations on the job. Among its many functions, the app can calculate days away restricted or transferred/total case incident rate, determine if the noise reduction rating of hearing protection is adequate, or convert mg/m3 to PPM. The app’s initial release is for iOS devices, but it also will run on M1 chip Apple computers.
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