AIHA recently released the free IH Calculator LITE app, a calculator that aids industrial hygienists in performing OH&S calculations quickly and efficiently on their mobile device. Topics include: Noise, Heat Stress, Ventilation, Exposure Assessment and is complimented with a range of conversions such as volume, distance, pressure, temperature, TLVs, and more. The app is currently only available on Apple products (iOS).
Source: AIHA