Have you ever wondered what those 4 numbers in the red diamond mean on the back of semi-trucks, rail cars, or tanks? Theyre codes that tell you what kind of Hazardous Material is being transported With this app, now you can figure out for yourself Whats in that truck The 4 digit codes come from the US Department of Transportation (DOT) and the Pipeline and Hazardous Materials Safety Administration (PHMSA).

What's in that truck? alternatives

Decibel X - dBA Noise Meter

Decibel X is one of very few noise meter apps on the market that has highly reliable, pre-calibrated measurements and supports dBA, dBC. It turns your iOS device into a professional sound level meter, precisely measures the sound pressure level (SPL) all around you. If you like it or have suggestions, please support us by rating and giving us comments and feedback.

  • rating 4.46666
  • size 34.6 MB

Norton Identity Safe

NIOSH SLM

NIOSH estimates that 22 million workers are exposed to hazardous noise levels every year. In addition to damaging workers quality of life, occupational hearing loss carries a high economic burden. For additional information and detailed guidance on how to use the app, please visit the NIOSH app page at: https://www.cdc.gov/niosh/topics/noise/app.html

  • rating 4.0
  • size 25.5 MB

Rescue Field Guide