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Have you ever wondered what those 4 numbers in the red diamond mean on the back of semi-trucks, rail cars, or tanks
What's in that truck?
by Dan Carow
What is it about?
Have you ever wondered what those 4 numbers in the red diamond mean on the back of semi-trucks, rail cars, or tanks? They're codes that tell you what kind of Hazardous Material is being transported!
App Store Description
Have you ever wondered what those 4 numbers in the red diamond mean on the back of semi-trucks, rail cars, or tanks? They're codes that tell you what kind of Hazardous Material is being transported!
With this app, now you can figure out for yourself What's in that truck!
The 4 digit codes come from the US Department of Transportation (DOT) and the Pipeline and Hazardous Materials Safety Administration (PHMSA).
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AppAdvice does not own this application and only provides images and links contained in the iTunes Search API, to help our users find the best apps to download. If you are the developer of this app and would like your information removed, please send a request to takedown@appadvice.com and your information will be removed.
