The answers to the top questions I get about the DOT ERG Booklets: 1) there are 3,233 Hazardous Materials listed 2) there are 465 TIH/PIH Hazardous Materials listed 3) there are 127 Water Reactive Hazardous Materials listed 4) there are still 172 Guides listed in 2012....
2012 DOT ERG by the numbers
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