What is the PRIMARY purpose of the federal Hazardous Materials Regulations (HMR) found in 49 CFR?
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ATo set minimum insurance requirements for carriers transporting dangerous goods
BTo determine which materials qualify for exemption from commercial vehicle weight limits
CTo establish maximum speed limits for vehicles carrying hazardous materials on interstate highways
DTo communicate the risks of hazardous materials and ensure they are properly contained during transport
✓ Correct answer: D. To communicate the risks of hazardous materials and ensure they are properly contained during transportPer 49 CFR 171.1 and the FMCSA CDL Manual HazMat section, the HMR exist to communicate the risks of hazardous materials and to ensure those materials are properly contained — protecting drivers, the public, and emergency responders.
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