Help on HazMat Questions
HazMat Tool is not an official site and can answer no technical questions.
Call / Mail the DOT PHMSA Hazardous Materials Information Center:
- for help with the Hazardous Materials Regulations (49 CFR Parts 100-185);
- for information concerning hazardous materials transportation and rulemakings;
- to report violations of the HMR;
- to receive recent copies of Federal Register publications or DOT special permits;
- to request copies of training materials, such as Chart 14 or information packages;
- to request a formal letter of interpretation.