MATERIALS
Similar
to the definition
defines "hazardous
provided
in PHMSA’s online
glossary, the material" as:
3 .1 CLASSE S OF HAZA RDO U S MAT ERIAL S
the substance or allowing For more and divisions:
Hazardous materials are categorized in nine specific classes. Each class is based on various characteristics of the substancemorematerial, such as physical state and risk potential. Classes are further delineated into divisions,
detailed specificdatiobn
detailed specification of the materials o0rt substances. The table that follows highlights key Table
CLASS OR
HAZARDOUS MATERIAL