Hazard class 6.2

Class 6.2: Infectious substance

Materials known or reasonably expected to contain pathogens. Below is every Class 6.2 entry in 49 CFR §172.101 that has a UN/NA number — 5 entries.

ID	Proper shipping name	Class	PG
UN2814	Infectious substances, affecting humans	6.2	—
UN2900	Infectious substances, affecting animals only	6.2	—
UN3291	Regulated medical waste, n.o.s. or Clinical waste, unspecified, n.o.s. or (BIO) Medical waste, n.o.s. or Biomedical waste, n.o.s., or Medical Waste n.o.s.	6.2	—
UN3373	Biological substance, Category B	6.2	—
UN3549	Medical waste, category A, affecting humans, solid or Medical waste, category A, affecting animals only, solid	6.2	—

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Other hazard classes

Class 1 Class 2.1 Class 2.2 Class 2.3 Class 3 Class 4.1 Class 4.2 Class 4.3 Class 5.1 Class 5.2 Class 6.1 Class 7 Class 8 Class 9

Source: 49 CFR §172.101 via eCFR.gov, current as of Oct 23, 2026. Reference only.