Table B-3. Relationship between HCCs and Various Regulatory Categories
Shown in Order of Assignment Preference Using 49CFR as a Basis
HCC
EPA
OSHA
DOT
40CFR370.2
29CFR1910.1200
49CFR
A1
NOT REGULATED
LONG TERM HEALTH HAZARD
CLASS 7
A2
NOT REGULATED
LONG TERM HEALTH HAZARD
CLASS 7
A3
NOT REGULATED
LONG TERM HEALTH HAZARD
CLASS 7
E1
SUDDEN RELEASE OF PRESSURE
EXPLOSIVE
CLASS 1.1-1.3
E2
SUDDEN RELEASE OF PRESSURE
EXPLOSIVE
CLASS 1.4-1.6
G1
PRESSURE+ACUTE/CHRONIC HEALTH
COMPRESS GAS + HI TOXIC/TOXIC
CLASS 2.3
G9
PRESSURE+ACUTE/CHRONIC HEALTH+
COMP GAS+HI TOXIC/TOXIC+CORROSIVE
CLASS 2.2+POISON+CORROSIVE
FIRE HAZARD
+OXIDIZER
+ OXIDIZER
G8
PRESSURE+ACUTE/CHRONIC HEALTH
COMPRESS GAS+HI TOXIC/TOXIC
CLASS 2.3 + FLAMMABLE
+ FIRE HAZARD
+ FLAMMABLE
G7
PRESSURE+ACUTE/CHRONIC HEALTH
COMP GAS+HI TOXIC/TOXIC
CLASS 2.2+POISON+OXIDIZER
+ FIRE HAZARD
+ OXIDIZER
G6
PRESSURE + ACUTE HAZARD
COMP GAS+HI TOXIC/TOXIC + CORROSIVE
CLASS 2.2+POISON+CORROSIVE
G2
PRESSURE + FIRE HAZARD
COMP GAS + FLAMMABLE
CLASS 2.1
G4
PRESSURE + OXIDIZER
COMPRESS GAS + OXIDIZER
CLASS 2.2 + OXIDIZER
G5
PRESSURE + ACUTE HEALTH
COMPRESSED GAS + CORROSIVE
CLASS 2.2 + CORROSIVE
G3
SUDDEN RELEASE OF PRESSURE
COMPRESSED GAS
CLASS 2.2
T1
ACUTE HEALTH HAZARD
HIGHLY TOXIC
CLASS 6.1 INHALATION HAZARD
F5
FIRE HAZ+ACUTE/CHRON HEALTH
FLAM/COMB + HI TOXIC/TOXIC
CLASS 3+6.1, PG I-III
F6
FIRE HAZ+ACUTE HEALTH HAZARD
FLAM LIQ/COMB + CORROSIVE
CLASS 3 + CLASS 8
F7
FIRE HAZ+ACUTE HEALTH HAZARD
FLAM LIQ/COMB + CORROSIVE
CLASS 3 + CLASS 8
F1
FIRE HAZARD
FLAMMABLE LIQUID, CLASS IA
CLASS 3 (PG I)
F2
FIRE HAZARD
FLAMMABLE LIQUID, CLASS IB
CLASS 3 (PG II)
F3
FIRE HAZARD
FLAMMABLE LIQUID, CLASS IC
CLASS 3 (PG III)
F4
FIRE HAZARD
COMBUSTIBLE LIQUID, CLASS II
CLASS 3 (PG III)
D2
FIRE HAZ+ACUTE/CHRONIC HEALTH
OXIDIZER + HI TOXIC/TOXIC
CL 5.1 + 6.1, PG I-III
D3
FIRE HAZ+ACUTE HEALTH HAZARD
OXIDIZER + CORROSIVE
CLASS 5.1 + CLASS 8
D4
FIRE HAZ+ACUTE HEALTH HAZARD
OXIDIZER + CORROSIVE
CLASS 5.1 + CLASS 8
D1
FIRE HAZARD
OXIDIZER
CLASS 5.1
R2
REACTIVE
WATER REACTIVE
CLASS 4.3
F8
FIRE HAZARD
PYROPHORIC
CLASS 4.1
R1
REACTIVE + FIRE HAZARD
PYROPHORIC
CLASS 4.2
P1
REACTIVE + FIRE HAZARD
ORGANIC PEROXIDE
CLASS 5.2
V3
SUDDEN RELEASE OF PRESSURE
COMPRESSED GAS
CLASS 2.1
V2
SUDDEN RELEASE OF PRESSURE
COMPRESSED GAS
CLASS 2.2
C4
ACUTE HEALTH HAZARD
CORROSIVE + OXIDIZER
CLASS 8 + CLASS 5.1
C5
ACUTE HEALTH HAZARD
CORROSIVE + OXIDIZER
CLASS 8 + CLASS 5.1
C1
ACUTE HEALTH HAZARD
CORROSIVE
CLASS 8
C2
ACUTE HEALTH HAZARD
CORROSIVE
CLASS 8
B1
ACUTE HEALTH HAZARD
CORROSIVE
CLASS 8
B2
ACUTE HEALTH HAZARD
CORROSIVE
CLASS 8
K1
ACUTE + CHRONIC HEALTH HAZARD
SHORT TERM HEALTH HAZARD
CLASS 6.2
T2
ACUTE HEALTH HAZARD
HIGHLY TOXIC
CLASS 6.1, PG I
T3
ACUTE HEALTH HAZARD
HIGHLY TOXIC
CLASS 6.1, PG II
T4
ACUTE HEALTH HAZARD
TOXIC
CLASS 6.1, PG III
V4
FIRE HAZARD
COMBUSTIBLE LIQUID
COMBUSTIBLE LIQUID
V5
NOT REGULATED
CLASS IIIB
NOT REGULATED
Z2
NOT REGULATED - ARTICLE
NOT REGULATED - ARTICLE
CLASS 8
V1
ACUTE HEALTH HAZARD
SHORT TERM HEALTH HAZARD
CLASS 9
Z1
NOT REGULATED - ARTICLE
NOT REGULATED - ARTICLE
CLASS 9
Z3
NOT REGULATED - ARTICLE
NOT REGULATED - ARTICLE
CLASS 9
Z6
NOT REGULATED - ARTICLE
NOT REGULATED - ARTICLE
CLASS 9
T7
CHRONIC HEALTH HAZARD
CARCINOGEN
NOT REGULATED
T6
ACUTE/CHRONIC HEALTH HAZARD
IRRIT/SENSITIVE/LONG TERM HLTH HAZ
NOT REGULATED
T5
ACUTE/CHRONIC HEALTH HAZARD
TOXIC
NOT REGULATED
K2
ACUTE + CHRONIC HEALTH HAZARD
SHORT TERM HEALTH HAZARD
NOT REGULATED
P2
REACTIVE
ORGANIC PEROXIDE
NOT REGULATED
V7
ACUTE/CHRONIC HEALTH HAZARD
NOT REGULATED
NOT REGULATED
C3
NOT REGULATED
NOT REGULATED
NOT REGULATED
B3
NOT REGULATED
NOT REGULATED
NOT REGULATED
V6
NOT REGULATED
NOT REGULATED
NOT REGULATED
M1
NOT REGULATED
NOT REGULATED
MAGNETIC
Z4
NOT REGULATED - ARTICLE
NOT REGULATED - ARTICLE
NOT REGULATED
Z5
NOT REGULATED - ARTICLE
NOT REGULATED - ARTICLE
NOT REGULATED
Z7
NOT REGULATED - ARTICLE
NOT REGULATED - ARTICLE
NOT REGULATED
N1
NOT REGULATED
NOT REGULATED
NOT REGULATED
