227
Pipeline and Haz. Matls. Safety Admin., DOT
ยง
172.101
Hafnium powder, wetted
with not
less than 25 percent water (a
visible excess of water must be
present) (a) mechanically pro-
duced, particle size less than 53
microns; (b) chemically produced,
particle size less than 840 mi-
crons
4.1 UN1326
II
4.1
A6, A19, A20, IB6, IP2,
N34, T3, TP33, W31,
W40
None
212
241
15 kg
50 kg
E
74
Hand signal device, see
Signal de-
vices, hand
Hazardous substances, liquid or
solid, n.o.s., see
Environmentally
hazardous substances,
etc
D G
Hazardous waste, liquid, n.o.s.
9 NA3082
III
9
IB3, T2, TP1 155
203
241
No limit
No limit
A
D G
Hazardous waste, solid, n.o.s.
9 NA3077
III
9
B54, IB8, IP2, T1, TP33 155
213
240
No limit
No limit
A
Heating oil, light
3 UN1202
III
3
B1, IB3, T2, TP1 150
203
242
60 L
220 L
A
Helium, compressed
2.2 UN1046
......
2.2
........................................
306
302
302,
314
75 kg
150 kg
A
85
Helium, refrigerated liquid
(cryo-
genic liquid)
2.2 UN1963
2.2
T75, TP5 320
316
318
50 kg
500 kg
D
Heptafluoropropane
or
Refrigerant
gas R 227
2.2 UN3296
2.2
T50 306
304
314,
315
75 kg
150 kg
A
n-Heptaldehyde
3 UN3056
III
3
B1, IB3, T2, TP1 150
203
242
60 L
220 L
A
Heptanes
3 UN1206
II
3
IB2, T4, TP2 150
202
242
5 L
60 L
B
n-Heptene
3 UN2278
II
3
IB2, T4, TP1 150
202
242
5 L
60 L
B
Hexachloroacetone
6.1 UN2661
III
6.1
IB3, T4, TP1 153
203
241
60 L
220 L
B
12, 40
Hexachlorobenzene
6.1 UN2729
III
6.1
B3, IB8, IP3, T1, TP33 153
203
241
60 L
220 L
A
Hexachlorobutadiene
6.1 UN2279
III
6.1
IB3, T4, TP1 153
203
241
60 L
220 L
A
Hexachlorocyclopentadiene
6.1 UN2646
I
6.1
2, B9, B14, B32, B77,
T20, TP2, TP13, TP38,
TP45
None 227
244 Forbidden
Forbidden D 25,
40
Hexachlorophene
6.1 UN2875
III
6.1
IB8, IP3, T1, TP33 153
213
240
100 kg
200 kg
A
Hexadecyltrichlorosilane
8 UN1781
II
8
A7, B2, B6, N34, T10,
TP2, TP7, TP13
None 206
242 Forbidden
30
L C
40
Hexadienes
3 UN2458
II
3
IB2, T4, TP1 None
202
242
5 L
60 L
B
Hexaethyl tetraphosphate and com-
pressed gas mixtures
2.3 UN1612
2.3
3 None
334
None
Forbidden Forbidden
D
40
Hexaethyl tetraphosphate,
liquid
6.1 UN1611
II
6.1
IB2, N76, T7, TP2 153
202
243
5 L
60 L
E
40
Hexaethyl tetraphosphate,
solid
6.1 UN1611
II
6.1
IB8, IP2, IP4, N76 153
212
242
25 kg
100 kg
E
40
Hexafluoroacetone
2.3 UN2420
2.3, 8
2, B9, B14 None
304
314,
315
Forbidden Forbidden D
40
Hexafluoroacetone hydrate, liquid
6.1 UN2552
II
6.1
IB2, T7, TP2 153
202
243
5 L
60 L
B
40
Hexafluoroacetone hydrate, solid
6.1 UN3436
II
6.1
IB8, IP2, IP4, T3, TP33 153
212
242
25 kg
100 kg
B
40
Hexafluoroethane,
or
Refrigerant
gas R 116
2.2 UN2193
2.2
306
304
314,
315
75 kg
150 kg
A
Hexafluorophosphoric acid
8 UN1782
II
8
A6, A7, B2, IB2, N3,
N34, T8, TP2
None
202
242
1 L
30 L
A
Hexafluoropropylene compressed
or
Refrigerant gas R 1216
2.2 UN1858
2.2
T50 306
304
314,
315
75 kg
150 kg
A
Hexaldehyde
3 UN1207
III
3
B1, IB3, T2, TP1 150
203
242
60 L
220 L
A
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