366
49 CFR Ch. I (10–1–18 Edition)
§ 172.102
intermediate bulk containers (IBC) and
UN13H4 woven plastic, coated and with
liner flexible intermediate bulk con-
tainers (FIBCs) meeting the Packing
Group II performance level and lined
with a plastic liner of at least 6 mil
thickness.
d. All inner packagings placed inside bulk
outer packagings must be blocked and
braced to prevent movement during
transportation that could cause the con-
tainer to open or fall over. Specification
IBCs and FIBCs are to be secured to a
pallet.
B132
Except for transportation by aircraft,
UN2813, Water reactive solid, n.o.s. (con-
tains magnesium, magnesium nitrides) in
PG II or III may be packaged in sift-proof
bulk packagings that prevent liquid from
reaching the hazardous material with suffi-
cient venting to preclude dangerous accu-
mulation of flammable, corrosive or toxic
gaseous emissions such as methane, hydro-
gen and ammonia.
B133
Hydrochloric acid concentration not
exceeding 38%, in Packing Group II, is au-
thorized to be packaged in UN31H1 or
UN31HH1 intermediate bulk containers
when loaded in accordance with the re-
quirements of § 173.35(h) of this subchapter.
B134
For Large Packagings offered for
transport by vessel, flexible or fibre inner
packagings shall be sift-proof and water-
resistant or shall be fitted with a sift-proof
and water-resistant liner.
B135
For Large Packagings offered for
transport by vessel, flexible or fibre inner
packagings shall be hermetically sealed.
(4)
IB Codes and IP Codes.
These pro-
visions apply only to transportation in
IBCs and Large Packagings. Table 1 au-
thorizes IBCs for specific proper ship-
ping names through the use of IB Codes
assigned in the § 172.101 table of this
subchapter. Table 2 defines IP Codes on
the use of IBCs that are assigned to
specific commodities in the § 172.101
Table of this subchapter. Table 3 au-
thorizes Large Packagings for specific
proper shipping names through the use
of IB Codes assigned in the § 172.101
table of this subchapter. Large Pack-
agings are authorized for the Packing
Group III entries of specific proper
shipping names when either special
provision IB3 or IB8 is assigned to that
entry in the § 172.101 Table. When no IB
code is assigned in the § 172.101 Table
for a specific proper shipping name, or
in § 173.185 or § 173.225(e) Organic Per-
oxide Table for Type F organic perox-
ides, use of an IBC or Large Packaging
for the material may be authorized
when approved by the Associate Ad-
ministrator. The letter ‘‘Z’’ shown in
the marking code for composite IBCs
must be replaced with a capital code
letter designation found in
§ 178.702(a)(2) of this subchapter to
specify the material used for the other
packaging. Tables 1, 2, and 3 follow:
T
ABLE
1—IB C
ODES
(IBC C
ODES
)
IBC code
Authorized IBCs
IB1 .............................
Authorized IBCs:
Metal (31A, 31B and 31N).
Additional Requirement:
Only liquids with a vapor pressure less than or equal to 110 kPa at 50
°
C (1.1
bar at 122
°
F), or 130 kPa at 55
°
C (1.3 bar at 131
°
F) are authorized.
IB2 .............................
Authorized IBCs:
Metal (31A, 31B and 31N); Rigid plastics (31H1 and 31H2); Composite (31HZ1).
Additional Requirement:
Only liquids with a vapor pressure less than or equal to 110 kPa at 50
°
C (1.1
bar at 122
°
F), or 130 kPa at 55
°
C (1.3 bar at 131
°
F) are authorized.
IB3 .............................
Authorized IBCs:
Metal (31A, 31B and 31N); Rigid plastics (31H1 and 31H2); Composite (31HZ1 and
31HA2, 31HB2, 31HN2, 31HD2 and 31HH2).
Additional Requirement:
Only liquids with a vapor pressure less than or equal to 110 kPa at 50
°
C (1.1
bar at 122
°
F), or 130 kPa at 55
°
C (1.3 bar at 131
°
F) are authorized, except for UN2672 (also see
special provision IP8 in Table 2 for UN2672).
IB4 .............................
Authorized IBCs:
Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N).
IB5 .............................
Authorized IBCs:
Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N); Rigid plastics (11H1,
11H2, 21H1, 21H2, 31H1 and 31H2); Composite (11HZ1, 21HZ1 and 31HZ1).
IB6 .............................
Authorized IBCs:
Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N); Rigid plastics (11H1,
11H2, 21H1, 21H2, 31H1 and 31H2); Composite (11HZ1, 11HZ2, 21HZ1, 21HZ2 and 31HZ1).
Additional Requirement:
Composite IBCs 11HZ2 and 21HZ2 may not be used when the hazardous ma-
terials being transported may become liquid during transport.
IB7 .............................
Authorized IBCs:
Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N); Rigid plastics (11H1,
11H2, 21H1, 21H2, 31H1 and 31H2); Composite (11HZ1, 11HZ2, 21HZ1, 21HZ2 and 31HZ1); Wood-
en (11C, 11D and 11F).
Additional Requirement:
Liners of wooden IBCs must be sift-proof.
IB8 .............................
Authorized IBCs:
Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N); Rigid plastics (11H1,
11H2, 21H1, 21H2, 31H1 and 31H2 ); Composite (11HZ1, 11HZ2, 21HZ1, 21HZ2 and 31HZ1); Fiber-
board (11G); Wooden (11C, 11D and 11F); Flexible (13H1, 13H2, 13H3, 13H4, 13H5, 13L1, 13L2,
13L3, 13L4, 13M1 or 13M2).
IB9 .............................
IBCs are only authorized if approved by the Associate Administrator.
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