Packing Instruction 494 (for UN 3399 PG I)

Cargo aircraft only for UN 3399

General requirements

Part 4, Chapter 1 requirements must be met, including:

1) Compatibility requirements

- Substances must be compatible with their packagings as required by 4;1.1.3.

- Metal packagings must be corrosion resistant or be protected against corrosion for substances with a Class 8 subsidiary hazard.

2) Closure requirements

- Closures must meet the requirements of 4;1.1.4.

------------------------------------------------------------------------
                      COMBINATION PACKAGINGS
------------------------------------------------------------------------
                      |       |            |Inner        |
                      |       |  Inner     |packaging    |
UN number and         |Packing|packaging   |quantity (per|Total quantity
proper shipping name  | group |(see 6;3.2) |receptacle)  |per package
------------------------------------------------------------------------
UN 3399 Organometallic|       |   Glass    |    1.0 L    |    1.0 L
        substance,    |       |(see 6;3.2) |             |
        liquid,       |       |-----------------------------------------
        water         |       |Appropriate |             |
        reactive,     |   I   |cylinders or|             |
        flammable     |       |other       |    1.0 L    |    1.0 L
                      |       |pressure    |             |
                      |       |vessels     |             |
                      |       |(see 4;2.7) |             |
------------------------------------------------------------------------

ADDITIONAL PACKING REQUIREMENTS FOR COMBINATION PACKAGINGS

Packing Group I

- Inner packagings must have threaded enclosures and must be surrounded in inert cushioning and absorbent material in a quantity sufficient to absorb the entire contents and enclosed in a leakproof liner, plastic bag or other equally effective means of intermediate leakproof containment.

OUTER PACKAGINGS OF COMBINATION PACKAGINGS (see 6;3.1)

Boxes                         Drums                       Jerricans

Aluminium (4B)                Aluminium (1B1,1B2)         Aluminium (3B1, 3B2)
Fibreboard (4G)               Fibre (1G)                  Plastics (3H1, 3H2)
Natural wood (4C1, 4C2)       Other metal (1N1, 1N2)      Steel (3A1, 3A2)
Other metal (4N)              Plastics (1H1, 1H2)
Plastics (4H1, 4H2)           Steel (1A1, 1A2)
Plywood (4D)
Reconstituted wood (4F)
Steel (4A)