Special packing provisions
Extra conditions printed inside a packing instruction (PP, B, BB, L, LL and RR codes). These codes appear in Table A column 9a; ADR sets them out in section 4.1.4.1–4.1.4.4 of ADR 2025 (ECE/TRANS/352). 115 codes are in use, 0 reviewed. Each meaning below is a paraphrase in FreightUtils' own words, not the official text.
- B4 · 271 rowsFlexible, fibreboard and wooden IBCs must be sift-proof and water-resistant, or be lined with a liner that is.
- B3 · 218 rowsFlexible IBCs must be sift-proof and water-resistant, or carry a liner that is.
- L1 · 65 rowsLarge robust military explosive articles on the listed UN numbers may be carried without packaging, under conditions.
- PP67 · 65 rowsLarge robust military explosive articles on the listed UN numbers may be carried unpackaged, under conditions.
- PP26 · 26 rowsPackagings must be lead free for the listed explosives and desensitized substances.
- L2 · 21 rowsAerosol and gas cartridge large packagings must stop movement and discharge; waste ones under SP 327 need liquid retention and ventilation.
- PP1 · 21 rowsSmall (≤ 5 L) metal or plastics packagings of certain paints, inks, adhesives etc. in PG II/III need no Chapter 6.1 tests if palletized or inner.
- RR6 · 21 rowsRID/ADR only: as a full load, metal articles may be grouped on trays under plastics covers, stacked and secured on pallets.
- BB4 · 12 rowsRID/ADR only: listed flammable liquids in packing group III under 2.2.3.1.4 may not use IBCs above 450 litres.
- PP87 · 12 rowsUN 1950 waste aerosols under SP 327: packagings need a liquid-retention means and enough ventilation to avoid dangerous atmospheres.
- RR8 · 12 rowsRID/ADR only: pressure receptacles for the listed substances need initial and periodic tests at no less than 1 MPa (10 bar).
- B8 · 11 rowsThe pure substance may not go in IBCs: its vapour pressure is above 110 kPa (50 °C) or above 130 kPa (55 °C).
- B6 · 10 rowsFor certain solids (e.g. UN 1363, 1408, 2211, 3314) the IBCs need not pass the Chapter 6.5 IBC tests.
- PP40 · 10 rowsTen listed UN numbers in packing group II may not be packed in bags.
- B13 · 9 rowsInformative note: IMDG Code prohibits sea carriage in IBCs of UN 1748, 2208, 2880, 3485, 3486 and 3487.
- PP17 · 9 rowsUN 2037 packages are limited to 55 kg net in fibreboard and 125 kg net in other packagings.
- PP96 · 9 rowsUN 2037 waste gas cartridges under SP 327: packagings must be ventilated to avoid dangerous atmospheres and pressure build-up.
- PP21 · 8 rowsCertain type B or C self-reactive substances must use a packaging smaller than packing method OP5 or OP6 allows.
- PP24 · 7 rowsUN 2852 and 3364 to 3369 are limited to 500 g per package.
- PP42 · 7 rowsListed primary explosives: max 50 g per inner packaging, one inner per partitioned compartment, outer up to 25 compartments.
- RR7 · 7 rowsRID/ADR only: pressure receptacles for the listed substances must be tested every five years instead of ten.
- B5 · 5 rowsUN 1791, 2014, 2984 and 3149 in IBCs need a venting device, with its inlet in the vapour space.
- PP20 · 5 rowsAny sift-proof, tearproof receptacle may be used: UN 2217 in P002; UN 1363, 1386, 1408 and 2793 in P003.
- PP69 · 5 rowsUN 0043, 0212, 0225, 0268 and 0306: trays may not be used as inner packagings.
- PP71 · 5 rowsDetonating cord ends must be sealed (e.g. a firmly fixed plug); flexible cord ends fastened securely.
- PP89 · 5 rowsUN 3501–3505: non-refillable cylinders may exceed 4.1.6.9 (b) up to 1 000 L divided by test pressure in bar, max 50 L per ISO 11118.
- PP10 · 4 rowsVenting required: P001 for UN 1791 packing group II; P504 for UN 2014, 2984 and 3149.
- PP12 · 4 rowsUN 1361, 2213 and 3077 may use 5H1, 5L1 and 5M1 bags when carried in closed vehicles or containers.
- PP48 · 4 rowsNo metal packagings for the listed substance; small metal fittings such as closures do not make a packaging metal.
- PP50 · 4 rowsInner packagings are unnecessary when drums are the outer packaging (UN 0027 in P113; UN 0160, 0161, 0508 in P114(b)).
- PP53 · 4 rowsUN 0075, 0143, 0495, 0497 in boxes: inners ≤ 5 L with taped screw caps, absorbent cushioning, max 30 kg propellant per package.
- PP54 · 4 rowsUN 0075, 0143, 0495, 0497 in drums: cushioning to absorb contents, composite option, max 120 litres propellant per package.
- PP57 · 4 rowsUN 0075, 0143, 0495 and 0497 in boxes: bags must be the intermediate packagings.
- PP58 · 4 rowsUN 0075, 0143, 0495 and 0497 in drums: drums must be the intermediate packagings.
- PP61 · 4 rowsUN 0082, 0241, 0331 and 0332: no inner packagings needed in leakproof removable-head drums.
- PP62 · 4 rowsUN 0082, 0241, 0331 and 0332: no inner packagings needed if the explosive is held in liquid-impervious material.
- PP70 · 4 rowsShaped charges: singly packed with cavity down and the package marked; packed in pairs with cavities facing inward.
- PP76 · 4 rowsUN 0271, 0272, 0415 and 0491 in metal packagings: they must be built to prevent explosion from internal pressure rise.
- PP81 · 4 rowsUN 1790 (60–85 % HF) and UN 2031 (> 55 % nitric acid): plastics drums/jerricans as single packagings usable two years from manufacture.
- PP86 · 4 rowsAir must be removed from the vapour space with nitrogen or other means (UN 3392, 3394 in P400; UN 3391, 3393 in P404).
- PP9 · 3 rowsUN 3175, 3243 and 3244 packagings need a design type that passed a PG II leakproofness test; UN 3175 is exempt if liquid fully absorbed in sealed bags.
- PP14 · 3 rowsUN 2211, 2698 and 3314 packagings are exempt from the Chapter 6.1 performance tests.
- PP32 · 3 rowsUN 2857, 3358 and robust UN 3164 articles may go unpackaged, in crates or in suitable overpacks.
- PP33 · 3 rowsUN 1308 in packing groups I and II: only combination packagings of at most 75 kg gross.
- PP45 · 3 rowsIntermediate packagings are not required (UN 0072 and 0226 in P112(a); UN 0144 in P115).
- PP68 · 3 rowsUN 0029, 0267 and 0455: bags and reels may not be used as inner packagings.
- B7 · 2 rowsUN 1222 and 1865 may not be carried in IBCs larger than 450 litres, because of their explosion potential.
- B15 · 2 rowsUN 2031 above 55 % nitric acid: rigid plastics IBCs and composite inner receptacles may be used for two years from manufacture.
- B16 · 2 rowsUN 3375: IBC types 31A and 31N need competent authority approval.
- B18 · 2 rowsUN 3531 and 3533 IBCs must be built to vent gas or vapour so pressure cannot burst them if stabilization fails.
- B19 · 2 rowsUN 3532 and 3534 IBCs must be built to vent gas or vapour so pressure cannot burst them if stabilization fails.
- L3 · 2 rowsInformative note: sea carriage of UN 2208 and 3486 in large packagings is prohibited.
- PP2 · 2 rowsUN 3065 may be packed in wooden barrels of up to 250 litres that do not meet Chapter 6.1.
- PP11 · 2 rowsUN 1309 PG III and UN 1362 may use 5H1, 5L1 and 5M1 bags if overpacked in plastic bags and shrink/stretch-wrapped on pallets.
- PP15 · 2 rowsUN 1324 and 2623 packagings must meet the packing group III performance level.
- PP19 · 2 rowsUN 1364 and 1365 may be carried as bales.
- PP37 · 2 rowsUN 2590 and 2212 may use 5M1 bags; all bags must travel in closed vehicles/containers or closed rigid overpacks.
- PP43 · 2 rowsInner packagings may be omitted when metal or plastics drums are the outer packaging (UN 0159 in P111; UN 0342 in P114(a)).
- PP49 · 2 rowsUN 0094 and 0305: at most 50 g of substance per inner packaging.
- PP52 · 2 rowsUN 0160 and 0161 in metal drums: metal packagings must be built to prevent explosion from internal pressure rise.
- PP72 · 2 rowsUN 0065 and 0289 need no inner packagings when in coils.
- PP77 · 2 rowsUN 0248 and 0249 must be protected from water; unpackaged water-activated contrivances need two independent water barriers.
- PP90 · 2 rowsUN 3506 and 3554: sealed inner liners or bags impervious to mercury or gallium must keep the substance in at any orientation.
- PP92 · 2 rowsUN 3531 and 3533 packagings must be built to vent gas or vapour so pressure cannot burst them if stabilization fails.
- PP93 · 2 rowsUN 3532 and 3534 packagings must be built to vent gas or vapour so pressure cannot burst them if stabilization fails.
- PP94 · 2 rowsVery small energetic samples (2.1.4.3) under UN 3223/3224: microtiter plates in boxes, 0.01 g/ml per cavity, 20 g/ml per package.
- PP95 · 2 rowsSmall energetic samples (2.1.4.3) under UN 3223/3224: 4G box with foam matrix, 1 g/ml per inner, 56 g/ml per package.
- RR4 · 2 rowsRID/ADR only: UN 3130 receptacle openings must be closed by two devices in series, one screwed or equally secured.
- B9 · 1 rowUN 0082 may use IBC100 only for nitrate/combustible mixtures with no nitroglycerin, liquid organic nitrates or chlorates; no metal IBCs.
- B10 · 1 rowUN 0241 may use IBC100 only for water-based oxidizer/nitrate explosives without nitro-derivatives such as TNT; no metal IBCs.
- B12 · 1 rowUN 2907 IBCs must meet the packing group II performance level; IBCs tested to packing group I are not allowed.
- B17 · 1 rowUN 0222 may not be carried in metal IBCs.
- B20 · 1 rowUN 3550 may also go in flexible IBCs 13H3 or 13H4 fitted with siftproof liners against dust escape.
- BB1 · 1 rowRID/ADR only: UN 3130 IBC openings must be closed by two devices in series, one screwed or equally secured.
- BB2 · 1 rowRID/ADR only: UN 1203 may use IBCs only if its actual vapour pressure stays within 110 kPa (50 °C) or 130 kPa (55 °C).
- BB3 · 1 rowRID/ADR only: rules for IBCs carrying UN 3509 discarded empty uncleaned packagings (liners, residue type, inspection, Class 5.1).
- LL1 · 1 rowRID/ADR only: rules for large packagings carrying UN 3509 discarded empty uncleaned packagings.
- PP4 · 1 rowUN 1774 packagings must meet the packing group II performance level.
- PP5 · 1 rowUN 1204 packagings must be built so internal pressure rise cannot cause explosion; no cylinders, tubes or pressure drums.
- PP7 · 1 rowUN 2000 celluloid may go unpacked on film-wrapped, secured pallets of up to 1 000 kg, as a full load in closed vehicles or containers.
- PP8 · 1 rowUN 2002 packagings must be built so internal pressure rise cannot cause explosion; no cylinders, tubes or pressure drums.
- PP13 · 1 rowUN 2870 articles: only combination packagings meeting packing group I performance are allowed.
- PP16 · 1 rowUN 2800 batteries must be protected against short circuit and packed securely in strong outer packagings.
- PP22 · 1 rowUN 3241 (2-bromo-2-nitropropane-1,3-diol) must be packed according to packing method OP6.
- PP25 · 1 rowUN 1347 is limited to 15 kg per package.
- PP27 · 1 rowUN 1331 strike-anywhere matches: no mixing with other dangerous goods except separately packed safety/wax Vesta matches; max 700 per inner.
- PP28 · 1 rowUN 1873: packaging parts in direct contact with perchloric acid must be glass or plastics.
- PP30 · 1 rowUN 2471: paper or fibre inner packagings are not allowed.
- PP31 · 1 rowUN 1131 packagings must be hermetically sealed.
- PP34 · 1 rowUN 2969 as whole beans may use 5H1, 5L1 and 5M1 bags.
- PP38 · 1 rowUN 1309 packing group II: bags only in closed vehicles or containers.
- PP39 · 1 rowUN 1378 in metal packagings needs a venting device.
- PP41 · 1 rowUN 2803 gallium may be overpacked with dry ice or other refrigerant to stay solid, with material, venting and support rules.
- PP46 · 1 rowUN 0209 dry flake or prilled TNT: sift-proof 5H2 bags recommended, max 30 kg net.
- PP47 · 1 rowUN 0222 needs no inner packagings if a bag is the outer packaging.
- PP51 · 1 rowUN 0028: kraft paper or waxed paper sheets may serve as inner packagings.
- PP55 · 1 rowUN 0144: absorbent cushioning material must be inserted.
- PP56 · 1 rowUN 0144: metal receptacles may be used as inner packagings.
- PP59 · 1 rowUN 0144 may use fibreboard boxes (4G) as outer packagings.
- PP60 · 1 rowUN 0144: aluminium drums (1B1, 1B2) and other-metal drums (1N1, 1N2) are not allowed.
- PP63 · 1 rowUN 0081: no inner packagings needed if contained in rigid plastic impervious to nitric esters.
- PP64 · 1 rowUN 0331: no inner packagings needed when 5H2, 5H3 or 5H4 bags are the outer packaging.
- PP66 · 1 rowUN 0081: bags may not be used as outer packagings.
- PP73 · 1 rowUN 0105 needs no inner packagings if its ends are sealed.
- PP74 · 1 rowUN 0101 packaging must be sift-proof unless the fuse is in a paper tube capped at both ends.
- PP75 · 1 rowUN 0101: steel, aluminium or other metal boxes or drums may not be used.
- PP78 · 1 rowUN 3370 is limited to 11.5 kg per package.
- PP80 · 1 rowUN 2907 packagings must meet packing group II performance; packagings tested to packing group I are not allowed.
- PP84 · 1 rowUN 1057 needs rigid PG II outer packagings arranged to stop movement, accidental ignition and gas or liquid release.
- PP91 · 1 rowUN 1044 large fire extinguishers may go unpackaged if 4.1.3.8.1 (a)–(e) are met and valves and fittings are protected.
- PP97 · 1 rowUN 3500 fire extinguishing agents: periodic inspection interval up to 10 years; tubes up to 450 l water capacity allowed.
- RR2 · 1 rowRID/ADR only: UN 1261 may not be packed in removable-head packagings.
- RR5 · 1 rowRID/ADR only: UN 1057 packages of 10 kg gross or less escape PP84 and need meet only some of the 4.1.1 general provisions.
- RR9 · 1 rowRID/ADR only: rules for packagings carrying UN 3509 discarded empty uncleaned packagings.
- RR10 · 1 rowRID/ADR only: UN 1614 absorbed in porous material goes in metal receptacles of at most 7.5 L, fully filled, in wooden cases.