Pipeline and Haz. Matls. Safety Admin., DOT 66 Formulations of these substances containing not less than 30 percent non-volatile, non-flammable phlegmatizer are not subject to this subchapter. 70 Black powder that has been classed in accordance with the requirements of Section 173.56 of this subchapter may be reclassed and offered for domestic transportation as a Division 4.1 material if it is offered for transportation and transported in accordance with the limitations and packaging requirements of Section 173.170 of this subchapter. 74 During transport, this material must be protected from direct sunshine and stored or kept in a cool and well-ventilated place, away from all sources of heat. 78 This entry may not be used to describe compressed air which contains more than 23.5 percent oxygen. Compressed air containing greater than 23.5 percent oxygen must be shipped using the description - Compressed gas, oxidizing, n.o.s., UN3156. - 79 This entry may not be used for mixtures that meet the definition for oxidizing gas. 81 Polychlorinated biphenyl items, as defined in 40 CFR 761.3, for which specification packagings are impractical, may be packaged in non-specification packagings meeting the general packaging requirements of subparts A and B of part 173 of this subchapter. Alternatively, the item itself may be used as a packaging if it meets the general packaging requirements of subparts A and B of part 173 of this subchapter. 101 The name of the particular substance or article must be specified. 102 The ends of the detonating cord must be tied fast so that the explosive cannot escape. The articles may be transported as in Division 1.4 Compatibility Group D (1.4D) if all of the conditions specified in Section 173.63(a) of this subchapter are met. 103 Detonators which will not mass detonate and undergo only limited propagation in the shipping package may be assigned to 1.4B classification code. Mass detonate means that more than 90 percent of the devices tested in a package explode practically simultaneously. Limited propagation means that if one detonator near the center of a shipping package is exploded, the aggregate weight of explosives, excluding ignition and delay charges, in this and all additional detonators in the outside packaging that explode may not exceed 25 grams. 105 The word - Agents - may be used instead of - Explosives - when approved by the Associate Administrator. 106 The recognized name of the particular explosive may be specified in addition to the type. 107 The classification of the substance is expected to vary especially with the particle size and packaging but the border lines Section 172.102 have not been experimentally determined; appropriate classifications should be verified following the test procedures in SectionSection 173.57 and 173.58 of this subchapter. 108 Fireworks must be so constructed and packaged that loose pyrotechnic composition will not be present in packages during transportation. 109 Rocket motors must be nonpropulsive in transportation unless approved in accordance with Section 173.56 of this subchapter. A rocket motor to be considered - nonpropulsive - must be capable of unrestrained burning and must not appreciably move in any direction when ignited by any means. 110 Fire extinguishers transported under UN1044 and oxygen cylinders transported for emergency use under UN1072 may include installed actuating cartridges (cartridges, power device of Division 1.4C or 1.4S), without changing the classification of Division 2.2, provided the aggregate quantity of deflagrating (propellant) explosives does not exceed 3.2 grams per cylinder. Oxygen cylinders with installed actuating cartridges as prepared for transportation must have an effective means of preventing inadvertent activation. 111 Explosive substances of Division 1.1 Compatibility Group A (1.1A) are forbidden for transportation if dry or not desensitized, unless incorporated in a device. 113 The sample must be given a tentative approval by an agency or laboratory in accordance with Section 173.56 of this subchapter. 114 Jet perforating guns, charged, oil well, without detonator may be reclassed to Division 1.4 Compatibility Group D (1.4D) if the following conditions are met: a. The total weight of the explosive contents of the shaped charges assembled in the guns does not exceed 90.5 kg (200 pounds) per vehicle; and b. The guns are packaged in accordance with Packing Method US 1 as specified in Section 173.62 of this subchapter. 115 Boosters with detonator, detonator assemblies and boosters with detonators in which the total explosive charge per unit does not exceed 25 g, and which will not mass detonate and undergo only limited propagation in the shipping package may be assigned to 1.4B classification code. Mass detonate means more than 90 percent of the devices tested in a package explode practically simultaneously. Limited propagation means that if one booster near the center of the package is exploded, the aggregate weight of explosives, excluding ignition and delay charges, in this and all additional boosters in the outside packaging that explode may not exceed 25 g. 116 Fuzes, detonating may be classed in Division 1.4 if the fuzes do not contain more than 25 g of explosive per fuze and are made and packaged so that they will not cause functioning of other fuzes, explosives 347 VerDate Sep<11>2014 16:41 Oct 31, 2018 Jkt 244226 PO 00000 Frm 00357 Fmt 8010 Sfmt 8010 Q:\49\49V2.TXT PC31