49 CFR Ch. I (10–1–11 Edition)

§ 173.193 49 CFR Ch. I (10–1–11 Edition)

examinations must be made to note leakage or permanent distortion. any escape of gas. The valve of the cyl- Vapor pressure of the contents must inder may not be loosened after this not exceed 140 psig at 55 °C (130 °F). test. Suitable safeguards must be pro- Cans must not be liquid full at 130 °F. vided to protect personnel and facili- Cans must be constructed of tinplate or ties should failure occur during the lined with suitable material and must test. As an alternative, each cylinder have concave or pressure ends. containing phosgene may be tested for (d) Cylinders, except those con- leakage by a method approved in writ- taining methyl bromide, must conform ing by the Associate Administrator. to § 173.40 of this part. [67 FR 51643, Aug. 8, 2002, as amended at 71 [Amdt. 173–224, 55 FR 52643, Dec. 21, 1990, as FR 33880, June 12, 2006] amended at 56 FR 66271, Dec. 20, 1991; 57 FR 45463, Oct. 1, 1992] § 173.193 Bromoacetone, methyl bromide, chloropicrin and methyl bro- § 173.194 Gas identification sets. mide or methyl chloride mixtures, Gas identification sets containing etc. poisonous material must be packaged (a) Bromoacetone must be packaged in packagings conforming to the re- as follows in wooden boxes (4C1, 4C2, 4D quirements of part 178 of this sub- or 4F) with inner glass receptacles or chapter at the Packing Group I per- tubes in hermetically sealed metal re- formance level, as follows: ceptacles in corrugated fiberboard car- (a) In glass inner receptacles, her- tons. Bottles may not contain over 500 metically sealed, of not over 40 mL (1.4 g (17.6 ounces) of liquid each and must fluid ounces) each. Each glass inner re- be cushioned in cans with at least 12.7 ceptacle must in turn be placed in a mm (0.5 inch) of absorbent material. sealed fiberboard receptacle, cushioned Total amount of liquid in the outer box with absorbent material. Not more must not exceed 11 kg (24 pounds). than 12 fiberboard receptacles must in Packagings must conform to the re- turn be placed in a 4G fiberboard box. quirements of part 178 of this sub- No more than four boxes, well-cush- chapter at the Packing Group I per- ioned, may in turn be placed in a steel formance level. cylinder. The cylinder must have a (b) Bromoacetone, methyl bromide, wall thickness of at least 3.7 mm (0.146 chloropicrin and methyl bromide mix- inch) and must have a hermetically tures, chloropicrin and methyl chloride sealed steel closure. mixtures, and chloropicrin mixtures (b) When the poisonous material is charged with non-flammable, non-liq- absorbed in a medium such as acti- uefied compressed gas must be packed vated charcoal or silical gel, gas identi- in Specification 3A, 3AA, 3B, 3C, 3E, 4A, fication sets may be shipped as follows: 4B, 4BA, 4BW, or 4C cylinders having (1) If the poisonous material does not not over 113 kg (250 pounds) water ca- exceed 5 mL (0.2 fluid ounce) if a liquid pacity (nominal). This capacity does or 5 g (0.2 ounce) if a solid, it may be not apply to shipments of methyl bro- packed in glass inner receptacles of not mide. over 120 mL (4.1 fluid ounces) each. (c) Methyl bromide mixtures con- Each glass receptacle, cushioned with taining up to 2% chloropicrin must be absorbent material must be packed in a packaged in 4G fiberboard boxes with hermetically sealed metal can of not inside metal cans containing not over less than 0.30 mm (0.012 inch) wall one pound each, or inside metal cans thickness. Metal cans, surrounded on with a minimum wall thickness of 0.007 all sides by at least 25 mm (1 inch) of inch containing not over 13⁄4 pounds dry sawdust, must be packed in 4C1, each. The one-pound can must be capa- 4C2, 4D or 4F wooden boxes. Not more ble of withstanding an internal pres- than 100 mL (3.4 fluid ounces) or 100 g sure of 130 psig without leakage or per- (3.5 ounces) of poisonous materials may manent distortion. Vapor pressure of be packed in one outer wooden box. the contents must not exceed 130 psig (2) If the poisonous material does not at 55 °C (130 °F). The 13⁄4–pound can exceed 5 mL (0.2 fluid ounce) if a liquid must be capable of withstanding an in- or 20 g (0.7 ounce) if a solid, it may be ternal pressure of 140 psig without packed in glass inner receptacles with

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screw-top closures of not less than 60 § 173.196 Category A infectious sub- mL (2 ounces), hermetically sealed. stances. Twelve bottles containing poisonous (a) Category A infectious substances material, not to exceed 100 mL (3.4 packaging. A packaging for a Division ounces) or 100 g (3.5 ounces), or both, 6.2 material that is a Category A infec- may be placed in a plastic carrying tious substance must meet the test case, each glass receptacle surrounded standards of § 178.609 of this subchapter by absorbent cushioning and each sepa- and must be marked in conformance rated from the other by sponge rubber with § 178.503(f) of this subchapter. A partitions. The plastic carrying case packaging for a Category A infectious must be placed in a tightly fitting fi- substance is a triple packaging con- berboard box which in turn must be sisting of the following components: placed in a tightly fitting 4C1, 4C2, 4D (1) A leakproof primary receptacle. or 4F wooden box. (2) A leakproof secondary packaging. If multiple fragile primary receptacles [Amdt. 173–224, 55 FR 52643, Dec. 21, 1990, as are placed in a single secondary pack- amended at 66 FR 45183, 45381, Aug. 28, 2001] aging, they must be either wrapped in- dividually or separated to prevent con- § 173.195 Hydrogen cyanide, anhydrous, stabilized (hydrocyanic acid, tact between them. aqueous solution). (3) A rigid outer packaging of ade- quate strength for its capacity, mass (a) Hydrogen cyanide, anhydrous, and intended use. The outer packaging stabilized, must be packed in specifica- must measure not less than 100 mm (3.9 tion cylinders or UN pressure recep- inches) at its smallest overall external tacles as follows: dimension. (1) As prescribed in § 173.192; (4) For a liquid infectious substance, (2) Specification 3A480, 3A480X, an absorbent material placed between 3AA480, or 3A1800 metal cylinders of the primary receptacle and the sec- not over 126 kg (278 pounds) water ca- ondary packaging. The absorbent ma- pacity (nominal); terial must be sufficient to absorb the (3) Shipments in 3AL cylinders are entire contents of all primary recep- authorized only when transported by tacles. highway and rail; or (5) An itemized list of contents en- (4) UN cylinders, as specified in part closed between the secondary pack- 178, with a minimum test pressure of aging and the outer packaging. 100 bar and a maximum filling ratio of (6) The primary receptacle or sec- 0.55. The use of UN tubes and MEGCs is ondary packaging used for infectious not authorized. substances must be capable of with- (b) Cylinders may not be charged standing, without leakage, an internal with more than 0.27 kg (0.6 pound) of pressure producing a pressure differen- liquid per 0.45 kg (1 pound) water ca- tial of not less than 95 kPa (0.95 bar, 14 pacity of cylinder. Each filled cylinder psi). must be tested for leakage before being (7) The primary receptacle or sec- offered for transportation or trans- ondary packaging used for infectious ported and must show absolutely no substances must be capable of with- leakage; this test must consist of pass- standing without leakage temperatures in the range of ¥40 °C to +55 °C (¥40 °F ing a piece of Guignard’s sodium pic- to +131 °F). rate paper over the closure of the cyl- (b) Additional requirements for pack- inder, without the protection cap at- aging Category A infectious substances. tached, to detect any escape of hydro- Category A infectious substances must gen cyanide from the cylinder. Other be packaged according to the following equally efficient test methods may be requirements, depending on the phys- used in place of sodium picrate paper. ical state and other characteristics of (c) Packagings for hydrogen cyanide the material. must conform to § 173.40. (1) Infectious substances shipped at am- [Amdt. 173–224, 55 FR 52643, Dec. 21, 1990, as bient temperatures or higher. Primary re- amended at 56 FR 66271, Dec. 20, 1991; 71 FR ceptacles must be made of glass, metal, 33880, June 12, 2006] or plastic. Positive means of ensuring a

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