§ 173.193 Bromoacetone, methyl bromide, chloropicrin and methyl bromide or methyl chloride mixtures, etc.
发布08-07
生效09-08
摘要总结AI 辅助解读
本条款规定了溴丙酮、甲基溴、氯化苦及其混合物在美国运输时的包装要求。核心内容包括：(a)款规定溴丙酮须使用特定金属或木箱，内衬玻璃容器及密封金属罐，单瓶限500克，外箱总液量限11公斤，需符合I级包装组标准；(b)款规定含压缩气体的混合物须使用指定规格气瓶，容量一般不超过113公斤水容量，但甲基溴混合物不受此限，且部分4BW气瓶可至453公斤；(c)款针对含2%以下氯化苦的甲基溴混合物，规定使用4G纤维板箱及特定耐压金属罐（1磅或1.75磅），并明确压力测试标准；(d)款要求除甲基溴外的气瓶须符合§173.40规定。
- (a) Bromoacetone must be packaged as follows in metal boxes (4A, 4B or 4N) or wooden boxes (4C1, 4C2, 4D or 4F) with inner glass receptacles or tubes in hermetically sealed metal receptacles in corrugated fiberboard cartons. Bottles may not contain over 500 g (17.6 ounces) of liquid each and must be cushioned in cans with at least 12.7 mm (0.5 inch) of absorbent material. Total amount of liquid in the outer box must not exceed 11 kg (24 pounds). Packagings must conform to the requirements of part 178 of this subchapter at the Packing Group I performance level.
- (b) Bromoacetone, methyl bromide, chloropicrin and methyl bromide mixtures, chloropicrin and methyl chloride mixtures, and chloropicrin mixtures charged with non-flammable, non-liquefied compressed gas must be packed in Specification 3A, 3AA, 3B, 3C, 3E, 4A, 4B, 4BA, 4BW, or 4C cylinders having not over 113 kg (250 pounds) water capacity (nominal) except:
- (1) DOT Specification 4BW cylinders containing chloropicrin and methyl bromide mixtures may not exceed 453 kg (1000 pounds); and
- (2) The capacity limit of this paragraph does not apply to shipments of methyl bromide.
- (c) Methyl bromide mixtures containing up to 2% chloropicrin must be packaged in 4G fiberboard boxes with inside metal cans containing not over one pound each, or inside metal cans with a minimum wall thickness of 0.007 inch containing not over 1 3/4 pounds each. The one-pound can must be capable of withstanding an internal pressure of 130 psig without leakage or permanent distortion. Vapor pressure of the contents must not exceed 130 psig at 55 °C (130 °F). The 1 3/4 -pound can must be capable of withstanding an internal pressure of 140 psig without leakage or permanent distortion. Vapor pressure of the contents must not exceed 140 psig at 55 °C (130 °F). Cans must not be liquid full at 130 °F. Cans must be constructed of tinplate or lined with suitable material and must have concave or pressure ends.
- (d) Cylinders, except those containing methyl bromide, must conform to § 173.40 of this part.
[Amdt. 173-224, 55 FR 52643, Dec. 21, 1990, as amended at 56 FR 66271, Dec. 20, 1991; 57 FR 45463, Oct. 1, 1992; 78 FR 1088, Jan. 7, 2013; 81 FR 3675, Jan. 21, 2016]