Section 172.302 49 CFR Ch. I (10-1-18 Edition) on a cylinder used for both unodorized and odorized LPG. [Amdt. 172-123, 55 FR 52590, Dec. 21, 1990, as amended by Amdt. 172-151, 62 FR 1227, Jan. 8, 1997; 62 FR 39404, July 22, 1997; 63 FR 16075, Apr. 1, 1998; 66 FR 45182, Aug. 28, 2001; 68 FR 45030, July 31, 2003; 69 FR 64471, Nov. 4, 2004; 70 FR 73164, Dec. 9, 2005; 71 FR 32258, June 2, 2006; 76 FR 3365, Jan. 19, 2011; 76 FR 56314, Sept. 13, 2011; 78 FR 1072, Jan. 7, 2013; 78 FR 65478, Oct. 31, 2013; 81 FR 35540, June 2, 2016] Section 172.302 General marking requirements for bulk packagings. (a) Identification numbers. Except as otherwise provided in this subpart, no person may offer for transportation or transport a hazardous material in a bulk packaging unless the packaging is marked as required by Section 172.332 with the identification number specified for the material in the Section 172.101 table - (1) On each side and each end, if the packaging has a capacity of 3,785 L (1,000 gallons) or more; (2) On two opposing sides, if the packaging has a capacity of less than 3,785 L (1,000 gallons); or (3) For cylinders permanently installed on a tube trailer motor vehicle, on each side and each end of the motor vehicle. (b) Size of markings. Except as otherwise provided, markings required by this subpart on bulk packagings must - (1) Have a width of at least 6.0 mm (0.24 inch) and a height of at least 100 mm (3.9 inches) for rail cars; (2) Have a width of at least 4.0 mm (0.16 inch) and a height of at least 25 mm (one inch) for portable tanks with capacities of less than 3,785 L (1,000 gallons) and IBCs; and (3) Have a width of at least 6.0 mm (0.24 inch) and a height of at least 50 mm (2.0 inches) for cargo tanks and other bulk packagings. (c) Special permit packagings. Except as provided in Section 173.23 of this subchapter, the outside of each package used under the terms of a special permit must be plainly and durably marked - DOT-SP - followed by the special permit number assigned. Packages authorized by an exemption issued prior to October 1, 2007 may be plainly and durably marked - DOT-E - in lieu of - DOT-SP - followed by the number assigned as specified in the most recent version of that exemption. (d) Each bulk packaging marked with a proper shipping name, common name or identification number as required by this subpart must remain marked when it is emptied unless it is - (1) Sufficiently cleaned of residue and purged of vapors to remove any potential hazard; or (2) Refilled, with a material requiring different markings or no markings, to such an extent that any residue remaining in the packaging is no longer hazardous. (e) Additional requirements for marking portable tanks, cargo tanks, tank cars, multi-unit tank car tanks, and other bulk packagings are prescribed in SectionSection 172.326, 172.328, 172.330, and 172.331, respectively, of this subpart. (f) A bulk packaging marked prior to October 1, 1991, in conformance to the regulations of this subchapter in effect on September 30, 1991, need not be remarked if the key words of the proper shipping name are identical to those currently specified in the Section 172.101 table. For example, a tank car marked - NITRIC OXIDE - need not be remarked - NITRIC OXIDE, COMPRESSED - . (g) A rail car, freight container, truck body or trailer in which the lading has been fumigated with any hazardous material, or is undergoing fumigation, must be marked as specified in Section 173.9 of this subchapter. [Amdt. 172-123, 55 FR 52591, Dec. 21, 1990, as amended at 56 FR 66254, Dec. 20, 1991; Amdt. 172-150, 61 FR 50624, Sept. 26, 1996; Amdt. 172- 151, 62 FR 1228, Jan. 8, 1997; 62 FR 39398, July 22, 1997; 66 FR 45379, Aug. 28, 2001; 70 FR 73164, Dec. 9, 2005; 72 FR 55692, Oct. 1, 2007] Section 172.303 Prohibited marking. (a) No person may offer for transportation or transport a package which is marked with the proper shipping name, the identification number of a hazardous material or any other markings indicating that the material is hazardous (e.g., RQ, INHALATION HAZARD) unless the package contains the identified hazardous material or its residue. (b) This section does not apply to - (1) Transportation of a package in a transport vehicle or freight container 386 VerDate Sep<11>2014 16:41 Oct 31, 2018 Jkt 244226 PO 00000 Frm 00396 Fmt 8010 Sfmt 8010 Q:\49\49V2.TXT PC31