{"operation":"document","citation":"06-0235","title":"Railroad Commission of Texas — Hazardous Materials Safety Interpretation","source_type":"guidance","agency":"Pipeline and Hazardous Materials Safety Administration","status":"guidance","official":true,"published_on":"2006-11-16","effective_on":null,"summary":"06-0235 response to Railroad Commission of Texas concerning 172.303, 172.328.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-interpretation-06-0235.json","markdown":"https://regulus.evalyn.ai/document/phmsa-interpretation-06-0235.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-interpretation-06-0235","source_url":"https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2006/060235.pdf","body":"<<<PAGE 1>>>\n\nof Transportation\nU.S. Department\nWashington, D.C. 20590\n400 Seventh Street, S.W.\nHazardous Materials Safety\nPipeline and\nAdministration\nNOV 16 2006\nMr. James T. Osterhaus\nLPG Section Manager, Safety Division\nRef. No. 06-0235\nRailroad Commission of Texas\n1701 North Congress Avenue\nAustin, TX 78711-2967\nDear Mr. Osterhaus:\nThis responds to your letter dated October 18, 2006, regarding the NON-ODORIZED or\nNOT-ODORIZED marking on packagings containing unodorized Liquefied Petroleum\nGas (LPG) under the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180).\ndisplayed on certain cylinders, portable tanks, cargo tanks, and tank cars and multi-unit\nUnder the HMR, a NON-ODORIZED or NOT-ODORIZED marking is required to be\ntank car tanks containing LPG that is shipped unodorized in transportation in commerce\n(see §§ 172.301, 172.326, 172.328, and 172.330, respectively).\nYou are correct that as of October 1, 2006, the NON-ODORIZED or NOT-ODORIZED\nmarking may appear on a tank car or multi-unit tank car tank used for both unodorized\nand odorized LPG, as specified in $172.330. Although the requirements for marking a\ncargo tank do not specify that the marking may be displayed on a cargo tank used for\nboth unodorized and odorized LPG, such display is not prohibited in accordance with the\nmarking may appear on a cargo tank used for both unodorized and odorized LPG.\nprohibited marking in §172.303. Thus, the NON-ODORIZED or NOT-ODORIZED\nAs a result of interest from the regulated community in prescribing requirements for\nboth unodorized and odorized LPG, we intend to revisit this issue in a future rulemaking\ndisplay of the NON-ODORIZED or NOT-ODORIZED marking on a cargo tank used for\nin order to specify similar requirements currently allowed for tank cars and multi-unit\ntank car tanks for certain cylinders, cargo tanks, and portable tanks.\nI hope this satisfies you inquiry. If we can be of further assistance, please contact us.\nSincerely,\n/John 'À. Cale\nOffice of Hazardous Materials Standards\nChief, Regulations Development\n172303\n172.328\n060235\n\n<<<PAGE 2>>>\n\n10/18/06 08:55 FAX 512 463 7153\nRRC SAFETY DIVISION\n4001\nEngrum\nELIZABETH A. JONES, CHAIRMAN\nMICHAEL L. WILLIAMS, COMMISSIONER\n172.328\nMARYL. MODANIEL, P.E.\nVICTOR G. CARRILLO, COMMISSIONER\nEXAS\nMarking of Cargo Tank\nDIVISION DIRECTOR\n06-0235\nRAILROAD COMMISSION OF TEXAS\nSAFETY DIVISION\nOctober 18, 2006\nU.S. Department of Transportation\nPipeline and Hazardous Materials Safety Administratior\n00 to 5e, Sardous Materials Safet\n/ashington, DC 2059\nRE: Formal Lotter of Interpretation For HM-206B|\nTo Whom It May Concern:\nThe alica Cometorie of Tea regulates the te a spoteal of i ma ot in reway h Come roadways adopted\nThe DOT representative told me only railroad tank cars marked \"Non-Odorized\" or \"Not Odorized\" are permitted 1o\ntransport LP-Gas that is odorized.\nYet day pore entire ol me there a merca on oried on that a inde a 2 5 a me\nthe cargo tanks is odorized.\nI'm requesting a formal interpretation of HIV-206B, as it relates to \"Non-Odorized\" marking requirements on cargo tank\ntransporting LP-Gas on public roadways. Specifically, Section IV, Paragraph A of HM-206B\nIV. Marking Requirements\nA. NON-ODORIZED Marking on Certain Cylinders, Portable Tanks, Cargo\n172.301; 172.326; 172.328; and 172.330)\nTanks, and Tank Cars Containing Liquefied Pctroleum Gases (Sec.\nSincercly,\nJames I. Satataus\nLPG Section Manager\nJames T. Osterhaus\nSafety Division\nPhonc: (512) 463-6692\nRailroad Commission of Texus\nJames.Osterhauy@rrc.state.ts.us\n1 701 NORTH CONGRESS AVENUE * POST OFFICE BOX 12967 * AUSTIN, TEXAS 78711-2967 * PHONE: 512/463-7158 * FAX: 512/463-731:\nIDD 800/735-2989 OR TDY 512/463-7284 * AN EQUAL OPPORTUNITY EMPLOYER * HTTP://WWW.RRC.STATE.TX.U","truncated":false,"body_characters":3753}