{"operation":"document","citation":"06-0203","title":"Minnesota Department of Transportation — Hazardous Materials Safety Interpretation","source_type":"guidance","agency":"Pipeline and Hazardous Materials Safety Administration","status":"guidance","official":true,"published_on":"2007-01-31","effective_on":null,"summary":"06-0203 response to Minnesota Department of Transportation concerning 173.336.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-interpretation-06-0203.json","markdown":"https://regulus.evalyn.ai/document/phmsa-interpretation-06-0203.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-interpretation-06-0203","source_url":"https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2006/060203.pdf","body":"<<<PAGE 1>>>\n\nof Transportation\nU.S. Department\nWashington, D.C. 20590\n400 Seventh Street, S.W.\nHazardous Materials Safety\nPipeline and\nJAN 31 2007\nAdministration\nMr. Michael Ritchie\nRef. No. 06-0203\nHazardous Materials Specialist\n395 John Ireland Boulevard\nMinnesota Department of Transportation\nMail Stop 460, Room 121\nSt. Paul, MN\n55155\nDear Mr. Ritchie:\nThis is in response to your August 29, 2006 letter requesting clarification of the marking\nrequirements for a compartmented cargo tank under the Hazardous Materials Regulations\n(HMR; 49 CFR Parts 171-180). You state that most bulk transport companies in your\nregion display identification numbers on placards and do not utilize orange panels or\nidentification numbers on hazard warning placards.\nwhite square-on-point configurations. Therefore, this letter addresses the display of\nYour questions pertain to a cargo tank equipped with four compartments. Compartment\n#1 contains \"Gasoline, UN1203\"; compartment #2 contains \"Diesel fuel, NA1993\";\ncompartment #3 contains \"Denatured alcohol, NA1987\"; and compartment #4 contains\n\"Gasoline, UN1203\". Provided no exceptions are utilized, a compartmented cargo tank\ncontaining multiple Class 3 materials must be marked with the appropriate identification\nnumber for each different hazardous material on both sides and both ends in accordance\nwith § 172.332. In this case, a Class 3 placard displaying UN number 1203, a Class 3\nplacard displaying NA number 1993, and a Class 3 placard displaying NA number 1987\nnust appear on both sides and both ends of the cargo tank. The placards displaying\n: dentification numbers do not have to appear in any particular order.\nQ1.\n3§ 172.336(c)(1) and 172.336(c)(4)? Under this scenario, the compartmented cargo tank\nMay the compartmented cargo tank utilize the exceptions provided in both\nwould display on each side a single Class 3 placard with UN number 1203 to identify the\nidentits of compare stander a 3: and ingle plas piac spin 8710\nnumber 1203 to identify the contents of compartment #4. A single Class 3 placard\n\"without identification numbers would be displayed on the front and the rear of the cargo\nAl.\ntank containing hazardous materials with different identification numbers is excepted\nThe answer is yes. In accordance with § 172.336(c)(1), a compartmented cargo\nfrom the requirement to display identification numbers on the front and rear (i.e., ends) of\n113.336 c)\n060203\n\n<<<PAGE 2>>>\n\nthe cargo tank when the identification numbers are displayed on the sides of the tank in\nthe same sequence as the compartments containing the materials they identify.\nMoreover, in accordance with § 172.336(c)(4), identification numbers are not required\nfor each of the different petroleum distillate fuels in a compartmented cargo tank if the\nidentification number for the liquid petroleum distillate fuel having the lowest flash point\nis displayed.\nMay the compartmented cargo tank utilize the exception provided in\n§ 172.336(c)(4)? Under this scenario, the cargo tank would display on each side one\nClass 3 placard with UN number 1203 and one Class 3 placard with NA number 1987.\nA2. Again, the answer is yes. In accordance with § 172.336(c)(4), identification\ncompartmented cargo tank if the identification number for the petroleum distillate fuel\nnumbers are not required for each of the different petroleum distillate fuels in a\ndisplayed on the sides of the cargo tank in the same sequence as the compartments\nwith the lowest flash point is displayed. However, because the markings are not\nidentification numbers representing each hazardous material must be displayec. on the\ncontaining the materials they identify, additional hazard warning placards with\nends of the cargo tank.\nI hope this information is helpful. Please contact us if you require additional assistance.\nSincerely,\n4 ti\nEdward T. Mazzullo\nDirector, Office of Hazardous\nMaterials Standards\n\n<<<PAGE 3>>>\n\nMinnesota Department of Transportation\n395 John Ireland Blvd.\nOffice of Freight and Commercial Vehicle Operations\nLeary\nSt. Paul, MN 55155-1899\n$ 173.336\nMarkings\nAugust 29, 2006\n06.0203\nUnited States Department of Transportation\nPipeline and Hazardous Materials Safety Administration\nOffice of Hazardous Materials Standards\nMr. Edward Mazzullo\nPHH-10\n400 Seventh Street SW\nWashington, DC 20590\nRe: Required Identification Number Marking on Cargo Tanks\nDear Mr. Mazzullo,\nI have received your letter, Ref. No. 01-0082R, dated May 1, 2006, concerning; the use of\nalcohol and alcohol blends in a compartment of a cargo tank carrying petroleum fuels.\nthe marking exception for petroleum distillate fuels in 49 CFR 172.336 when transporting\nPlease clarify which markings are required on the sides of a multi-compartment cargo\ntank carrying petroleum fuels and alcohol in different compartments at the same time.\nCorrect and consistent ID number markings on cargo tanks are critical issues for\nemergency responders. My office will be meeting with State Emergency Response Teams\nand both the petroleum and alcohol industries soon, and a prompt response would be\nappreciated.\nhaving mere than one compartment if hazardous materials having different ID numbers\n49 CFR 172.336 (c) (1) states that ID numbers are not required on the ends of a unit\nare carried. In this circumstance, the ID numbers shall be displayed on the sides of the\ntank in the same sequence as the compartments containing the materials they identify.\nWhen transporting petroleum fuels and hazardous materials not eligible for the petroleum\nlistillate fuel marking exception in different compartments, what marking is required? If\nwo consecutive compartments contain materials eligible for the petroleum fuels\nexceptions in § 172.336 (c) (4) and (5), may they be represented by one displayed ID\nn sequence? For example\number, or must each compartment be identified with a separate ID numbers on the side\nCompartment #1 Gasoline UN1203, compartment #2 Diesel Fuel NA 1993, compartment\n#3 denatured alcohol NA1987, compartment #4 gasoline UN1203.\nAn equal opportunity employer\n\n<<<PAGE 4>>>\n\nIn our region, and in these industries, most companies display ID numbers on placards\nand do not use orange panels or white-square on point devices. The regulation, and\ninterpretations I have reviewed, make it clear that all four ID numbers may be displayed\n3 placard displaying ID # 1203 to cover compartments 1 and 2, a Class 3 placard\non each side, but what is required? May the sides of this tank show, in sequence, a Class\nfor the fourth compartment? Is it legal to display on the sides only one Class 3 placard\ndisplaying ID number 1987 for compartment #3, and a third placard displaying ID #1203\ndisplaying 1203 and one Class 3 placard with 1987? Are there any other allowable\nIf you have any questions you can reach me at (651) 215-6326 or by e-mail at\nMichael.Ritchie@dot.state.mn.us.\nYours truly,\nTickeRtter\nMichael Ritchie\nHazardous Materials Specialist\nMinnesota Department of Transportation\n395 John Ireland Boulevard\nOffice of Freight and Commercial Vehicle Operations\nMail Stop 460, Room 121\nSt. Paul, MN 55155","truncated":false,"body_characters":7098}