{"operation":"document","citation":"25-0140","title":"BASF Services Americas S.R.L. — Hazardous Materials Safety Interpretation","source_type":"guidance","agency":"Pipeline and Hazardous Materials Safety Administration","status":"guidance","official":true,"published_on":"2026-06-04","effective_on":null,"summary":"25-0140 response to BASF Services Americas S.R.L. concerning 172.101.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-interpretation-25-0140.json","markdown":"https://regulus.evalyn.ai/document/phmsa-interpretation-25-0140.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-interpretation-25-0140","source_url":"https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/2026-06/25-0140.pdf","body":"<<>>\n\nU.S. Department\nof Transportation\nPipeline and Hazardous\nMaterials Safety\nAdministration\nJune 4, 2026\nMr. Pablo Calabrese\nBASF Services Americas S.R.L.\nDr. Luis Bonavita 1266\n11300 Montevideo, Uruguay\nReference No. 25-0140\nDear Mr. Calabrese:\nThis is in response to your October 29, 2025 letter requesting clarification of the Hazardous\nMaterials Regulations (HMR; 49 CFR Parts 171-180) applicable to the use of proper shipping\nnames intended for domestic use. Specifically, you ask whether there is a prohibition under the\nHMR or international standards on the use of the proper shipping name “NA3082, Other\nregulated substances, liquid, n.o.s.” when a shipment originates from the United States and is\nintended for international transport. In addition, you state that the material is not regulated for\ntransportation by the destination country.\nWhen offered for transportation under the HMR, the answer is no, there is no prohibition against\nthe use of an NA description for an international shipment. In accordance with § 172.101(e),\nidentification numbers prefixed with “NA” are domestic descriptions not recognized in\ninternational standards, such as the International Maritime Organization (IMO)’s International\nMaritime Dangerous Goods (IMDG) Code or International Civil Aviation Organization (ICAO)\nTechnical Instructions. Therefore, carriers accepting shipments transported under those\ninternational standards may require the use of the “UN3082” entry. As you stated in your letter,\n§ 172.101 Hazardous Materials Table (HMT) entries with the letter “D” in Column (1) may be\ninappropriate for international transportation under the provisions of international regulations\n(e.g., IMO, ICAO). Section 172.101(b)(3) authorizes an alternate proper shipping name when\neither domestic or international transportation is involved.\nI hope this information is helpful. Please contact us if we can be of further assistance.\nSincerely,\n1200 New Jersey Avenue, SE\nWashington, DC 20590\nArthur Pollack\nActing Chief, Regulatory Review and Reinvention Branch\nStandards and Rulemaking Division\n\n<<>>\n\nPollack, A.\n25-0140\nFrom: INFOCNTR (PHMSA)\nTo: Baker, Yul (PHMSA)\nCc: Hazmat Interps\nSubject: FW: Interpretation of NA3082 international use\nDate: Thursday, October 30, 2025 13:23:36\nAttachments: image001.png\nHi Yul,\nPlease see the below interpretation request.\nLet us know if you need anything,\n-Breanna\nFrom: Pablo Calabrese \nSent: Wednesday, October 29, 2025 4:07 PM\nTo: INFOCNTR (PHMSA) \nCc: Cecilia Cortese \nSubject: Interpretation of NA3082 international use\nNo suele recibir correo electrónico de pablo.calabrese@basf.com. Por qué es esto importante\nCAUTION: This email originated from outside of the Department of Transportation (DOT). Do\nnot click on links or open attachments unless you recognize the sender and know the content\nis safe.\nDear Team,\nWe would like to request your interpretation on the following scenario:\nIf we have a material that meets the requirements to be considered a hazardous substance under 49\nCFR 171.8 “Hazardous substance”, it would qualify for classification as NA3082, Other regulated\nsubstances, liquid, n.o.s. for transportation within U.S. territory.\nWhen this material is shipped from the U.S. to a neighboring country, considering that 49 CFR 172.101(b)\n(3) states that the letter “D” identifies proper shipping names for domestic transportation and that an\nalternate proper shipping name may be selected when either domestic or international transportation is\ninvolved, is there any technical or regulatory reason that would prohibit the use of the NA3082\ndesignation solely because the shipment is international?\nTherefore, is it correct to require the use of UN3082 as the proper shipping name for this shipment?\nPlease note that in the destination country, the material is not classified as dangerous goods, and the\nshipping papers correctly reflects NA3082 for USDOT and “non-regulated” under the destination country’s\nregulations.\nThank you for your guidance on this matter.\nBest Regards, Mit freundlichen Grüßen, Saludos Cordiales\nPablo Calabrese\nDangerous Goods & Transport Safety, EHS (GBI/US-T/SSR)\n\n<<>>\n\nEmail: pablo.calabrese@basf.com\nPostal Address: BASF Services Americas S.R.L., Dr Luis Bonavita 1266, 11300 Montevideo, Uruguay\nTodas las informaciones contenidas en este e-mail, confidenciales o no, tienen finalidad específica y su propiedad es protegida por ley.\nSi usted no es el destinatario pretendido de este mensaje, solicitamos que informe inmediatamente a su remitente y luego borre este e-\nmail. Cualquier divulgación, copia, distribución, almacenamiento y/o alguna otra acción tomada con base en esas informaciones están\nestrictamente prohibidas. Agradecemos su cooperación.\nAll information contained in this e-mail, confidential or not, has specific purposes and its property is protected by law. If you are not this\nmessage's intended recipient, we ask you to promptly inform the sender, deleting this message immediately. Any disclosure, copying,\ndistribution, storage and/or any other action taken in connection to such information is strictly prohibited. Thank you for your cooperation.","truncated":false,"body_characters":5264}