{"operation":"document","citation":"03-0245","title":"HMT Associates, L.L.C. — Hazardous Materials Safety Interpretation","source_type":"guidance","agency":"Pipeline and Hazardous Materials Safety Administration","status":"guidance","official":true,"published_on":"2003-11-12","effective_on":null,"summary":"03-0245 response to HMT Associates, L.L.C. concerning 172.101.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-interpretation-03-0245.json","markdown":"https://regulus.evalyn.ai/document/phmsa-interpretation-03-0245.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-interpretation-03-0245","source_url":"https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2003/030245.pdf","body":"<<<PAGE 1>>>\n\nU.S. Department\nof Transportation\nWashington, D.C. 20590\n400 Seventh St., S.W.\nResearch and\npecial Programs\ndministratior\nNOV 12 2003\nMr. E. A. Altemos\nRef. No. 03-0245\nHMT Associates, L.L.C.\n603 King Street, Suite 300\nAlexandria, VA 22314\nDear Mr. Altemos:\nThis is in response to your letter dated October 3, 2003 and subsequent telephone conversation\nwith Ben Supko concerning the requirements for desensitized explosives under the Hazardous\nMaterials Regulations (HMR; 49 CFR Parts 171-180). Specifically, you ask if the Hazardous\nMaterials Table (HMT: § 172.101) entry \"Trinitrophenol, wetted with not less than 30 percent\nwater, by mass\" (UN1344) applies to trinitrophenol and water mixed with additional hazardous\nor nonhazardous materials.\nThe answer is no. After speaking with Dr. Charles Ke, Office of Hazardous Materials\nTechnology, we have confirmed that the proper shipping name \"Trinitrophenol, wetted\" applies\nto trinitrophenol mixed with not less than 30 percent water, by mass and no other materials\nhazardous or otherwise. If you intend to ship trinitrophenol and water mixed with additional\nmaterials then you must receive authorization by the Associate Administrator via an exemption\nor approval.\nI hope this satisfies your request.\nSincerely,\nDare Broy\nSusan Gorsky\nSenior Transportation Regulations Specialist\nOffice of Hazardous Materials Standards\n172.101\n030245\n\n<<<PAGE 2>>>\n\nSupko\nHMT ASSOCIATES, L.L.c.\n$172.101\n603 KING ST.\nProper Shiping Name\nALEXANDRIA, VA 22314-3105\nSUITE 300\nE.A. ALTEMOS\n703-549-0727\nPATRICIA A. QUINN\nFACSIMILE: 703-549-0728\nWRITER'S DIRECT DIAL NUMBER\n(703) 549-0727, Ext. 11\nOctober 3, 2003\nMr. Edward T. Mazzullo\nDirector, Office of Hazardous\nMaterials Standards (DHM-10)\nResearch and Special Programs\nAdministration\nDepartment of Transportation\nWashington, D.C. 20590-0001\nDear Mr. Mazzullo:\nThis is to request guidance concerning the intent of the Hazardous Materials Regulations\n(\"the HMR\", 49 CFR Parts 171-180) with respect to the selection of proper shipping names and\nassociated transport requirements for desensitized explosives of Division 4.1.\nIn general, desensitized explosives of Division 4.1 are forbidden for transport unless they are\neither specifically authorized by name in the Hazardous Materials Table (\"the HMT\", § 172.101) o\nhave been assigned a shipping name and hazard class by the Associate Administrator under the\nprovisions of an exemption or an approval (see § 173.124(a)(1)(ii)). With regard to those\ndesensitized explosives listed by name in the HMT, please advise whether an entry that specifies a\nminimum amount of water is intended to cover desensitized explosives formulations that contain that\nminimum amount of water but also other materials - either hazardous or non-hazardous. For\nexample, is it intended that the HMT entry \"Trinitrophenol, wetted with not less than 30 percent\nwater, by mass\" (UN 1344) apply only to mixtures containing trinitrophenol and not less than 30\npercent water with no other material, or is it intended that as long as at least 30 percent water is\npresent other materials (hazardous or non-hazardous) may be included in the formulation and the\nmaterial shipped under the listed entry without the need for an exemption or approval?\n\n<<<PAGE 3>>>\n\nHMT ASSOCIATES, L.L.C.\nMr. Edward T. Mazzullo\nOctober 3, 2003\nPage 2\nIf it is intended that listed entries authorize the transport of formulations containing materials\nin addition to the minimum amount of water specified, and these additional materials may be\nhazardous materials, other questions arise in a case where the formulation meets the definition of\nanother hazard class. First, in such a case should the formulation continue to be described by the\nlisted entry (e.g., \"Trinitrophenol, wetted, 4.1, UN 1344, PG I\") with subsidiary risk labels applied\nin accordance with § 172.402(a)(2) as appropriate to identify any subsidiary risks, or is it intended\nthat an alternate proper shipping name be selected taking account of all hazards exhibited by the\nformulation? If the latter is the case, it is assumed that use of an alternate proper shipping name\nwould require Associate Administrator authorization by exemption or approval, but your\nconfirmation of this understanding is requested. Moreover, in such a case would any proper shipping\nname selected necessarily be one associated with the hazard division 4.1 and Packing Group I, or,\ndepending on the properties of the mixture and concentration of the explosives component (which\nin some cases may be very low), might a different hazard class and/or packing group be considered\nmore appropriate?\nYour guidance regarding the intent of the HIMR in relation to the above issues is most\nif you require additional information.\nappreciated. Please do not hesitate to contact me if you have questions concerning this request, or\nSincerely,\nE. A. Altemos\nCC:\nDr. Charles Ke (DHM-21)","truncated":false,"body_characters":4914}