{"operation":"document","citation":"01-0283","title":"Clay-ton Corporation — Hazardous Materials Safety Interpretation","source_type":"guidance","agency":"Pipeline and Hazardous Materials Safety Administration","status":"guidance","official":true,"published_on":"2002-01-16","effective_on":null,"summary":"01-0283 response to Clay-ton Corporation concerning 178.65.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-interpretation-01-0283.json","markdown":"https://regulus.evalyn.ai/document/phmsa-interpretation-01-0283.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-interpretation-01-0283","source_url":"https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2001/010283.pdf","body":"<<<PAGE 1>>>\n\nWashington, D.C. 20590\n400 Seventh St., S.W.\npecial Program\nesearch anc\nAdministration\nJAN 16 2002\nMr. Ken Rueschhoff\nReference No.: 01-0283\nProduct Design Engineer\nClayton Corporation\n866 Horan Drive\nFenton, MO 63026-2416\nDear Mr. Rueschhoff:\nThis is in response to your October 25, 2001 letter, requesting clarification of the Hazardous\nMaterials Regulations (HMR; 49 CFR Parts 171-180) regarding the use of Specification DOT-39\ncylinders. You state that (1) while the end user is dispensing your product, a supplemental\nnitrogen gas pressure source with a fixed outlet pressure is attached to the cylinders; (2) this\nconstant gas pressure would maintain the initial cylinder tank pressure during dispensing thereby\naiding in expelling all the liquid contents at an even rate; (3) the cylinders will not be transported\non public roadways during the dispensing process. You ask whether DOT has jurisdiction on the\nend use of these cylinders.\nThe answer is no. The Federal hazardous materials transportation law (49 U.S.C. 5101 et seq.)\nand the HMR apply to the transportation of hazardous materials in commerce and to safety\naspects of hazardous materials transportation. The dispensing of a compressed gas from a\ncylinder at a fixed facility is an activity that neither falls within the scope of transportation in\ncommerce nor affects the safe transportation of hazardous material in commerce.\nI trust this satisfies your request.\nTransportation Regulations Specialist\nOffice of Hazardous Materials Standards\n178.65\n\n<<<PAGE 2>>>\n\n10/25/01 THU 08:52 FAX 636 349 5335\nCLAYTON CORP\n@002\nBetts\n8178.65\nCylinders\n01-0283\nCLAYTON corporation\nCLAYTON\n866 HORAN DRIVE\nFENTON, MO 63026-2416 U.S.A.\nFAX/636-349-5335\n636-349-5333\nOctober 25, 2001\nMr. Edward Mazzullo\nDHM-10\nU.S. Department of Transportation\n400T Street S.W.\nWashington, DC 20590\nDear Mr. Mazzullo:\nIhave recently spoken to Charlie Hockman on issues regarding DOT-39 cylinders and he suggested I\ncontact you for complete clarification on the questions I have. J\nCurrently our company uses DOT-39 cylinders for a two component polyurethane foam product that is\nproduct output slows significantly during dispensing resulting in higher labor costs and possible degrade\nin product quality.\nThe intent of my letter is to introduce a method of cylinder pressure control during dispensing and to fully\nunderstand the extent of the DOT jurisdiction on the end use of said cylinders. What I am proposing is\noutlet pressure regulator be attached to the cylinders. This constant gas pressure would maintain the\nthat while an end user is dispensing our product, a supplemental nitrogen gas pressure source with a fixed\ninitial tank pressure during dispensing thus aiding in expelling all the liquid contents at an even rate.\nAfter the liquid content has been expelled from the cylinders, the residual gas would then be expelled, and\nthe cylinders disposed of in the appropriate manner.\nPlease contact me at your carliest convenience with a reply. I would appreciate discussing this with you\nby phone conversation if possible, my phone number 636-349-5333, or 800-325-6180 and my extension\nSincerely,\nKen Browf\nProduct Design Engineer\nKen Rueschhoff\nClayton Corporation","truncated":false,"body_characters":3228}