{"operation":"document","citation":"11-0088","title":"Honeywell International, Inc. — Hazardous Materials Safety Interpretation","source_type":"guidance","agency":"Pipeline and Hazardous Materials Safety Administration","status":"guidance","official":true,"published_on":"2011-06-07","effective_on":null,"summary":"11-0088 response to Honeywell International, Inc. concerning 172.101, 173.115.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-interpretation-11-0088.json","markdown":"https://regulus.evalyn.ai/document/phmsa-interpretation-11-0088.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-interpretation-11-0088","source_url":"https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretations/2011/110088.pdf","body":"<<<PAGE 1>>>\n\nU.S. Department of Transportation\nPipeline and Hazardous Materials\nSafety Administration\n1200 New Jersey Ave, SE\nWashington, D.C. 20590\nJUN 072011\nMs. Carrie Wayne\nHoneywell International, Inc.\n101 Columbia Road\nMorristown, NJ 07962\nRef. No.: 11-0088\nDear Ms. Wayne:\nThis responds to your April 11, 2011 letter requesting clarification of the Hazardous Materials\nRegulations (HMR; 49 CFR Parts 171-180) applicatlle to Class 2 materials. Your questions are\nparaphrased and answered below.\nQ1 : You ask whether a material must meet all three provisions in § 173. 115(b )(1) through\n(b)(2) to be a classified as a Division 2.2 material?\nAI: The answer is no. As specified in § 173.115(b), the HMR define a Division 2.2 (nonflammable,\nnonpoisonous compressed gas including compressed gas, liquefied gas,\npressurized cryogenic gas, compressed gas in solution, asphyxiant gas and oxidizing gas)\nas any material or mixture that \"exerts in the pqtckaging a gauge pressure of200 kPa (29.0\npsigl43.8 psia) or greater at 20 °C (68 OF), is a liquefied gas or is a cryogenic liquid, and\ndoes not meet the definition of Division 2.1 or 2.3.\"\nTo be considered a Division 2.2 material, a material would only need to meet one of the\nprovisions in § 173.115(b)(1) (i.e. exerts a gauge pressure 2:200 kPa at 20 °C, is a liquefied\ngas or is a cryogenic liquid) and not meet the definition of Division 2.1 or 2.3 material.\nQ2: You ask whether a liquefied gas, irrespective of its pressure, meets the definition of a\nDivision 2.2 material?\nA2: The definition of a Division 2.2 gas includes aU liquefied gases, irrespective of their\npressures. This is due to the fact that certain liquefied gases that pose no pressure hazard at\nambient pressures and temperatures may exhibit a pressure hazard under conditions\nnormally encountered in transport, such as incr¢ased temperature.\nQ3: You ask whether your hazardous material (gas) must be \"compressed\" in order to be\ndescribed as a refrigerant gas?\n\n<<<PAGE 2>>>\n\n;\nA3: As specified in § 173.115(j), the terms \"Refri*rant gas and Dispersant gas\" apply to all\nnonpoisonous refrigerant gases; dispersant gasFs (fluorocarbons) listed in § 172.101 of the\nHMR and §§173.304, 173.314(c), 173.315(a), land 173.315(h) and mixtures thereof; and\nany other compressed gas having a vapor pressure not exceeding 260 psia at 54°C\n(130 OF), used only as a refrigerant, dispersant! or blowing agent.\nIf your gas exerts any pressure, meets the critefia of a compressed gas having a vapor\npressure not exceeding 260 psia at 54°C (130 [OF), and is used only as a refrigerant,\ndispersant, or blowing agent, it could be referrtd to as a Refrigerant gas and Dispersant gas.\nI trust this satisfies your inquiry. Please contact us if we can be of further assistance.\ni\nSincerely,\n(~$~'::-~\nT. Glenn Foster\nChief, Regulatory Review and Reinvention Branch\nStandards and Rulemaking Division\n\n<<<PAGE 3>>>\n\n\"\nHoneywell\nHoneywell\np,O, Box 1057 \n i; 173. , 15\nMorristown, NJ 07962-1057 be-P, nirl(;(J5\nApril 11, 2011 11-0068\n~l', ekel~\nMr. Charles E. Betts\nDirector, Office of Hazardous Materials Standards\nU.S. DOTjPHMSA\nAnN: PHH-lO\nEast Building\n1200 New Jersey Avenue, SE,\nWashington, DC 20590-0001\nDear Mr. Betts,\nIn the requirements found in 49 CFR 173.115, the HMR's state \"a non-flammable, nonpoisonous\ncompressed gas means any material (or mixture) which exerts in a packaging a gauge\npressure of 200 kPa or greater at 20 degrees C, is a liquefied gas or is a cryogenic liquid, and\ndoes not meet the definition of a Division 2.1 or 2.3\". Please clarify whether the material must\nmeet all three requirements or only one in order to be considered a non-flammable, nonpoisonous\ncompressed gas? In other words, would it have to have a gauge pressure of 200 kPa\nat 20 degrees C and be a liquefied gas (or cryogenic liquid) that does not meet the definition of\nDivision 2.1 or 2.3, or would it be considered a Division 2.2 if it did not meet the pressure\nrequirement but was a liquefied gas not in Division 2.1 or 2.3? In reading the current lATA\nregulations, it appears that liquefied gases, even if they don't meet the pressure status, would be\nregulated. Ifthe HMR's are harmonizing with that, it seems our regulations would be the same.\nAlso, please clarify how Refrigerant or Dispersant gas applies to liquefied gases having a vapor\npressure not exceeding the 260 psia specified? We believe that two of our refrigerant and\nblowing agents which are not listed in 172.101,173.304,173.314 and 173.315, would be better\ndescribed as a Refrigerant gas, but we are confused by the reference in 173.1150) to \"any other\ncompressed gas\". Must these gases be \"compressed\" in order to be described as \"refrigerant\ngas\"?\nFor ease of reference, the two materials that are of concern right now have the following physical\nproperties:\nMaterial 245fa Flammable? No Boiling: Point 15C (59F) Vaoor Pressure 18.5 psia @\n20C\nLiquefied Gas?\nYes-Low\npressure\n1233zd No 19C (66.2F) 15-16 psia@\n20C\nYes-Low\npressure\n\n<<<PAGE 4>>>\n\n..\nIfyou have any questions regarding this request please do not hesitate to contact me at the\nnumber below. Thank you for your assistance.\nSincerely,\nCarrie Wayne\nGlobal Manager-Transportation Safety and Regulatory Compliance\nCorporate Supply Chain Security Officer\nHoneywell International Inc\n101 Columbia Road\nMorristown, NJ 07962\nPhone: 1-973-455-4009\nMobile: 1-201-506-4327\nFax: 1-973-455-3563\nCarrie.wayne@honeywell.com\ncc: Claire Matlon","truncated":false,"body_characters":5463}