{"operation":"document","citation":"06-0239","title":"Severn Trent Laboratories, Inc. — Hazardous Materials Safety Interpretation","source_type":"guidance","agency":"Pipeline and Hazardous Materials Safety Administration","status":"guidance","official":true,"published_on":"2007-03-20","effective_on":null,"summary":"06-0239 response to Severn Trent Laboratories, Inc. concerning 173.4.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-interpretation-06-0239.json","markdown":"https://regulus.evalyn.ai/document/phmsa-interpretation-06-0239.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-interpretation-06-0239","source_url":"https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2006/060239.pdf","body":"<<<PAGE 1>>>\n\nU.S. Department\nof Transportation\n400 Sieventh Street, S.W.\nWashington, D.C. 20590\nPipeline and\nHazardous Materials Safety\nAdministration\nMAR 20 2007\nMr. William J. Geibel\nReference No. 06-0239\nEnvironmental Health and Safety Coordinator\nSevern Trent Laboratories, Inc.\n301 Alpha Drive\nPittsburgh, PA 15238\nDear Mr. Geibel:\ntransport nitric acid, other than red fuming, with not more than 20 percent nitric acid, under\nThis responds to your e-mail and conversation with a member of my staff concerning how to\nthe Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180). Specifically, you ask\nwhether this material may be transported using the small quantity exceptions provided in\nSection 2.4, of the International Civil Aviation Organization Technical Instructions for the\n§ 173.4 of the HMR and the dangerous goods in excepted quantities provisions of Part 1,\nSafe Transport of Dangerous Goods by Air (ICAO Technical Instructions).\nThe answer is yes. In a final rule published under Docket No. PHMSA-06-254.76 (HM-215I)\npercent nitric acid, PG II\" was added to the § 172.101 Hazardous Materials Table. In\non 12/29/06, a new entry \"UN 2031, Nitric acid, other than red fuming, with not more than 20\naccordance with this entry, the material is authorized to be transported by passenger and cargo\naircraft in amounts up to 1 L and 30 L per package, respectively. Paragraph (a)(11) of § 173.4\nmaterial is authorized for transportation on board passenger aircraft. This same entry and\npermits use of the small quantity exception for transportation by aircraft if the nazardous\nprovision exists under the Dangerous Goods List, Table 3-1, of the ICAO Tecłnical\nInstructions. Section 171.11 of the HMR authorizes the use of the ICAO Technical\nInstructions as an alternative to the HMR for air shipments and for transportation by motor\nvehicle either before or after transportation by aircraft under certain conditions. Provided the\nnitric acid you described conforms to all applicable requirements, it may be transported by all\nmodes under the small quantity exception prescribed in § 173.4 of the HMR and by aircraft\nof the ICAO Technical Instructions.\nunder the dangerous goods in excepted quantities provision prescribed in Part i, Section 2.4,\nI hope this information is helpful.\nHattie L. Mitchell, Chief\nOffice of Hazardous Materials Standards\nRegulatory Review and Reinvention\n173.4\n060239\n\n<<<PAGE 2>>>\n\nEdmonson\nPage 1 of 1\n51734(9)(11)\nEdmonson, Eileen <PHMSA>\nSmall Quantity Exceptions\n06-0739\nFrom: Geibel, Bill [BGeibel@stl-inc.com]\nSent:\nMonday, October 23, 2006 10:49 AM\nEdmonson, Eileen <PHMSA>\nSubject: RE: Clarification - 20 % or Less Nitric Acid aboard aircraft\nEileen,\nThank you again for returning my call to your concerning this matter.\nUN 2031 forbidden to be shipped on cargo only aircraft per § 173.4(a)(11)?\nPer our conversation this morning, is Nitric acid other than red fuming, with not more than 70 percent nitric acid,\nThank you.\nEnvironmental, Health and Safety Coordinator\nWilliam J. Geibel\nSevern Trent Laboratories, Inc.\n10/24/2006","truncated":false,"body_characters":3078}