{"operation":"document","citation":"00-0360","title":"Conway Transportation Services — Hazardous Materials Safety Interpretation","source_type":"guidance","agency":"Pipeline and Hazardous Materials Safety Administration","status":"guidance","official":true,"published_on":"2001-01-26","effective_on":null,"summary":"00-0360 response to Conway Transportation Services concerning 172.313.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-interpretation-00-0360.json","markdown":"https://regulus.evalyn.ai/document/phmsa-interpretation-00-0360.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-interpretation-00-0360","source_url":"https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2000/000360.pdf","body":"<<<PAGE 1>>>\n\nU.S. Department\nof Transportation\n400 Seventh Street, S.W.\nWashington, D.C.\n20590\npeta Program\ndministration\nJAN 2 6 2001\nMr. Robert Petrancosta\nRef. No. 00-0360\nDirector\nConway Transportation Services\nSafety and Environmental Compliance\n110 Parkland Plaza\nAnn Arbor, MI\n48103\nDear Mr. Petrancosta:\nThis is in response to your December 22, 2000, letter regarding\nthe identification number marking requirements for poisonous by\ninhalation (PIH) materials as specified in $ 172.313(c) of the\nHazardous Materials Regulations (HMR; 49 CFR Parts 171-180)•\nidentification number to mark on a vehicle containing two\nSpecifically, you request guidance on determining which\ndifferent PIH materials in non-bulk packages in the same hazard\nzone with identical gross weights.\nSection 172.313 (c) (3) (i)\nrequires a transport vehicle or freight\ncontainer containing\ndifferent PIH materials in non-bulk packages\nbe marked with identification number of the material having the\ngreatest aggregate gross weight.\nsame hazard zone and gross weight, either identification number\nmarking may be used on the transport vehicle or freight\ncontainer.\nI hope this satisfies your request.\nSincerely,\nTransportation Regulations Specialists\nOffice of Hazardous Materials Standards\n112.313\n000360\n\n<<<PAGE 2>>>\n\n• BAH\n8172. 313 ()GXi)\nCTS COn-WAY TRANSPORTATION SERVICES\nA CTIF COMANY\nMarking\nDirector\nROBERT G. PENTRACOSTA\n00-0360\nSately and Environmental Complance\nDecember 22, 2000\nMr. Edward Mazzullo, Director\nResearch & Special Programs Administration\nOffices of Hazardous Materials Safety\nU.S. Department of Transportation\n400 Seventh Street, SW\nWashington, DC 20590-0001\nMARKING REQUIREMENTS FOR PIH MATERIALS\nREQUEST FOR WRITTEN INTERPRETATION\nDear Mr. Mazzullo:\nAs required under § 172.313(c)(3)(i), a transport vehicle containing different materials\npoisonous by inhalation in the same hazard zone, shall be marked with the identification\nnumber of the material having the greatest aggregate gross weight.\nMy question concerns a transport vehicle that contains two different materials poisonous\nby inhalation in the same hazard zone that have identical gross weight.\nExample: A transport vehicle is loaded at one facility with 1,000 kg (2,205 pounds)\nDichiorosilane, 2.3, UN 2189. Hazard Zone B, and, 1,000 kg (2.205 pounds) Acetone\nidentification number would be required to be displayed?\nçyanohydrin, stabilized, 6.1, UN 1541, PG 1, Hazard Zone B. Which material\nThank you in advance for responding to this inquiry.\nSinceraly,\nRosser Peppercosto\nRobert Petrancosta\ncjg\n(734) 768-0203 (734) 2115650 FAX wwk.con-way.com\n110 PARKLAND PLAZA ANN ARBOR, MI 48103","truncated":false,"body_characters":2653}