{"operation":"document","citation":"98-0576","title":"Hazmat Guru Consulting — Hazardous Materials Safety Interpretation","source_type":"guidance","agency":"Pipeline and Hazardous Materials Safety Administration","status":"guidance","official":true,"published_on":"1998-06-26","effective_on":null,"summary":"98-0576 response to Hazmat Guru Consulting concerning 175.75.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-interpretation-98-0576.json","markdown":"https://regulus.evalyn.ai/document/phmsa-interpretation-98-0576.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-interpretation-98-0576","source_url":"https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/1998/980576.pdf","body":"<<<PAGE 1>>>\n\n=\n1\nof Transportation\nU.S. Department\nWashington, D C\n400 Seventh Street, S.W.\n20590\nResearch and\nAdministration\nSpecial Programs\nJUN 2 6 1998\nMr. H.J. Pace\nHazmat Guru Consulting\nPresident, CEO\n6917 Kirkwood Road\nFort Worth, TX 76116-9420\nDear Mr. Pace:\nThis is in response to your letter requesting clarification of quantity limits for carriage on\nthe delay in responding.\ncargo-only aircraft of hazardous materials in inaccessible cargo compartment. I apologize for\nYour questions have been paraphrased and answered as follows:\nQuestion 1.\nHow much hazardous material acceptable for passenger or cargo aircraft\nmay be transported in an inaccessible cargo compartment or freight container?\nPassenger authorized hazardous materials that are carried aboard passenger aircraft in\ninaccessible compartments are limited by 49 CFR 175.75(a)(2)(i) to 25 kg. of hazardous\nmaterials (reference to the Division 2.2 limit will be omitted for the sake of simplicity) per\ncompartment, whether in a freight container or not. Passenger authorized hazardous materials\ncarried aboard cargo-only aircraft in inaccessible compartments or an inaccessible manner\nwithin an accessible compartment are limited to 25 kg. of hazardous material per compartment\nwhen not in freight containers. If a passenger authorized hazardous material is carried within\nfreight containers in an accessible cargo compartment, they are limited to 25 kg. of hazardous\nmaterial per freight container.\nQuestion 2. How much cargo-only authorized hazardous materials carried aboard\ncargo-only aircraft are allowed to be transported in an inaccessible cargo compartment?\nThe answer is none. Section 175.85(b) prohibits the carriage of hazardous materials\n- accepad in a Cr 1750 aic) hazarous matails prepared acresis ration at andy\naircraft must always be accessible by the flight crew.\n\n<<<PAGE 2>>>\n\n-\nYour inquiry highlights some of the difficulty which has been experienced in interpreting\n$$ 175.75 and 175.85. We are currently examining all of the provisions of 49 CFR Part 175,\nand intend to correct discrepancies in a future rulemaking.\nI trust this satisfies your inquiry. If this Office can be of further assistance, please contact us.\nSincerely,\ndward I. Mazzu\nDirector, Office of Hazardous\nMaterials Standards\n\n<<<PAGE 3>>>\n\nMSULTING/TNG INC Fax: 817-732-2933 Voice: 817-732-2933/3819 To: Mr. Ed Mazzulo, Director at: Ofc of HM Standards, RSPA Page 2 of 2 Tuesday, January 20, 1\n. =\nLa Valle\n/\nHAZMAT GURU CONSULTING/TRAINING INC\nFORT WORTH, TX 761 16-9420\n6917 KIRKWOOD ROAD\nFile: 115,25\nFAX: 817-732-2033\n817-732-3810\nSC: 412,\nJanuary 20, 1998\nMR. EDWARD MAZZULO, DIRECTOR\nOFFICE OF HAZARDOUS MATERIALS STANDARDS\nRESEARCH AND SPECIAL PROGRAMS ADMINISTRATION\nU.S. DEPARTMENT OF TRANSPORTATION\n400 7TH STREET, SW\n•\nWASHINGTON, DC 20590-0001\nDEAR MR MAZZULLO:\nSUBJECT: REQUEST FOR INTERPRETATION OF TITLE 49 CODE OF FEDERAL\nREGULATIONS PART 175.75 (a).\nBasically our question is:\n1. On a cargo only aircraft how many kilos of hazardous materials acceptable\nfor passenger or cargo aircraft can be tranported in an inaccessible cargo compartment or\nfreight container ?\n2. On a cargo only aircraft how many kilos of hazardous materials acceptable\non for cargo aircraft only can be transported in an inaccessible cargo compartment or freight\ncontainer?\nThank for your consideration and if possible prompt response. This effects one of this\ncompany's customers involved in transportation of large amounts of hazardous materials on a\ndaily basis and we need to assure that the correct interpretation is provided during training of\naircraft loaders and flight crews.\nSincerely,\nH.J. (JERRY) PACE\nPRESIDENT, CEO","truncated":false,"body_characters":3682}