{"operation":"document","citation":"P-74-043","title":"NTSB Safety Recommendation P-74-043","source_type":"guidance","agency":"National Transportation Safety Board","status":"guidance","official":true,"published_on":"1974-10-24","effective_on":"1974-10-24","summary":"THE NTSB RECOMMENDS THAT THE AMERICAN GAS ASSOCIATION: GIVE A HIGH PRIORITY TO THE PROBLEM OF SOIL ADSORPTION OF ODORANT COMPOUNDS IN ITS PLANNED RESEARCH TO DEVELOP AN IMPROVED ODORANT. (URGENT)","machine_formats":{"json":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-74-043.json","markdown":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-74-043.md"},"app_url":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-74-043","source_url":"https://data.ntsb.gov/carol-main-public/sr-details/P-74-043","body":"NTSB safety recommendation P-74-043.\n\nTHE NTSB RECOMMENDS THAT THE AMERICAN GAS ASSOCIATION: GIVE A HIGH PRIORITY TO THE PROBLEM OF SOIL ADSORPTION OF ODORANT COMPOUNDS IN ITS PLANNED RESEARCH TO DEVELOP AN IMPROVED ODORANT. (URGENT)\n\nPriority: CLASS I\n\nOverall Status: Closed - Acceptable Action\n\nIssued Date: 1974-10-24\n\nAdopted Date: 1974-10-24\n\nOverall Date Closed: 1983-03-31\n\nSynopsis: ON JUNE 23, 1973, A SERIES OF EXPLOSIONS, FOLLOWED BY FIRE, OCCURRED AT 12321 WELLING LANE IN BOWIE, MARYLAND. THREE OCCUPANTS OF THE HOUSE WERE KILLED, AND A FOURTH WAS INJURED; THE HOUSE WAS BADLY DAMAGED. HOUSES IN A FIVE-BLOCK AREA WERE EVACUATED.\n\nNtsbnumber: PLD73XR006\n\nReport Number: PAR-74-05\n\nAddressee Name: American Gas Association\n\nAddressee Status: Closed--No Longer Applicable\n\nAddressee Date Closed: 1983-03-31\n\nAddressee Acronym: AGA\n\nAddressee Organization Type: A-Associations\n\nCommunication Date: 1975-03-31\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: PHONE CONVERSATION WITH THE AMERICAN GAS ASSOCIATION ON 3/31/75: ON MARCH 19, 1975, THE AMERICAN GAS ASSOCIATION (AGA) AUTHORIZED $170,000 FOR THE FIRST YEAR OF A THREE YEAR STUDY OF THE PROBLEM OF GAS ODORIZATION.\n\nAddressee Acronym: AGA\n\nAddressee Organization Type: A-Associations\n\nCommunication Date: 1983-01-26\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: GAS RESEARCH INSTITUTE LETTER: THIS RECOMMENDATION CALLED FOR THE DEVELOPMENT OF IMPROVED ODORANTS AND ODORANT MEASUREMENT TECHNIQUES AND A BETTER UNDERSTANDING OF ODORANT ADSORPTON BY SOILS. A.G.A. INITIATED SUCH A STUDY WITH ARTHUR D. LITTLE, INC., IN 1975. THIS STUDY WAS CONTINUED AND ITS SCOPE EXPANDED UNDER GRI SPONSORSHIP AFTER GRI BECAME THE OFFICIAL R&D ARM OF THE GAS INDUSTRY. THE FOLLOWING IS A SUMMARY OF OUR RESULTS AND CONCLUSIONS TO DATE: THE PROPENSITIES OF GAS ODORANTS TO BE ABSORBED BY VARIOUS CLAYS AND TO REACT WITH PIPE WALL MATERIALS WERE THOROUGHLY INVESTIGATED. DYNAMIC LABORATORY METHODS WERE DEVELOPED FOR TESTING BOTH SOIL/ODORANT AND PIPE/ODORANT INTERACTIONS. WE FEEL THAT WITH THESE STUDIES, A.G.A. AND GRI HAVE COMPLIED WITH NTSB RECOMMENDATIONS NO. P-74-43 AND P-74-45.\n\nAddressee Acronym: AGA\n\nAddressee Organization Type: A-Associations\n\nCommunication Date: 1979-01-02\n\nCommunication Type: Official Correspondence\n\nAddressee Acronym: AGA\n\nAddressee Organization Type: A-Associations\n\nCommunication Date: 1979-10-31\n\nCommunication Type: Official Correspondence\n\nAddressee Acronym: AGA\n\nAddressee Organization Type: A-Associations\n\nCommunication Date: 1983-03-31\n\nCommunication Type: Official Correspondence","truncated":false,"body_characters":2618}