{"operation":"document","citation":"P-74-039","title":"NTSB Safety Recommendation P-74-039","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 DEPARTMENT OF HOUSING AND URBAN DEVELOPMENT: STUDY THE FLOW OF NATURAL GAS THROUGH VARIOUS BASEMENT WALL AND FLOOR MATERIALS AND THROUGH VARIOUS TYPES OF CONSTRUCTION. THE STUDY SHOULD INCLUDE EFFECTIVE METHODS OF SEALING THE SPACE AROUND UNDERGROUND UTILITY LINES AND DUCTS WHERE THEY ENTER A BUILDING, AND METHODS OF PERMITTING GAS TO ESCAPE IN THE OPEN ATMOSPHERE WHEN CONDUCTED TO THESE ","machine_formats":{"json":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-74-039.json","markdown":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-74-039.md"},"app_url":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-74-039","source_url":"https://data.ntsb.gov/carol-main-public/sr-details/P-74-039","body":"NTSB safety recommendation P-74-039.\n\nTHE NTSB RECOMMENDS THAT THE DEPARTMENT OF HOUSING AND URBAN DEVELOPMENT: STUDY THE FLOW OF NATURAL GAS THROUGH VARIOUS BASEMENT WALL AND FLOOR MATERIALS AND THROUGH VARIOUS TYPES OF CONSTRUCTION. THE STUDY SHOULD INCLUDE EFFECTIVE METHODS OF SEALING THE SPACE AROUND UNDERGROUND UTILITY LINES AND DUCTS WHERE THEY ENTER A BUILDING, AND METHODS OF PERMITTING GAS TO ESCAPE IN THE OPEN ATMOSPHERE WHEN CONDUCTED TO THESE ENTRANCE AREAS.\n\nPriority: CLASS II\n\nOverall Status: Closed - Reconsidered\n\nIssued Date: 1974-10-24\n\nAdopted Date: 1974-10-24\n\nOverall Date Closed: 1995-07-03\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: United States Department of Housing and Urban Development\n\nAddressee Status: Closed - Reconsidered\n\nAddressee Date Closed: 1995-07-03\n\nAddressee Acronym: HUD\n\nAddressee Organization Type: G-Federal Government\n\nCommunication Date: 1995-07-03\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: THE BOARD RECORDS SHOW NO RESPONSE FROM HUB REGARDING THIS RECOMMENDATION & POSSIBLE HUB FUNDING OF SUCH A STUDY TO BE ACHIEVED BY THE NATIONAL BUREAU OF STANDARDS (NOW THE NATIONAL INSTITUTE OF STANDARDS & TECHNOLOGY). IN ADDITION, THIS ISSUE HAS NOT BEEN ADDRESSED IN RECENT ACCIDENTS. THEREFORE, THE BOARD HAS CLASSIFIED P-74-39 \"CLOSED-RECONSIDERED.\"\n\nAddressee Acronym: HUD\n\nAddressee Organization Type: G-Federal Government\n\nCommunication Date: 1995-04-27\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: NO RESPONSE\n\nAddressee Acronym: HUD\n\nAddressee Organization Type: G-Federal Government\n\nCommunication Date: 1978-06-27\n\nCommunication Type: Official Correspondence","truncated":false,"body_characters":1953}