{"operation":"document","citation":"P-85-008","title":"NTSB Safety Recommendation P-85-008","source_type":"guidance","agency":"National Transportation Safety Board","status":"guidance","official":true,"published_on":"1985-07-01","effective_on":"1985-07-01","summary":"THE NTSB RECOMMENDS THAT THE SOUTHWEST GAS CORPORATION, AS SUCCESSOR TO THE ARIZONA PUBLIC SERVICE COMPANY: CONTINUOUSLY SAMPLE THE NATURAL GAS STREAM AT ITS TOWN BORDER STATIONS FOR ENTRAPPED LIQUIDS, CHECK THE CHEMICAL COMPOSITION OF ANY LIQUIDS COLLECTED TO DETERMINE THEIR EFFECTS ON ABS OR OTHER TYPES OF PLASTIC PIPE, AND IF INDICATED FILTER OR OTHERWISE REMOVE THESE LIQUIDS BEFORE THEY ENTER THE GAS DISTRIBUTION","machine_formats":{"json":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-85-008.json","markdown":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-85-008.md"},"app_url":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-85-008","source_url":"https://data.ntsb.gov/carol-main-public/sr-details/P-85-008","body":"NTSB safety recommendation P-85-008.\n\nTHE NTSB RECOMMENDS THAT THE SOUTHWEST GAS CORPORATION, AS SUCCESSOR TO THE ARIZONA PUBLIC SERVICE COMPANY: CONTINUOUSLY SAMPLE THE NATURAL GAS STREAM AT ITS TOWN BORDER STATIONS FOR ENTRAPPED LIQUIDS, CHECK THE CHEMICAL COMPOSITION OF ANY LIQUIDS COLLECTED TO DETERMINE THEIR EFFECTS ON ABS OR OTHER TYPES OF PLASTIC PIPE, AND IF INDICATED FILTER OR OTHERWISE REMOVE THESE LIQUIDS BEFORE THEY ENTER THE GAS DISTRIBUTION SYSTEM.\n\nPriority: CLASS II\n\nOverall Status: Closed - Acceptable Action\n\nIssued Date: 1985-07-01\n\nAdopted Date: 1985-06-12\n\nOverall Date Closed: 1989-05-12\n\nSynopsis: AT 3:30 A.M. ON SEPTEMBER 25, 1984, AN EXPLOSION FOLLOWED BY AN INTENSE NATURAL GASFED FIRE DESTROYED TWO APARTMENTS AT 3022 NORTH 37TH STREET IN PHOENIX, ARIZONA. OF THE 12 PERSONS INJURED IN THE FIRE, 5 PERSONS LATER DIED. AFTER THE FIRE WAS EXTINGUISHED, THE 1 1/4-INCH-DIAMETER PLASTIC GAS MAIN SUPPLYING GAS TO THE DESTROYED APARTMENTS WAS EXCAVATED AND A 3-INCH-LONG LONGITUDINAL SPLIT WAS DISCOVERED IN THE BOTTOM OF THE PIPE 18 FEET FROM THE GAS METERS ON THE APARTMENT BUILDING. GAS AT 30 PSIG HAD ESCAPED THROUGH THE LONGITUDINAL SPLIT, MIGRATED INTO AND UNDER THE APARTMENTS, IGNITED, EXPLODED, AND BURNED.\n\nKeywords: Hazmat\n\nNtsbnumber: DCA84AP026\n\nReport Number: PAR-85-01\n\nAddressee Name: Southwest Gas Company\n\nAddressee Status: Closed - Acceptable Action\n\nAddressee Date Closed: 1989-05-12\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1989-01-16\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: WE INITIATED A PROGRAM IN 1984 OF INSPECTING OUR FIVE TOWN BORDER STATIONS AND SOME OF THE SMALLER RECEIPT POINTS ON A WEEKLY BASIS AND WILL CONTINUE WITH THE PROGRAM TILL THE ABS MATERIAL IS REMOVED AT WHICH TIME THE PROGRAM WILL BE EVALUATED. AS OF THIS DATE WE HAVE BEEN UNABLE TO DETECT ANY LIQUIDS IN THE SCRUBERS AT THE STATIONS OR ANY OTHER STATION PIPING.\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1989-05-12\n\nCommunication Type: Official Correspondence\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1988-10-21\n\nCommunication Type: Official Correspondence","truncated":false,"body_characters":2198}