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Safety Recommendation Details

Safety Recommendation I-76-002
Details
Synopsis: AT 12:30 P.M. ON AUGUST 6, 1974, A SHIPMENT OF MONOMETHYLAMINE NITRATE SOLUTION (PRM) EXPLODED DURING ROUTINE SWITCHING OPERATIONS IN BURLINGTON NORTHERN'S APPLE YARD IN WENATCHEE, WASHINGTON. THE PRM WAS BEING TRANSPORTED IN TANK CAR DUPX 16009, OPERATED BY E. I. DUPONT DE NEMOURS & COMPANY, UNDER DOT SPECIAL PERMIT 5737. TWO PERSONS DIED, 113 WERE INJURED, AND ESTIMATED LOSSES EXCEEDED $7,500,000.
Recommendation: THE NTSB RECOMMENDS THAT THE SECRETARY OF TRANSPORTATION: PUBLISH GUDELINES DESCRIBING METHODS AVAILABLE FOR CONDUCTING SAFETY ANALYSES THAT WOULD FACILITATE THE DISCOVERY OF DETONATION RISKS AND STANDARDS TO BE MET IN PREPARING THE PROPOSAL.
Original recommendation transmittal letter: PDF
Overall Status: Closed--No Longer Applicable
Mode: Intermodal
Location: Wenatchee, WA, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: 80170
Accident Reports: Burlington Northern Inc., Monomethylamine Nitrite Explosion
Report #: RAR-76-01
Accident Date: 8/6/1974
Issue Date: 2/2/1976
Date Closed: 8/13/1979
Addressee(s) and Addressee Status: RSPA (Closed--No Longer Applicable)
Keyword(s): Hazmat

Safety Recommendation History
From: NTSB
To: RSPA
Date: 8/13/1979
Response:

From: RSPA
To: NTSB
Date: 6/1/1976
Response: 6/1/76 - MTB LTR: MANY SYSTEMS AVAILABLE - NO ONE BEST. MTB IS CONTINUING STUDY. MUST BE EVALUATED BEFORE RULE MAKING. OCTOBER 1976 - NEWSLETTER FROM DOT. 5/1/78 LASTEST RESPONSE ON RISK ANALYSIS CAME DURING THE QUARTERLY MEETING OF MAY 1, 1978. DOT IS PURSUING THE PROBLEM AND HAS MADE SOME PROGRESS.