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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 14303762 - Chemical Reactor Exploded; Killing And Injuring Employees

Accident: 14303762 -- Report ID: 0257210 -- Event Date: 06/12/1986
InspectionOpen DateSICEstablishment Name
317699706/12/19862834Merck Sharp & Dohme Quimica De P.R., Inc.
AT APPROXIMATELY 6:10 AM ON JUNE 12, 1986, (DURING A SHIFT CHANGE) AN APPARENT LOSS OF LIQUID IN THE 4301 REACTOR, USED TO MANUFACTURE METHYLDOPA, CASED AN OVERHEAT CONDITION IN THE REACTOR. THE REACTOR IS LOCATED IN THE MODULAR BUILDING, FACTORY #1 OF THE MERCK, SHARP AND DOHME COMPANY, QUIMICA, PUERTO RICO. THE REACTOR EXPLODED, CAUSING THE IMMEDIATE DEATHS OF EMPLOYEES #1 THROUGH #3. EMPLOYEES #4 THROUGH #6 SUFFERED BURNS FROM THE FIRE WHICH IMMEDIATELY FOLLOWED THE EXPLOSION. EMPLOYEES #7 AND #8 RECEIVED FRACTURES.
Keywords: burn, fracture, fire, explosion, chemical reaction, chemical, high temperature
Employee # Inspection Age Sex Degree Nature Occupation
1 3176997 Hospitalized injury Fracture Occupation not reported
2 3176997 Hospitalized injury Burn/Scald(Heat) Occupation not reported
3 3176997 Hospitalized injury Burn/Scald(Heat) Occupation not reported
4 3176997 Hospitalized injury Burn/Scald(Heat) Occupation not reported
5 3176997 Fatality Burn/Scald(Heat) Occupation not reported
6 3176997 Fatality Burn/Scald(Heat) Chemical technicians
7 3176997 Fatality Burn/Scald(Heat) Chemical technicians
8 3176997 Hospitalized injury Burn/Scald(Heat) Occupation not reported

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