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Occupational Safety and Health Administration OSHA

Inspection Detail

Inspection: 105597454 - Hydro Chem Industrial Service Inc.

Inspection Information - Office: Utah

Nr: 105597454Report ID: 0854910Open Date: 02/02/1989

Hydro Chem Industrial Service Inc.
11600 West 2100 South
Magna, UT 84044
Union Status: Union
SIC: 3331/Primary Smelting and Refining of Copper
Mailing: 13205 S Minuteman Dr., Draper, UT 84020

Inspection Type:Accident
Scope:Partial Advanced Notice:Y
Ownership:Private
Safety/Health:Safety Close Conference:02/02/1989
Planning Guide: Safety-Manufacturing Close Case:06/20/1989

Related Activity:TypeIDSafetyHealth
 Accident360292270    

Violation Summary
Serious Willful Repeat Other Unclass Total
Initial Violations 1 1
Current Violations 1 1
Initial Penalty $0 $0 $960 $0 $0 $960
Current Penalty $200 $0 $0 $0 $0 $200
FTA Amount $0 $0 $0 $0 $0 $0

Violation Items
# ID Type Standard Issuance Abate Curr$ Init$ Fta$ Contest LastEvent
  1. 01001A Serious 359000501 03/02/1989 03/09/1989 $200 $960 $0 I - Informal Settlement
Deleted 2. 01001B Repeat GEN00150901 03/02/1989 03/09/1989 $0 $0 $0 I - Informal Settlement

Accident Investigation Summary
Summary Nr: 777938Event: 02/01/1989No Employee Injuries Sustained In Explosion And Fire
Propellant for the Delta II booster-rocket motor was being mixed by remote control. Therefore, there were no employees in the building. The propellant was in the final mixing stage when there was an explosion and fire. There were no employee injuries. The mix bowl contained 1,800 gallons or 25,000 lb of propellant. The exact cause of the explosion and fire has not been determined, but evidence suggests that there was probably a foreign object in the mix. There is a good possibility that a stainless steel lens cover for the infrared sensor worked loose and fell into the bowl during mixing operations. The lens cover is approximately 3/4 in. in diameter and 1/4 in. thick and could have been the source of ignition.
Keywords: fire, mixer, explosion, fuel oil
Inspection Degree Nature Occupation
1 105597454 Occupation Not Listed
2 105597454 Hospitalized injury Amputation Slicing and cutting machine operators

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