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Inspection Detail



Violation Summary
Serious Willful Repeat Other Unclass Total
Initial Violations 3 2 1 6
Current Violations 6 6
Initial Penalty $12,000 $140,000 $12,500 $0 $0 $164,500
Current Penalty $50,000 $0 $0 $0 $0 $50,000
FTA Amount $0 $0 $0 $0 $0 $0

Violation Items
# ID Type Standard Issuance Abate Curr$ Init$ Fta$ Contest LastEvent
  1. 01001A Serious 19100038 A01 07/22/1996 08/24/1996 $7,000 $5,000 $0 08/14/1996 F - Formal Settlement
  2. 01001B Serious 19100038 A01 07/22/1996 08/24/1996 $0 $0 $0 08/14/1996 F - Formal Settlement
  3. 01001C Serious 19100038 A01 07/22/1996 08/24/1996 $0 $0 $0 08/14/1996 F - Formal Settlement
  4. 01001D Serious 19100038 A01 07/22/1996 08/24/1996 $0 $0 $0 08/14/1996 F - Formal Settlement
  5. 01001E Serious 19100038 A01 07/22/1996 08/24/1996 $0 $0 $0 08/14/1996 F - Formal Settlement
  6. 01001F Serious 19100038 A01 07/22/1996 08/24/1996 $0 $0 $0 08/14/1996 F - Formal Settlement
  7. 01001G Serious 19100038 A01 07/22/1996 08/24/1996 $0 $0 $0 08/14/1996 F - Formal Settlement
  8. 01001H Serious 19100038 A01 07/22/1996 08/24/1996 $0 $0 $0 08/14/1996 F - Formal Settlement
  9. 01001I Serious 19100038 A01 07/22/1996 08/24/1996 $0 $0 $0 08/14/1996 F - Formal Settlement
  10. 01001J Serious 19100038 A01 07/22/1996 08/24/1996 $0 $0 $0 08/14/1996 F - Formal Settlement
  11. 01002A Serious 19100132 A 07/22/1996 08/08/1996 $5,000 $5,000 $0 08/14/1996 F - Formal Settlement
  12. 01002B Serious 19100132 C 07/22/1996 08/08/1996 $0 $0 $0 08/14/1996 F - Formal Settlement
  13. 01003A Serious 19100219 D01 07/22/1996 08/08/1996 $5,000 $2,000 $0 08/14/1996 F - Formal Settlement
  14. 01003B Serious 19100219 E03 I 07/22/1996 08/08/1996 $0 $0 $0 08/14/1996 F - Formal Settlement
  15. 02001 Serious 19100159 C01 I 07/22/1996 08/24/1996 $28,000 $70,000 $0 08/14/1996 F - Formal Settlement
  16. 02002 Serious 19100159 C01 I 07/22/1996 08/24/1996 $0 $70,000 $0 08/14/1996 F - Formal Settlement
  17. 03001 Serious 19100303 B01 07/22/1996 08/08/1996 $5,000 $12,500 $0 08/14/1996 F - Formal Settlement

Accident Investigation Summary
Summary Nr: 170993182 Event: 01/24/1996Three Employees Burned When Slag Cleaning Vessel Explodes
At 4:52 p.m. on January 24, 1996, Employees #1 through #3 were present when a major explosion occurred in an electric slag cleaning vessel at a copper smelting operation. The cleaning vessel was a furnace that used carbon electrodes to heat a molten mixture, separating slag material and copper-containing material. An initial minor explosion may have been caused by removal of the electrodes from the molten mixture, by hydrolyzed water, or by water reacting with the material. The first explosion was probably caused by suspended coke dust, a substance added to the molten mixture within the cleaning vessel. The suspended coke dust then ignited into a second major explosion. Employees #1 through #3 sustained burns from the superheated steam.
Keywords: burn, furnace, dust, steam, explosion, molten metal, chemical reaction, combustible dust, mech malfunction, high temperature
Inspection Degree Nature Occupation
1 106335979 Non Hospitalized injury Burn/Scald(Heat) Occupation not reported
2 106335979 Hospitalized injury Burn/Scald(Heat) Occupation not reported
3 106335979 Hospitalized injury Burn/Scald(Heat) Occupation not reported

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