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Occupational Safety and Health Administration OSHA

Inspection Detail

Inspection: 109364612 - Hart Metals, Inc.

Inspection Information - Office: Wilkes-Barre

Nr: 109364612Report ID: 0317700Open Date: 06/29/1990

Hart Metals, Inc.
Route 209 North
Tamaqua, PA 18252
Union Status: Union
SIC: 3369/Nonferrous Foundries, Except Aluminum and Copper
Mailing: P.O. Box 428, Tamaqua, PA 18252

Inspection Type:Referral
Scope:Complete Advanced Notice:N
Ownership:Private
Safety/Health:Health Close Conference:09/19/1990
Close Case:01/02/1992

Related Activity:TypeIDSafetyHealth
 Referral901005264   Yes

Violation Summary
Serious Willful Repeat Other Unclass Total
Initial Violations 5 1 6
Current Violations 5 1 6
Initial Penalty $2,790 $0 $0 $90 $0 $2,880
Current Penalty $1,910 $0 $0 $90 $0 $2,000
FTA Amount $1,000 $0 $0 $0 $0 $1,000

Violation Items
# ID Type Standard Issuance Abate Curr$ Init$ Fta$ Contest LastEvent
  1. 01001 Serious 5A0001 10/22/1990 02/21/1991 $620 $720 $0 I - Informal Settlement
  2. 01002 Serious 5A0001 10/22/1990 12/01/1990 $620 $720 $0 I - Informal Settlement
  3. 01003 Serious 19100120 Q01 10/22/1990 12/21/1990 $265 $540 $0 I - Informal Settlement
  4. 01004A Serious 19100134 B01 10/22/1990 12/21/1990 $225 $450 $0 I - Informal Settlement
  5. 01004B Serious 19100134 D02 I 10/22/1990 11/21/1990 $0 $0 $0 -
  6. 01004C Serious 19100134 E03 10/22/1990 12/21/1990 $0 $0 $0 I - Informal Settlement
  7. 01004D Serious 19100134 F02 IV 10/22/1990 11/21/1990 $0 $0 $0 -
  8. 01005A Serious 19100156 B01 10/22/1990 12/21/1990 $180 $360 $0 I - Informal Settlement
  9. 01005B Serious 19100156 B02 10/22/1990 12/21/1990 $0 $0 $1,000 I - Informal Settlement
  10. 01005C Serious 19100156 C04 10/22/1990 12/21/1990 $0 $0 $0 I - Informal Settlement
  11. 01005D Serious 19100157 E03 10/22/1990 12/21/1990 $0 $0 $0 I - Informal Settlement
  12. 01005E Serious 19100157 F16 10/22/1990 12/21/1990 $0 $0 $0 I - Informal Settlement
Deleted 13. 01005F Serious 19100165 B01 10/22/1990 11/21/1990 $0 $0 $0 I - Informal Settlement
  14. 02001 Other 19040002 A 10/22/1990 11/21/1990 $90 $90 $0 -

Accident Investigation Summary
Summary Nr: 14330815Event: 06/29/1990Two Employees Injured In Combustible Dust Explosion
Employees #1 and #2 were milling magnesium powder to a particle size of approximately 149 microns in diameter. Employee #1 was sweeping the floor while Employee #2 was manually dumping magnesium powder into a pneumatic feed that would feed the larger particles to a hammermill. The company had installed the milling system on site, using a variety of pre-manufactured components. Approximately 25 minutes after the start of the operation, the magnesium dust in the system ignited. The subsequent fire severely burned Employee #1 and caused multiple injuries to Employee #2. Both employees were hospitalized. The accident was caused by inadequate employee training and improper process controls and instrumentation. Improper explosion venting and suppression were contributing factors.
Keywords: burn, explosives, ventilation, explosion venting, fire, equipment failure, explosion, combustible dust, process safety, untrained
Inspection Degree Nature Occupation
1 109364612 Hospitalized injury Bruise/Contus/Abras Occupation not reported
2 109364612 Hospitalized injury Burn/Scald(Heat) Occupation not reported

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