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Inspection Detail

Inspection: 108779810 - Unitrode Integrated Circuits Corp.

Inspection Information - Office: Concord Area Office

 

Inspection Nr: 108779810
Report ID: 0111700
Date Opened: 12/23/1993

Site Address:
Unitrode Integrated Circuits Corp.
7 Continental Blvd.
Merrimack, NH 03054

Mailing Address:
, , 00000

Union Status: NonUnion

SIC:3674

NAICS: 0 

Inspection Type: Referral

Scope: Partial

Advanced Notice: N

Ownership: Private

Safety/Health: Safety

Close Conference: 02/02/1994

Emphasis:

Case Closed: 12/16/1994

Related Activity
Type Activity Nr Safety Health
Referral 902571660 Yes
Violation Summary
Violations/Penalties Serious Willful Repeat Other Unclass Total
Initial Violations 11 1 12
Current Violations 11 1 12
Initial Penalty $40,625 $0 $0 $0 $0 $40,625
Current Penalty $24,375 $0 $0 $0 $0 $24,375
FTA Penalty $0 $0 $0 $0 $0 $0

Violation Items
# Citation ID Citaton Type Standard Cited Issuance Date Abatement Due Date Current Penalty Initial Penalty FTA Penalty Contest Latest Event Note
1. 01001 Serious 19100120 Q01 03/30/1994 10/25/1994 $3,000 $5,000 $0 I - Informal Settlement  
2. 01002A Serious 19100120 Q03 III 03/30/1994 10/25/1994 $1,275 $2,125 $0 I - Informal Settlement  
3. 01002B Serious 19100120 Q10 03/30/1994 10/25/1994 $0 $0 $0 I - Informal Settlement  
4. 01003 Serious 19100120 Q03 IV 03/30/1994 08/25/1994 $3,000 $5,000 $0 I - Informal Settlement  
5. 01004 Serious 19100120 Q09 I 03/30/1994 05/02/1994 $1,275 $2,125 $0 I - Informal Settlement  
6. 01005 Serious 19100132 A 03/30/1994 11/07/1994 $3,000 $5,000 $0 I - Informal Settlement  
7. 01006A Serious 19100134 A02 03/30/1994 10/14/1994 $1,275 $2,125 $0 I - Informal Settlement  
8. 01006B Serious 19100134 E01 03/30/1994 10/14/1994 $0 $0 $0 I - Informal Settlement  
9. 01006C Serious 19100134 E03 03/30/1994 10/14/1994 $0 $0 $0 I - Informal Settlement  
10. 01007 Serious 19100134 E05 03/30/1994 10/14/1994 $3,000 $5,000 $0 I - Informal Settlement  
11. 01008 Serious 19100147 C04 I 03/30/1994 10/28/1994 $3,000 $5,000 $0 I - Informal Settlement  
12. 01009 Serious 19100147 C06 I 03/30/1994 10/28/1994 $1,275 $2,125 $0 I - Informal Settlement  
13. 01010 Serious 19100147 C07 I 03/30/1994 10/28/1994 $3,000 $5,000 $0 I - Informal Settlement  
14. 01011 Serious 19101200 H02 III 03/30/1994 08/29/1994 $1,275 $2,125 $0 I - Informal Settlement  
15. 02001 Other 19100147 C08 03/30/1994 05/16/1994 $0 $0 $0 I - Informal Settlement  

Investigation Summary

Investigation Nr: 14529515
Event: 12/23/1993
Employee sustains burns from explosion while cleaning

Employee #1 was cleaning the exhaust lines of an EPI reactor. The exhaust lines are normally devoid of oxygen after being purged with nitrogen. When being cleaned, the exhaust lines are exposed to air and the deposits inside of the exhaust lines become pyrophoric. While removing a filter for the vacuum pump on the exhaust line, Employee #1 slipped with a screw driver and contacted some of the pyrophoric deposits. An explosion occurred. Employee #1 sustained serious burn injuries and was hospitalized.

Keywords: BURN, EXHAUST SYSTEM, REACTOR, CLEANING, SLIP, EXPLOSION, HAND TOOL

Investigated Inspection
# Inspection Age Sex Degree of Injury Nature of Injury Occupation
1 108779810 Hospitalized injury Burn(Chemical) Occupation not reported
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