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Occupational Safety and Health Administration OSHA

Inspection Detail

Inspection: 17901349 - Hitchiner Manufacturing Co., Inc.

Inspection Information - Office: Concord

Nr: 17901349Report ID: 0111700Open Date: 06/12/1991

Hitchiner Manufacturing Co., Inc.
Beacon St.
Littleton, NH 03561
Union Status: NonUnion
SIC: 3559/Special Industry Machinery, Not Elsewhere Classified
Mailing: P. O. Box 679, Littleton, NH 03561

Inspection Type:Referral
Scope:Partial Advanced Notice:N
Safety/Health:Health Close Conference:06/13/1991
Close Case:06/24/1992

Related Activity:TypeIDSafetyHealth
 Referral901756155 Yes  

Violation Summary
Serious Willful Repeat Other Unclass Total
Initial Violations 2 2
Current Violations 1 1
Initial Penalty $3,750 $0 $0 $0 $0 $3,750
Current Penalty $1,875 $0 $0 $0 $0 $1,875
FTA Amount $0 $0 $0 $0 $0 $0

Violation Items
# ID Type Standard Issuance Abate Curr$ Init$ Fta$ Contest LastEvent
Deleted 1. 01001 Serious 5A0001 07/17/1991 07/20/1991 $1,875 $1,875 $0 I - Informal Settlement
Deleted 2. 01002 Serious 19101200 D01 07/17/1991 08/17/1991 $1,875 $1,875 $0 I - Informal Settlement
  3. 01003A Serious 19101200 D01 07/17/1991 07/20/1991 $1,875 $0 $0 Q - National Office Adjustment
  4. 01003B Serious 19101200 D01 07/17/1991 08/17/1991 $0 $0 $0 -

Accident Investigation Summary
Summary Nr: 14528970Event: 06/12/1991Employee Burned When Dust Collector Explodes
Employee #1 was feeding 400 lb of granular polyalphamethyl styrene (CAS 25014-31-7) through a Mikropal #3 micropulverizer (equipped with a .032 in. screen) into a Mikropal Mikro-Pulsaire dry dust collector. The Mikro-Pulsaire unit has a continuously self-cleaning bag filter located inside the building and had no provision for explosion relief or venting. Apparently a piece of metal between 1 and 2 in. got past the magnet in the micropulverizer, ignited the dust in the system, and caused a fire and explosion that blew open the access door to the dust collector. Employee #1 was standing about 10 ft from the door and sustained second- and third degree-burns on his hands and face.
Keywords: burn, explosion venting, work rules, fire, dust collector, explosion, styrene, combustible dust, face, hand
Inspection Degree Nature Occupation
1 17901349 Hospitalized injury Burn/Scald(Heat) Occupation not reported

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