Portland, OR —
OSHA Injury Report: ASC
Injury · Days away from work
At a glance
On , an injury at ASC in Portland, OR 97202 resulted in days away from work. Employee was machine Operator in foundries (except die-casting), nonferrous metals (except aluminum).
Where did this happen?
- Establishment
- ASC
- Parent company
- Precision Castparts Corp
- Street
- 4600 SE Harney Dr
- City
- Portland
- State
- OR
- ZIP
- 97202
- On-site location
- ASC production floor
What was the outcome?
- Outcome
- Days away from work (code 2)
- Type
- Injury (code 1)
- Days away from work
- 41
Before the incident
Changing a dry pump filter on the [REDACTED] furnace
What happened
On [REDACTED] an employee at the Alloy Service Center (ASC) sustained second-degree facial burns and eye irritation due to a magnesium flash explosion while changing a dry pump filter on the [REDACTED] furnace. The incident occurred despite the employee wearing all required PPE. The explosion was triggered by magnesium buildup in the filter likely ignited by electrostatic discharge during an o-ring replacement. Contributing factors included overheating of the melt caused by heavy dross accumulation which led to a reduction reaction converting magnesia to magnesium. Immediate corrective actions included halting melting of large slugs from furnace failures vendor cleaning of vacuum systems and initiating evaluations of filtration systems PPE updates and process risk assessments.
Injury or illness
Burn or Scald (heat) Head - Facial Area Cheek
Object or substance involved
Concussive force of reacted magnesium dust.
Summary line
Burn or Scald (heat) Head - Facial Area Cheek Concussive force of reacted magnesium dust. Struck by
Employee and industry
- Job description
- Machine Operator
- SOC code
- 51-4199 — Metal Workers and Plastic Workers, All Other
- NAICS code
- 331529 — Foundries (except die-casting), nonferrous metals (except aluminum)
- NAICS vintage
- 2022
- Avg employees
- 42
- Total hours worked
- 132084
- Establishment ID
- 1449568
- Employer case #
- 12
When (timing detail)
- Date of incident
- Shift started
- 6:00
- Time of incident
- 7:15
- Filing year
- 2025
- Submitted
- 30JAN26:19:37:00
Source
Data from OSHA ITA Form 300/301 electronic submissions, filing year 2025. ITA Case Detail records are establishment-reported submissions, not OSHA inspections — no per-record IMIS deep link exists.