COTTAGE GROVE, MN ·
OSHA Injury Report: Cottage Grove (Site)
Hearing loss · Other recordable case
At a glance
On , a hearing loss at Cottage Grove (Site) in 10746 INNOVATION RD, COTTAGE GROVE, MN 550164600 resulted in other recordable case. Employee was film operator.
Where did this happen?
- Establishment
- Cottage Grove (Site)
- Parent company
- 3M Company
- Street
- 10746 INNOVATION RD
- City
- COTTAGE GROVE
- State
- MN
- ZIP
- 550164600
- On-site location
- 111045 - Cott Grov Film B4
What was the outcome?
- Outcome
- Other recordable case (code 4)
- Type
- Hearing loss (code 5)
Before the incident
Film B4 operator experienced bi-lateral standard threshold shift (STS) during annual audiogram confirmed via retest. Initial test on ([REDACTED]) and retest on ([REDACTED] 14 [REDACTED]). The B4 line is a hearing conservation area. The most recent dosimetry data showed shift-long exposures between 70.4 and 82.6 dBA (3M Criteria 3 exchange rate 70 threshold.) Area noise levels in the B4 main process area are 70-80dBA in the extruder resin tower area 75-85dBA 78-86dBA in the roll shredder area and in the control room <60dBA. Employee also spends time working in C7 line which is also a hearing conservation area with the most recent noise dosimetry between 79.1-84.6dBA.
What happened
Film B4 operator experienced bi-lateral standard threshold shift (STS) during annual audiogram confirmed via retest. Initial test on ([REDACTED]) and retest on ([REDACTED] 14 [REDACTED]). The B4 line is a hearing conservation area. The most recent dosimetry data showed shift-long exposures between 70.4 and 82.6 dBA (3M Criteria 3 exchange rate 70 threshold.) Area noise levels in the B4 main process area are 70-80dBA in the extruder resin tower area 75-85dBA 78-86dBA in the roll shredder area and in the control room <60dBA. Employee also spends time working in C7 line which is also a hearing conservation area with the most recent noise dosimetry between 79.1-84.6dBA.
Injury or illness
Hearing loss with 3M Recordable STS and greater than 25 dB hearing threshold to Left; Right - Ear{s} - Internal
Object or substance involved
Continuous Noise
Summary line
Hearing loss with 3M Recordable STS and greater than 25 dB hearing threshold to Left; Right Ear{s} - Internal from Continuous Noise
Employee and industry
- Job description
- FILM OPERATOR
- SOC code
- 51-9011: Chemical Equipment Operators and Tenders
- NAICS code
- 325998
- NAICS vintage
- 2012
- Employees at this establishment (2025 average)
- 635
- Hours worked at this establishment (2025 total)
- 1,269,888
- EIN
- 410417775
- Establishment ID
- 325308
- Employer case #
- INJ-88784
When (timing detail)
- Date of incident
- Time of incident
- Not known — the employer filed this case without a time of day.
- Filing year
- 2025
- Submitted to OSHA
- 2026-02-18
More injuries at Cottage Grove (Site)
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Source
Data from OSHA ITA Form 300/301 electronic submissions, filing year 2025. ITA Case Detail records are establishment-reported submissions, not OSHA inspections, so no per-record IMIS deep link exists.
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