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Safety Incidents OSHA Severe Injury Reports · 2015–2025

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
Avg employees
635
Total hours worked
1269888
EIN
410417775
Establishment ID
325308
Employer case #
INJ-88784

When (timing detail)

Date of incident
Shift started
7:01
Filing year
2025
Submitted
18FEB26:21:16:00

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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 — no per-record IMIS deep link exists.