Gerken Materials Inc operator
Controlled by
Brent Gerken; Michael J Gerken
MSHA operator ID: 0088664
- Fatalities
- 0
- Total incidents
- 21
- Mines on record
- 6
- Years on record
- 2008–2026
Compliance record
MSHA citations since 2008
157
citations
32
significant & substantial
$24,181
proposed penalties
$24,181
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2008
174
inspections on record
2,405
inspection hours
6.5
citations per 100 inspection hours
ⓘ
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.157 citations across 2,405 inspection hours.
Source: MSHA inspections data, updated weekly.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.$24K
proposed penalties
$24K
current assessed
$24K
paid to date
$0
outstanding
152 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2026-04-14.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- SLIP OR FALL OF PERSON 8 non-fatal
- HANDLING OF MATERIALS 7 non-fatal
- HANDTOOLS (NONPOWERED) 2 non-fatal
- DISORDERS (PHYSICAL AGENTS) 1 non-fatal
- FIRE 1 non-fatal
- MACHINERY 1 non-fatal
Incident timeline
2026
2
2025
1
2024
2
2020
1
2019
4
2017
1
2014
2
2013
3
2012
1
2011
3
2008
1
Mines on record
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For insurers, brokers, and safety consultants
The full compliance file on Gerken Materials Inc
A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.