Matt Duffield; Luke B Duffield; David D Duffield controller
MSHA controller ID: 0169560
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Email me when a new MSHA incident is filed at any mine Matt Duffield; Luke B Duffield; David D Duffield controls.
- Fatalities
- 0
- Total incidents
- 2
- Mines on record
- 2
- Years on record
- 2025
Compliance record
MSHA citations since 2022
132
citations
18
significant & substantial
$21,966
proposed penalties
$21,966
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2022
57
inspections on record
1,002
inspection hours
13.2
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.132 citations across 1,002 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.$22K
proposed penalties
$22K
current assessed
$22K
paid to date
$0
outstanding
119 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-04-22.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- SLIP OR FALL OF PERSON 2 non-fatal
Incident timeline
2025
2
Operators under this controller
Mines on record
For insurers, brokers, and safety consultants
The full compliance file on Matt Duffield; Luke B Duffield; David D Duffield
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.