Materion Natural Resources operator
Controlled by
Materion Corporation
MSHA operator ID: L18471
- Fatalities
- 0
- Total incidents
- 116
- Mines on record
- 1
- Years on record
- 1985–2026
Compliance record
MSHA citations since 2000
139
citations
15
significant & substantial
$23,144
proposed penalties
$23,144
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
77
inspections on record
3,136
inspection hours
4.4
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.139 citations across 3,136 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.$23K
proposed penalties
$23K
current assessed
$23K
paid to date
$0
outstanding
134 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2026-03-09.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 39 non-fatal
- HANDTOOLS (NONPOWERED) 23 non-fatal
- SLIP OR FALL OF PERSON 20 non-fatal
- MACHINERY 14 non-fatal
- DISORDERS (REPEATED TRAUMA) 6 non-fatal
- DUST DISEASE OF LUNGS 5 non-fatal
Incident timeline
2026
1
2024
3
2022
1
2021
2
2020
2
2018
2
2016
1
2015
4
2014
2
2013
2
2012
4
2011
5
2009
1
2008
1
2007
4
2006
4
2005
1
2003
2
2002
3
2001
3
2000
2
1999
4
1998
4
1997
10
1996
6
1995
5
1994
7
1993
6
1992
7
1991
8
1990
1
1989
1
1988
3
1985
4
Mines on record
Watch this operator
Email me when a new MSHA incident is filed at any Materion Natural Resources mine.
For insurers, brokers, and safety consultants
The full compliance file on Materion Natural Resources
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.