Simpson Materials Company, LLC operator
Controlled by
Mark T Simpson; Michael G Simpson
MSHA operator ID: L17413
- Fatalities
- 0
- Total incidents
- 31
- Mines on record
- 3
- Years on record
- 1991–2022
Compliance record
MSHA citations since 2000
316
citations
70
significant & substantial
$69,711
proposed penalties
$69,710
paid to date
100% of proposed penalties paid to date, a $1 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
135
inspections on record
2,167
inspection hours
14.6
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.316 citations across 2,167 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.$70K
proposed penalties
$70K
current assessed
$70K
paid to date
$1
outstanding
313 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2023-06-07.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 10 non-fatal
- SLIP OR FALL OF PERSON 7 non-fatal
- HANDTOOLS (NONPOWERED) 5 non-fatal
- MACHINERY 5 non-fatal
- OTHER 2 non-fatal
- POWERED HAULAGE 2 non-fatal
Incident timeline
2022
1
2021
2
2019
1
2018
1
2016
1
2015
5
2012
2
2010
1
2009
1
2008
2
2007
2
2000
1
1994
1
1993
4
1992
2
1991
4
Mines on record
- Barnhart Quarry MO
- Ranken Location MO
- South Plant MO
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The full compliance file on Simpson Materials Company, LLC
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.