Keystone Lime Company Inc operator
Controlled by
Mark Folk
MSHA operator ID: L01108
- Fatalities
- 0
- Total incidents
- 44
- Mines on record
- 7
- Years on record
- 1987–2025
Compliance record
MSHA citations since 2000
362
citations
75
significant & substantial
$69,948
proposed penalties
$63,312
paid to date
91% of proposed penalties paid to date, a $6,636 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
273
inspections on record
6,969
inspection hours
5.2
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.362 citations across 6,969 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
$63K
current assessed
$63K
paid to date
$0
outstanding
356 assessments are final orders; 15 contested dockets.
As of the most recent assessment on 2025-08-08.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 15 non-fatal
- SLIP OR FALL OF PERSON 12 non-fatal
- MACHINERY 7 non-fatal
- HANDTOOLS (NONPOWERED) 4 non-fatal
- POWERED HAULAGE 3 non-fatal
- DISORDERS (REPEATED TRAUMA) 2 non-fatal
Incident timeline
2025
1
2023
4
2022
1
2021
1
2020
1
2018
1
2016
2
2015
3
2013
1
2012
1
2011
2
2010
2
2008
2
2006
2
2005
3
2004
1
2002
1
2001
1
2000
1
1998
1
1997
1
1996
1
1995
1
1994
2
1993
2
1992
2
1991
2
1987
1
Mines on record
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The full compliance file on Keystone Lime Company 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.