Slippery Rock Materials Inc operator
Controlled by
David P Hoobler
MSHA operator ID: L14150
- Fatalities
- 0
- Total incidents
- 29
- Mines on record
- 1
- Years on record
- 1997–2024
Compliance record
MSHA citations since 2000
136
citations
19
significant & substantial
$37,793
proposed penalties
$18,973
paid to date
50% of proposed penalties paid to date, a $18,820 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
60
inspections on record
1,048
inspection hours
13.0
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.136 citations across 1,048 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.$38K
proposed penalties
$19K
current assessed
$19K
paid to date
$0
outstanding
136 assessments are final orders; 3 contested dockets.
As of the most recent assessment on 2025-10-14.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 12 non-fatal
- HANDTOOLS (NONPOWERED) 6 non-fatal
- MACHINERY 4 non-fatal
- SLIP OR FALL OF PERSON 4 non-fatal
- POWERED HAULAGE 2 non-fatal
- STEPPING OR KNEELING ON OBJECT 1 non-fatal
Incident timeline
2024
2
2022
1
2017
1
2014
2
2013
2
2012
1
2010
1
2008
1
2007
1
2005
4
2004
1
2002
3
2001
1
2000
2
1999
3
1998
1
1997
2
Mines on record
- Cress Pit PA
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The full compliance file on Slippery Rock 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.