What are Mark T Thorson's MSHA penalties?

Mark T Thorson has $275K in proposed MSHA penalties on record, $239K paid, and $0 outstanding.

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Mark T Thorson controller

MSHA controller ID: M11588

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Fatalities: 1
Total incidents: 12
Mines on record: 6
Years on record: 1999–2018

Compliance record

MSHA citations since 2000

739

citations

269

significant & substantial

$275,036

proposed penalties

$239,338

paid to date

87% of proposed penalties paid to date, a $35,698 gap.

Source: MSHA violations data, updated weekly.

Inspection activity

MSHA inspections since 2000

321

inspections on record

3,731

inspection hours

19.8

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.

739 citations across 3,731 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.

$275K

proposed penalties

$239K

current assessed

$239K

paid to date

outstanding

729 assessments are final orders; 8 contested dockets.

As of the most recent assessment on 2025-10-14.

Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

ELECTRICAL 1 fatality · 1 non-fatal
SLIP OR FALL OF PERSON 4 non-fatal
MACHINERY 2 non-fatal
DISORDERS (REPEATED TRAUMA) 1 non-fatal
HANDLING OF MATERIALS 1 non-fatal
OTHER 1 non-fatal

Incident timeline

2018

2009

2007

2003

2002

2000

1 (1f)

1999

Operators under this controller

Mines on record

Fatalities under this controller

1 recorded

August 30, 2000 MN · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer Fatality · ELECTRICAL

Mark Sand & Gravel Acquisition Company · Contact with electrical current

WHILE CUTTING WITH ARCH WELDER, INDIVIDUAL WAS ELECTROCUTED.

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The full compliance file on Mark T Thorson

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.

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