88% of proposed penalties paid to date, a $29,327 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2007
598
inspections on record
10,593
inspection hours
7.9
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.
837 citations across 10,593 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.
$249K
proposed penalties
$222K
current assessed
$220K
paid to date
$2K
outstanding
813 assessments are final orders; 47 contested dockets.
As of the most recent assessment on 2026-05-06.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Martin Marietta Materials Southwest, LLC · Caught in, under or between a moving and a stationary object
Customer truck driver pulled into tarping area behind another truck and failed to set parking brake before exiting the truck. The driver did not use wheel chocks as required. The customer truck driver was fatally injured when customer's truck moved forward and pinned customer truck driver against the other drivers truck.
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