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Sisecam Wyoming, LLC operator

Controlled by Natural Resource Partners LP; Ciner Resources LP
MSHA operator ID: L14409

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Email me when a new MSHA incident is filed at any Sisecam Wyoming, LLC mine.

Fatalities
2
Total incidents
240
Mines on record
1
Years on record
2000–2026
Compliance record
MSHA citations since 2000
1,779
citations
297
significant & substantial
$736,238
proposed penalties
$661,777
paid to date
Source: MSHA violations data, updated weekly.

Top causes

Incident timeline

2026
1
2025
3
2024
2
2023
3
2022
4
2021
4
2020
5
2019
11
2018
5
2017
5
2016
5
2015
5
2014
13
2013
7
2012
11
2011
2
2010
8
2009
18
2008
16
2007
14
2006
24
2005
11 (1f)
2004
24 (1f)
2003
9
2002
11
2001
8
2000
11

Mines on record

Fatalities under this operator

2 recorded
April 4, 2005 WY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · POWERED HAULAGE
Sisecam Wyoming, LLC · Caught in, under or between a moving and a stationary object

EE WAS ASSEMBLING CONTINUOUS MINER(CM04) IN UPPER BED REBUILD MAINTENANCE SHOP. CREW HAD JUST COMPLETED INSTALLATION OF RIGHT HAND CUTTING HEAD MOTOR. OTHER EE OPERATING EIMCO 913 #4 WAS TRAMMING BACKWARD UP NORTH SHOP ACCESS ROAD. OTHER EE TURNED EIMCO OFF TO COMMUNICATE W/SUPERVISOR, EIMCO ROLLED FORWARD, PINNING EE BETWEEN EIMCO FORKS AND CUTTING MOTOR.

February 1, 2004 WY · Metal/Non-Metal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) Fatality · MACHINERY
Sisecam Wyoming, LLC · Caught in, under or between a moving and a stationary object

WHILE BACKING OUT OF THE FIRST HALFPASS, THE VICTIM EXITED THE BOLTER COMPARTMENT AND WAS THEN PINCHED BETWEEN THE MINER TAIL AND THE RIB. ACCIDENT RESULTED IN DEATH TO THE EMPLOYEE.