Portable #2 Plant 1400 has $7K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
6
Years on record
2016–2025
Latest incident
Oct 2025
Compliance record
MSHA citations since 2006
49
citations
9
significant & substantial
$7,227
proposed penalties
$7,227
paid to date
100% of proposed penalties paid to date, a $0 gap.
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.
Rate withheld: 515 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Portable #2 Plant 1400 has $7K in proposed MSHA penalties and $0 outstanding across 1 contested dockets.
Penalty disposition
ⓘDifferences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$7K
proposed penalties
$7K
current assessed
$7K
paid to date
$0
outstanding
47 assessments are final orders; 1 contested dockets.
Of $200 in penalties contested before the Commission, $200 was upheld in final decisions.
As of the most recent assessment on 2026-06-01.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
ⓘShares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
Source: MSHA violations gravity and negligence coding, updated weekly.
When citations were contested
ⓘContesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.
2citations taken to the federal commission · 4% of citations on record
Settled
2 · 100%
0%
Penalty reduction in decided contests
$200 proposed, $200 after decisions · industry: 39%
Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2008-11-06.
Contested penalties
ⓘA reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.
Largest penalties this mine contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
Health sampling
ⓘA sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.
Metal and nonmetal contaminants (personal samples)
ⓘMany samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.
Last sampled: 2025-05-14
0%
of limit-tested samples over the exposure limit
17
samples
8
limit-tested
Most sampled contaminants
Quartz, respirable, >1% Qtz8
Respirable dust, <.1mg6
Nuisance dust, respirable, <1% Qtz3
Show the individual readings (17)
Date
Contaminant
Concentration
Limit
Conc / limit
Occupation
2025-05-14
Quartz, respirable, >1% Qtz
0.21
Truck Driver
2025-05-14
Quartz, respirable, >1% Qtz
0.13
Front-end Loader Operator
2025-05-14
Respirable dust, <.1mg
0
Front-end Loader Operator
2025-05-14
Quartz, respirable, >1% Qtz
0.56
1.82
0.31
Laborer, Bullgang
2022-06-14
Quartz, respirable, >1% Qtz
0.19
Laborer, Bullgang
2022-06-14
Nuisance dust, respirable, <1% Qtz
0.14
10
0.01
Front-end Loader Operator
2022-06-14
Quartz, respirable, >1% Qtz
1.09
1.67
0.65
Truck Driver
2022-06-14
Respirable dust, <.1mg
0
Front-end Loader Operator
2020-06-30
Respirable dust, <.1mg
0
Front-end Loader Operator
2020-06-30
Quartz, respirable, >1% Qtz
2.13
2.5
0.85
Laborer, Bullgang
2020-06-30
Nuisance dust, respirable, <1% Qtz
0.17
10
0.02
Truck Driver
2020-06-30
Respirable dust, <.1mg
0
Front-end Loader Operator
2013-06-26
Quartz, respirable, >1% Qtz
1.05
1.5
0.70
Laborer, Bullgang
2013-06-26
Respirable dust, <.1mg
0
Front-end Loader Operator
2013-06-26
Respirable dust, <.1mg
0
Front-end Loader Operator
2009-08-31
Nuisance dust, respirable, <1% Qtz
0.19
10
0.02
Front-end Loader Operator
2009-08-31
Quartz, respirable, >1% Qtz
0.3
2.5
0.12
Crusher Oper/Worker
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.
Portable #2 Plant 1400 recorded 6.77 reportable injury cases per 100 full-time workers in 2025.
Injury rate, 2025
ⓘThis rate is reportable injury cases per 100 full-time-equivalent workers per year, computed as 200,000 times cases divided by MSHA operator-reported employee-hours. Cases are injuries MSHA graded degree 01 through 07; accident-only events that hurt no one are excluded, and so are contractor injuries, whose hours do not attach to a single mine. Rates begin in 2000, when quarterly employment reporting starts, and are withheld below 20,000 hours in a year.
6.77
total case rate
0.00
days-away rate
0.000
fatality rate
Above average. The US metal and nonmetal mining average was 1.65 and the all-US-mining average was 1.97 cases per 100 workers.
In Oklahoma, metal and nonmetal mining averaged 1.92 cases per 100 workers that year.
Under 100,000 employee-hours were reported that year, so a single case moves the rate by two or more. Read the figure as approximate.
Year
total case rate
days-away
fatal
2025 *
6.77
0.00
0.000
2024 *
6.50
0.00
0.000
2023 *
8.30
0.00
0.000
2022 *
0.00
0.00
0.000
2021 *
0.00
0.00
0.000
2020 *
0.00
0.00
0.000
* Fewer than 100,000 employee-hours that year; the rate is less stable.
Source: injury cases from MSHA accident and injury records; employee-hours from MSHA quarterly employment reports. Rate is cases per 100 full-time-equivalent workers, operator employees only.
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year
Employees
2026
10
2025
12
2024
11
2023
8
2022
10
2021
10
2020
10
2019
8
2018
8
2017
7
2016
7
2015
7
2014
7
2013
7
2012
4
2011
3
2010
5
2009
7
2008
11
2007
4
2006
13
Source: MSHA quarterly employment and production, updated weekly.
Portable #2 Plant 1400 sits in Washington County, Oklahoma, where the Census mining category is 4.2% of county employment.
Local economic context
ⓘCounty figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Washington County, Oklahoma · Population 52,895
4.2%
Mining share of county employment
$61,205
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
Quarterly safety rates
ⓘCitations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2026 Q2
6,974
2
0
286.8
2026 Q1
6,380
2
0
313.5
2025 Q4
5,660
0
0
0.0
2025 Q3
6,862
0
0
0.0
2025 Q2
8,377
1
1
119.4
2025 Q1
8,648
3
2
346.9
2024 Q4
9,337
0
0
0.0
2024 Q3
8,617
0
0
0.0
Show 74 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2024 Q2
6,655
0
0
0.0
2024 Q1
6,140
1
0
162.9
2023 Q4
6,240
0
0
0.0
2023 Q3
6,379
2
0
313.5
2023 Q2
6,013
0
0
0.0
2023 Q1
5,455
0
0
0.0
2022 Q4
5,602
1
0
178.5
2022 Q3
6,840
0
0
0.0
2022 Q2
6,643
1
0
150.5
2022 Q1
5,957
0
0
0.0
2021 Q4
6,518
0
0
0.0
2021 Q3
6,348
0
0
0.0
2021 Q2
6,590
0
0
0.0
2021 Q1
6,205
1
0
161.2
2020 Q4
5,539
0
0
0.0
2020 Q3
6,252
0
0
0.0
2020 Q2
6,080
1
0
164.5
2020 Q1
5,761
0
0
0.0
2019 Q4
5,261
0
0
0.0
2019 Q3
5,055
0
0
0.0
2019 Q2
5,083
0
0
0.0
2019 Q1
3,861
3
1
777.0
2018 Q4
4,547
0
0
0.0
2018 Q3
4,220
2
1
473.9
2018 Q2
4,515
0
0
0.0
2018 Q1
4,273
0
0
0.0
2017 Q4
3,440
0
0
0.0
2017 Q3
2,486
0
0
0.0
2017 Q2
3,604
0
0
0.0
2017 Q1
3,382
0
0
0.0
2016 Q4
3,506
1
1
285.2
2016 Q3
2,661
1
0
375.8
2016 Q2
3,763
0
0
0.0
2016 Q1
3,013
0
0
0.0
2015 Q4
1,980
0
0
0.0
2015 Q3
1,657
0
0
0.0
2015 Q2
2,432
0
0
0.0
2015 Q1
3,339
1
0
299.5
2014 Q4
4,280
0
0
0.0
2014 Q3
1,967
0
0
0.0
2014 Q2
2,651
0
0
0.0
2014 Q1
1,759
0
0
0.0
2013 Q4
1,942
5
1
2574.7
2013 Q3
2,697
0
0
0.0
2013 Q2
2,791
1
0
358.3
2013 Q1
4,925
0
0
0.0
2012 Q4
2,184
3
0
1373.6
2012 Q3
3,597
1
0
278.0
2012 Q2
3,423
0
0
0.0
2012 Q1
2,882
0
0
0.0
2011 Q4
2,698
2
1
741.3
2011 Q3
2,161
0
0
0.0
2011 Q2
2,836
1
0
352.6
2011 Q1
0
0
0
2010 Q4
0
0
0
2010 Q3
1,426
0
0
0.0
2010 Q2
2,451
0
0
0.0
2010 Q1
2,407
0
0
0.0
2009 Q4
1,264
0
0
0.0
2009 Q3
452
0
0
0.0
2009 Q2
900
0
0
0.0
2009 Q1
710
0
0
0.0
2008 Q4
790
0
0
0.0
2008 Q3
1,976
3
0
1518.2
2008 Q2
920
0
0
0.0
2008 Q1
834
0
0
0.0
2007 Q4
1,557
0
0
0.0
2007 Q3
358
0
0
0.0
2007 Q2
0
0
0
2007 Q1
0
0
0
2006 Q4
1,975
4
0
2025.3
2006 Q3
2,467
1
0
405.4
2006 Q2
3,540
0
0
0.0
2006 Q1
1,877
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
6 on file
2025 · 2 incidents
October 9, 2025OK · Metal/Non-Metalledgeman/hand, quarry manMACHINERY
Two employees were performing maintenance on a conveyor belt. One employee was on top of the conveyor removing a flexco while the other began drilling a punch hole. During this process, the drill made contact with the first employee, causing a laceration to their right middle finger.
September 8, 2025OK · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanHANDLING OF MATERIALS
Employee was breaking a bolt lose on the crusher when it broke free causing EE to lose balance. EE fell backwards and attempted to catch self, causing EE to strain right wrist. Over the course of the day, it become sore. Diagnosed with a sprain but did not improve. Referred for an MRI and results reviewed on 03/19/24 showing a scaphoid fracture.
Employee was cutting lagging material to go around the main crusher. EE was using a box knife to open a hole for a bolt when the knife slipped cutting EE's right thumb.
2019 · 1 incident
September 3, 2019OK · Metal/Non-Metalfront-end loader, scraper-loader operator, pan operator, payloader, scraper rig operatorMACHINERY
While performing maintenance on the primary crusher with the hood open the employee received an FBE in left eye. The employee did not report the incident until 9/4/2019 resulting in the FBE being embedded in the eye. The employee was wearing safety glasses and a face shield while grinding.
2016 · 1 incident
September 19, 2016OK · Metal/Non-Metalwelder (non-shop)DISORDERS (PHYSICAL AGENTS)
Employee was performing maintenance on the primary crusher. The employee was cutting a steel plate with a gouging rod. The employee started to feel ill and progressively got worse. The physician treated the employee for heat stress. The temperature was in the 90's with a heat index of 106 degrees.