129th St. Plant #14 has $8K in proposed MSHA penalties and $151 outstanding across 0 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
8
Years on record
2006–2018
Latest incident
Dec 2018
Compliance record
MSHA citations since 2003
58
citations
9
significant & substantial
$7,526
proposed penalties
$7,375
paid to date
98% of proposed penalties paid to date, a $151 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: 570 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
129th St. Plant #14 has $8K in proposed MSHA penalties and $151 outstanding across 0 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.
$8K
proposed penalties
$8K
current assessed
$7K
paid to date
$151
outstanding
57 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-05-28.
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.
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: 2021-05-19, 5 years ago
0%
of limit-tested samples over the exposure limit
11
samples
1
limit-tested
Most sampled contaminants
Respirable dust, <.1mg7
Unlisted Particulate, respirable, <1% Qtz3
Quartz, respirable, >1% Qtz1
Show the individual readings (11)
Date
Contaminant
Concentration
Limit
Conc / limit
Occupation
2021-05-19
Respirable dust, <.1mg
0
Washer Operator
2021-05-19
Respirable dust, <.1mg
0
Front-end Loader Operator
2019-07-09
Respirable dust, <.1mg
0
Sampler, Dust
2018-05-16
Respirable dust, <.1mg
0
Laborer, Bullgang
2018-05-16
Respirable dust, <.1mg
0
Dredge/Barge Operator
2011-09-14
Unlisted Particulate, respirable, <1% Qtz
0.14
Laborer, Bullgang
2011-09-14
Respirable dust, <.1mg
0
Front-end Loader Operator
2011-09-14
Quartz, respirable, >1% Qtz
0.17
0.76
0.22
Laborer, Bullgang
2010-06-15
Unlisted Particulate, respirable, <1% Qtz
0.48
Front-end Loader Operator
2009-09-10
Unlisted Particulate, respirable, <1% Qtz
0.48
Front-end Loader Operator
2009-09-10
Respirable dust, <.1mg
0
Dredge/Barge Operator
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.
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year
Employees
2026
4
2024
2
2023
2
2022
1
2021
7
2020
8
2019
9
2018
9
2017
9
2016
8
2015
8
2014
8
2013
9
2012
8
2011
8
2010
5
2009
5
2008
7
2007
7
2006
6
2005
5
2004
5
2003
5
2002
4
Source: MSHA quarterly employment and production, updated weekly.
129th St. Plant #14 sits in Tulsa County, Oklahoma, where the Census mining category is 1.3% 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.
Tulsa County, Oklahoma · Population 673,708
1.3%
Mining share of county employment
$67,317
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
2,974
1
0
336.2
2026 Q1
321
3
0
9345.8
2024 Q4
0
1
0
2024 Q3
129
0
0
0.0
2024 Q2
1,150
0
0
0.0
2024 Q1
2,109
2
0
948.3
2023 Q4
638
0
0
0.0
2023 Q3
1,207
0
0
0.0
Show 85 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2023 Q2
1,661
0
0
0.0
2023 Q1
754
0
0
0.0
2022 Q4
646
0
0
0.0
2022 Q3
948
1
0
1054.9
2022 Q2
527
0
0
0.0
2022 Q1
0
0
0
2021 Q4
2,571
1
0
389.0
2021 Q3
3,909
0
0
0.0
2021 Q2
4,721
0
0
0.0
2021 Q1
4,519
0
0
0.0
2020 Q4
4,417
1
0
226.4
2020 Q3
3,658
0
0
0.0
2020 Q2
3,270
0
0
0.0
2020 Q1
4,610
0
0
0.0
2019 Q4
6,758
1
0
148.0
2019 Q3
1,901
3
0
1578.1
2019 Q2
4,326
0
0
0.0
2019 Q1
2,181
0
0
0.0
2018 Q4
2,125
3
1
1411.8
2018 Q3
4,507
0
0
0.0
2018 Q2
5,580
1
0
179.2
2018 Q1
5,528
1
1
180.9
2017 Q4
5,127
0
0
0.0
2017 Q3
5,010
0
0
0.0
2017 Q2
4,445
2
0
449.9
2017 Q1
3,485
0
0
0.0
2016 Q4
3,644
0
0
0.0
2016 Q3
4,211
0
0
0.0
2016 Q2
4,280
1
0
233.6
2016 Q1
4,065
0
0
0.0
2015 Q4
3,660
0
0
0.0
2015 Q3
4,282
0
0
0.0
2015 Q2
4,275
1
1
233.9
2015 Q1
4,348
0
0
0.0
2014 Q4
4,293
3
0
698.8
2014 Q3
5,084
1
0
196.7
2014 Q2
4,883
0
0
0.0
2014 Q1
4,495
2
0
444.9
2013 Q4
4,609
0
0
0.0
2013 Q3
4,600
0
0
0.0
2013 Q2
4,445
1
0
225.0
2013 Q1
4,657
0
0
0.0
2012 Q4
4,535
1
0
220.5
2012 Q3
2,737
4
0
1461.5
2012 Q2
4,877
0
0
0.0
2012 Q1
4,059
0
0
0.0
2011 Q4
4,150
0
0
0.0
2011 Q3
4,047
0
0
0.0
2011 Q2
2,534
3
2
1183.9
2011 Q1
5,018
0
0
0.0
2010 Q4
2,378
1
0
420.5
2010 Q3
2,191
0
0
0.0
2010 Q2
2,800
2
1
714.3
2009 Q4
1,497
1
0
668.0
2009 Q3
3,261
0
0
0.0
2009 Q2
3,129
0
0
0.0
2009 Q1
2,928
2
0
683.1
2008 Q4
4,146
0
0
0.0
2008 Q3
4,290
0
0
0.0
2008 Q2
3,314
3
0
905.3
2008 Q1
4,247
0
0
0.0
2007 Q4
3,371
1
0
296.6
2007 Q3
4,360
0
0
0.0
2007 Q2
5,383
0
0
0.0
2007 Q1
4,667
0
0
0.0
2006 Q4
4,390
0
0
0.0
2006 Q3
4,901
0
0
0.0
2006 Q2
4,217
0
0
0.0
2006 Q1
4,511
2
0
443.4
2005 Q4
4,155
0
0
0.0
2005 Q3
4,258
0
0
0.0
2005 Q2
3,962
1
0
252.4
2005 Q1
2,346
0
0
0.0
2004 Q4
2,583
0
0
0.0
2004 Q3
3,082
0
0
0.0
2004 Q2
3,120
0
0
0.0
2004 Q1
3,024
0
0
0.0
2003 Q4
2,976
3
2
1008.1
2003 Q3
3,120
0
0
0.0
2003 Q2
3,072
0
0
0.0
2003 Q1
3,072
0
0
0.0
2002 Q4
2,898
0
0
0.0
2002 Q3
2,470
0
0
0.0
2002 Q2
1,768
0
0
0.0
2002 Q1
1,512
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
8 on file
2018 · 1 incident
December 18, 2018OK · Metal/Non-Metalbarge/boat/dredge/towbarge/towboat/leach operator, riverman, deck handHANDLING OF MATERIALS
Holliday Sand & Gravel · Absorption of radiations, caustics, toxic and noxious substances
Dredge operator, checking the fuel level on the dredge deck, dropped the fuel cap in the containment when installing the fuel cap. Droplets of diesel fuel splashed into their right eye.
2017 · 1 incident
February 6, 2017OK · Metal/Non-Metaloutside foreman, leadmanOTHER
Employee was working on the tipple lining the belly of the shaker plant. Employee was welding and had employee's welding hood on when sand or metal blew under employee's hood contacting employee's eye. Monday was a very windy day.
2016 · 1 incident
December 2, 2016OK · Metal/Non-Metalfront-end loader, scraper-loader operator, pan operator, payloader, scraper rig operatorSLIP OR FALL OF PERSON
September 28, 2010OK · Metal/Non-Metalhaul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driverSLIP OR FALL OF PERSON
Truck driver for Twin Cities Trucking tripped on sprinkler head.
July 7, 2010OK · Metal/Non-Metalfront-end loader, scraper-loader operator, pan operator, payloader, scraper rig operatorOTHER
Holliday Sand & Gravel · Absorption of radiations, caustics, toxic and noxious substances
Employee was bitten by an undetermined type of spider while operating the front end loader, loading trucks. Employee was bitten on the lower right shoulder area. Resulting in a severe bite, and all over body rash.
2008 · 1 incident
December 17, 2008OK · Metal/Non-Metalbarge/boat/dredge/towbarge/towboat/leach operator, riverman, deck handHANDLING OF MATERIALS
Employee was trying to open the gate to the plant. It was frozen to the ground, and as he pushed hard on the gate, he pulled his lower back.
2006 · 1 incident
December 28, 2006OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS