Stripping Crew Dept 620 has $2K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
1
Years on record
2024
Latest incident
Jan 2024
Compliance record
MSHA citations since 2017
11
citations
1
significant & substantial
$1,617
proposed penalties
$1,617
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: 168 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Stripping Crew Dept 620 has $2K in proposed MSHA penalties and $0 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.
$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
11 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2023-04-19.
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: 2024-09-10
0%
of limit-tested samples over the exposure limit
7
samples
4
limit-tested
Most sampled contaminants
Nuisance dust, total, <1% Qtz4
Respirable dust, <.1mg2
Quartz, respirable, >1% Qtz1
Show the individual readings (7)
Date
Contaminant
Concentration
Limit
Conc / limit
Occupation
2024-09-10
Nuisance dust, total, <1% Qtz
0
10
0.00
Truck Driver
2024-09-10
Respirable dust, <.1mg
0
Truck Driver
2022-09-27
Quartz, respirable, >1% Qtz
0.19
Truck Driver
2022-09-27
Respirable dust, <.1mg
0
Bulldozer Operator
2019-07-18
Nuisance dust, total, <1% Qtz
0.38
10
0.04
Bulldozer Operator
2019-07-18
Nuisance dust, total, <1% Qtz
0.18
10
0.02
Truck Driver
2019-07-18
Nuisance dust, total, <1% Qtz
0.28
10
0.03
Backhoe 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
2025
4
2024
5
2023
4
2022
4
2021
5
2020
5
2019
6
2018
6
2017
7
2016
1
Source: MSHA quarterly employment and production, updated weekly.
Stripping Crew Dept 620 sits in Clinton County, Iowa, where the Census mining category is 0.2% 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.
Clinton County, Iowa · Population 46,383
0.2%
Mining share of county employment
$65,177
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
3,630
0
0
0.0
2026 Q1
3,563
0
0
0.0
2025 Q4
3,018
0
0
0.0
2025 Q3
3,224
0
0
0.0
2025 Q2
3,770
0
0
0.0
2025 Q1
3,459
0
0
0.0
2024 Q4
4,100
0
0
0.0
2024 Q3
3,766
0
0
0.0
Show 31 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2024 Q2
3,315
0
0
0.0
2024 Q1
3,892
0
0
0.0
2023 Q4
3,379
0
0
0.0
2023 Q3
3,479
0
0
0.0
2023 Q2
3,145
1
0
318.0
2023 Q1
3,823
0
0
0.0
2022 Q4
2,979
0
0
0.0
2022 Q3
3,083
0
0
0.0
2022 Q2
3,034
0
0
0.0
2022 Q1
2,556
0
0
0.0
2021 Q4
3,567
0
0
0.0
2021 Q3
3,799
0
0
0.0
2021 Q2
4,458
4
0
897.3
2021 Q1
3,385
1
0
295.4
2020 Q4
3,639
0
0
0.0
2020 Q3
4,983
0
0
0.0
2020 Q2
4,086
1
0
244.7
2020 Q1
5,493
0
0
0.0
2019 Q4
3,700
0
0
0.0
2019 Q3
3,939
0
0
0.0
2019 Q2
4,054
0
0
0.0
2019 Q1
6,146
3
0
488.1
2018 Q4
4,159
0
0
0.0
2018 Q3
4,364
0
0
0.0
2018 Q2
4,105
0
0
0.0
2018 Q1
5,625
0
0
0.0
2017 Q4
3,805
1
1
262.8
2017 Q3
4,713
0
0
0.0
2017 Q2
3,912
0
0
0.0
2017 Q1
4,215
0
0
0.0
2016 Q4
35
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
1 on file
2024 · 1 incident
January 5, 2024IA · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techSTEPPING OR KNEELING ON OBJECT