Mining Incidents

ACG Holdco LLC: 242 MSHA citations controller

MSHA controller ID: 0158901

ACG Holdco LLC has had no fatalities among 28 reportable incidents since 2020. MSHA has proposed $93K in penalties since 2020.

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Fatalities
0
Total incidents
28
Mines on record
6
Years on record
2020–2024
Compliance record
MSHA citations since 2020
242
citations
95
significant & substantial
$93,082
proposed penalties
$93,082
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2020
129
inspections on record
4,359
inspection hours
5.6
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.
242 citations across 4,359 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.
$93K
proposed penalties
$93K
current assessed
$93K
paid to date
$0
outstanding
242 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2024-06-24.
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.
39.3%
significant & substantial
2.1%
high negligence or reckless
39.3%
reasonably likely or greater
26.9%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 20.2% low, 77.7% moderate, 2.1% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
Injury rate, 2024
ⓘ 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 and are withheld below 20,000 hours in a year. Employment reports reach back to 1983, but those earlier years come from MSHA's archived file format and are not used in rates.
4.03
total case rate
3.02
days-away rate
0.000
fatality rate
Above average. The US coal mining average was 3.16 and the all-US-mining average was 2.08 cases per 100 workers.
Year total case rate days-away fatal
2024 4.03 3.02 0.000
2023 4.68 3.12 0.000
2022 2.84 2.27 0.000
2021 3.06 1.84 0.000
2020 6.36 5.09 0.000
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.
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.

Respirable coal dust
ⓘ Respirable coal dust and silica figures cover coal facilities. Dust compliance is measured against the current 1.5 mg/m3 standard; samples predating the 2014 standard are included, so compliance rates are a coarse historical signal.

Last sampled: 2024-06-24
93%
within 1.5 mg/m3
489
samples
4.32
dust max (mg/m3)
26
over MSHA ECV
ⓘ The excessive concentration value (ECV) is MSHA's own per-sample enforcement threshold, which builds in measurement uncertainty; a sample over its ECV can trigger a citation. The count covers only samples MSHA assigned an ECV.
238 samples taken by MSHA inspectors, 251 by the operator.
Most-sampled occupations
  • HIGHWALL DRILL OPERATOR115
  • BULLDOZER OPERATOR112
  • UTILITY MAN52

Silica (quartz)

Last sampled: 2024-04-24
4.0
silica avg (%)
86
samples
38.5
silica max (%)
Most-sampled occupations
  • BULLDOZER OPERATOR20
  • HIGHWALL DRILL OPERATOR20
  • LABORER/BLACKSMITH12

Noise
ⓘ The share counts noise samples whose measured dose exceeded the 90 dBA permissible exposure limit. It describes the sampled workplace, not what reached the miner's ear: hearing conservation programs and the hearing protection worn during the shift are recorded separately and are not reflected here.

Last sampled: 2024-05-08
10%
over PEL
172
samples
Most-sampled occupations
  • LABORER/BLACKSMITH29
  • BULLDOZER OPERATOR20
  • HIGHLIFT OPERATOR/FRONT END LOADER20
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly.

Top causes

Incident timeline

2024
4
2023
9
2022
5
2021
5
2020
5

Operators under this controller

Mines on record

For insurers, brokers, and safety consultants

Where ACG Holdco LLC stands on silica, penalties, and injury rate

MSHA's standard limits respirable silica to 50 micrograms per cubic metre, but MSHA publishes dust and quartz as separate files and never the silica figure itself. We derive it per sample, score it against the limit, and set the operator's injury rate against a benchmark built from the full MSHA operator record. With the 26-year penalty trail, contest posture, and fatality history. Delivered as a PDF with the underlying data as CSV.

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