Mining Incidents

Keystone Sales Yard Metal/Non-Metal

Controlled by Vulcan Materials Company
Jacksonville, Duval County, FL  ·  Intermittent
MSHA Mine ID: 0801414

Keystone Sales Yard has $269 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
2019
Latest incident
Jul 2019
Compliance record
MSHA citations since 2018
2
citations
0
significant & substantial
$269
proposed penalties
$269
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2017
16
inspections on record
124
inspection hours
n/a
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: 124 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Keystone Sales Yard has $269 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.
$269
proposed penalties
$269
current assessed
$269
paid to date
$0
outstanding
2 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-03-03.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
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
2025 Q4 476 0 0 0.0
2025 Q3 19 0 0 0.0
2025 Q2 0 0 0
2025 Q1 0 0 0
2024 Q4 0 0 0
2024 Q3 145 0 0 0.0
2024 Q2 141 0 0 0.0
2024 Q1 53 0 0 0.0
Show 27 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 412 0 0 0.0
2023 Q3 865 0 0 0.0
2023 Q2 994 0 0 0.0
2023 Q1 1,103 0 0 0.0
2022 Q4 1,710 0 0 0.0
2022 Q3 2,243 0 0 0.0
2022 Q2 2,023 0 0 0.0
2022 Q1 2,982 0 0 0.0
2021 Q4 2,040 0 0 0.0
2021 Q3 2,426 0 0 0.0
2021 Q2 2,461 0 0 0.0
2021 Q1 2,542 0 0 0.0
2020 Q4 2,428 0 0 0.0
2020 Q3 1,998 0 0 0.0
2020 Q2 2,658 0 0 0.0
2020 Q1 2,757 0 0 0.0
2019 Q4 3,031 0 0 0.0
2019 Q3 2,972 0 0 0.0
2019 Q2 3,386 0 0 0.0
2019 Q1 3,205 0 0 0.0
2018 Q4 2,544 0 0 0.0
2018 Q3 2,645 0 0 0.0
2018 Q2 2,457 0 0 0.0
2018 Q1 1,710 1 0 584.8
2017 Q4 1,040 0 0 0.0
2017 Q3 1,367 0 0 0.0
2017 Q2 585 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2019 · 1 incident

July 15, 2019 FL · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Florida Rock Industries, Inc. · Over-exertion in pulling or pushing objects

On approximately 7-15-2019, an employee felt a burning sensation in abdomen after moving an object. The employee did not wish to seek medical treatment. On 3-3-2021, after informing manager that the condition had worsened, the employee was sent to a doctor who placed the employee on work restrictions.

For insurers, brokers, and safety consultants

The full compliance file on Keystone Sales Yard

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.