San Tan Plant Metal/Non-Metal
Vulcan Asphalt LLC
· Surface
Controlled by
Vulcan Materials Company
San Tan,
Pinal County,
AZ
·
Intermittent
MSHA Mine ID: 0203380
San Tan Plant has $515 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
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2018
4
citations
0
significant & substantial
$515
proposed penalties
$515
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
13
inspections on record
109
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: 109 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
San Tan Plant has $515 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.$515
proposed penalties
$515
current assessed
$515
paid to date
$0
outstanding
4 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-11-06.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
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 | 544 | 1 | 0 | 1838.2 |
| 2025 Q3 | 534 | 0 | 0 | 0.0 |
| 2025 Q2 | 309 | 0 | 0 | 0.0 |
| 2025 Q1 | 418 | 0 | 0 | 0.0 |
| 2024 Q4 | 181 | 0 | 0 | 0.0 |
| 2024 Q3 | 249 | 0 | 0 | 0.0 |
| 2024 Q2 | 528 | 0 | 0 | 0.0 |
| 2024 Q1 | 596 | 0 | 0 | 0.0 |
Show 27 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 576 | 0 | 0 | 0.0 |
| 2023 Q3 | 1,190 | 0 | 0 | 0.0 |
| 2023 Q2 | 1,015 | 0 | 0 | 0.0 |
| 2023 Q1 | 565 | 0 | 0 | 0.0 |
| 2022 Q4 | 213 | 0 | 0 | 0.0 |
| 2022 Q3 | 258 | 0 | 0 | 0.0 |
| 2022 Q2 | 51 | 0 | 0 | 0.0 |
| 2022 Q1 | 281 | 0 | 0 | 0.0 |
| 2021 Q4 | 90 | 0 | 0 | 0.0 |
| 2021 Q3 | 267 | 1 | 0 | 3745.3 |
| 2021 Q2 | 363 | 0 | 0 | 0.0 |
| 2021 Q1 | 703 | 0 | 0 | 0.0 |
| 2020 Q4 | 829 | 0 | 0 | 0.0 |
| 2020 Q3 | 691 | 0 | 0 | 0.0 |
| 2020 Q2 | 615 | 0 | 0 | 0.0 |
| 2020 Q1 | 428 | 0 | 0 | 0.0 |
| 2019 Q4 | 835 | 0 | 0 | 0.0 |
| 2019 Q3 | 878 | 0 | 0 | 0.0 |
| 2019 Q2 | 593 | 1 | 0 | 1686.3 |
| 2019 Q1 | 863 | 0 | 0 | 0.0 |
| 2018 Q4 | 580 | 0 | 0 | 0.0 |
| 2018 Q3 | 492 | 0 | 0 | 0.0 |
| 2018 Q2 | 422 | 0 | 0 | 0.0 |
| 2018 Q1 | 288 | 1 | 0 | 3472.2 |
| 2017 Q4 | 83 | 0 | 0 | 0.0 |
| 2017 Q3 | 47 | 0 | 0 | 0.0 |
| 2017 Q2 | 58 | 0 | 0 | 0.0 |
No reportable incidents on file.
MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.
For insurers, brokers, and safety consultants
The full compliance file on San Tan Plant
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.