Woburn Pit Metal/Non-Metal
Onyx Corporation
· Surface
Controlled by
John D Durkin
Woburn,
Middlesex County,
MA
·
Abandoned
MSHA Mine ID: 1901283
Woburn Pit has $4K in proposed MSHA penalties and $59 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 2019
15
citations
3
significant & substantial
$4,406
proposed penalties
$4,347
paid to date
99% of proposed penalties paid to date, a $59 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2019
11
inspections on record
204
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: 204 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Woburn Pit has $4K in proposed MSHA penalties and $59 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.$4K
proposed penalties
$4K
current assessed
$4K
paid to date
$59
outstanding
15 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2022-02-01.
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 |
|---|---|---|---|---|
| 2021 Q4 | 3,050 | 0 | 0 | 0.0 |
| 2021 Q3 | 3,109 | 3 | 0 | 964.9 |
| 2021 Q2 | 3,252 | 0 | 0 | 0.0 |
| 2021 Q1 | 3,240 | 3 | 0 | 925.9 |
| 2020 Q4 | 3,210 | 0 | 0 | 0.0 |
| 2020 Q3 | 2,845 | 0 | 0 | 0.0 |
| 2020 Q2 | 3,964 | 1 | 1 | 252.3 |
| 2020 Q1 | 3,861 | 3 | 1 | 777.0 |
Show 3 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2019 Q4 | 4,739 | 0 | 0 | 0.0 |
| 2019 Q3 | 3,787 | 0 | 0 | 0.0 |
| 2019 Q2 | 3,490 | 4 | 1 | 1146.1 |
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 Woburn Pit
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.