Plumbago Mine: 23 MSHA citations Metal/Non-Metal
Original Sixteen to One Mine, Inc.
· Underground
Controlled by
Michael M Miller
MSHA Mine ID: 0403065
Plumbago Mine has $11K in proposed MSHA penalties and $6K outstanding across 6 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 2014
23
citations
3
significant & substantial
$11,495
proposed penalties
$168
paid to date
1% of proposed penalties paid to date, a $11,327 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2014
12
inspections on record
282
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: 282 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Plumbago Mine has $11K in proposed MSHA penalties and $6K outstanding across 6 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.$11K
proposed penalties
$6K
current assessed
$168
paid to date
$6K
outstanding
22 assessments are final orders; 6 contested dockets.
Of $12K in penalties contested before the Commission, $6K was upheld in final decisions.
As of the most recent assessment on 2015-05-07.
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.13.6%
significant & substantial
18.2%
high negligence or reckless
13.6%
reasonably likely or greater
31.8%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 4.5% low, 77.3% moderate, 13.6% high, 4.5% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
When citations were contested
ⓘ
Contesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.
23
citations taken to the federal commission · 100% of citations on record
- Settled 22 · 96%
- Vacated or withdrawn 1 · 4%
100%
S&S designation survived the contest
ⓘ
Counts a Significant & Substantial citation as surviving when a settlement or judge's decision kept the designation, or the contest was dismissed or defaulted so the citation stands as issued. Vacated and withdrawn citations, and settlements that removed the designation, count against.of 3 decided S&S contests · industry: 79%
45%
Penalty reduction in decided contests
$12K proposed, $6K after decisions · industry: 39%
Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2015-10-25.
Contested penalties
ⓘ
A reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.Largest penalties this mine contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
| Docket | Decision | Judge | Year | Proposed / upheld |
|---|---|---|---|---|
| WEST 2015-0077 | Prevail | Moran | 2016 | $5K → $575 |
| WEST 2015-0381 | Prevail | Moran | 2016 | $4K → $4K |
| WEST 2015-0078 | Prevail | Moran | 2016 | $2K → $2K |
| WEST 2015-0240 | Prevail | Moran | 2016 | $200 → $100 |
| WEST 2015-0851 | Prevail | Moran | 2017 | $100 → $25 |
| WEST 2016-0071 | Vacate | Moran | 2017 | $100 → $0 |
Source: FMSHRC civil penalty dockets and decisions (public record), 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: 2015-05-07, 11 years ago
ⓘ
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.3
samples
0
limit-tested
Most sampled contaminants
- Respirable dust, <.1mg3
Show the individual readings (3)
| Date | Contaminant | Concentration | Limit | Conc / limit | Occupation |
|---|---|---|---|---|---|
| 2015-05-07 | Respirable dust, <.1mg | 0 | Ground Control/Timberman | ||
| 2015-05-07 | Respirable dust, <.1mg | 0 | Mucking Mach. Operator | ||
| 2015-05-07 | Respirable dust, <.1mg | 0 | Nipper, Supply Man |
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.
Ownership history
- Plumbago Mines Inc 1950 to 1980
- Plumbago Mines Inc 1980 to 1981
- Amber Mining Consultants Inc 1981 to 1982
- Christman Mining Enterprises 1982 to 1983
- Plumbago Mining Corp 1983 to 1983
- Underground Development Corp 1983 to 1986
- Norsemont Mining Inc 1986 to 1996
- Plumbco 1996 to 2014
- Original Sixteen to One Mine, Inc. 2014 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
| Year | Employees |
|---|---|
| 2016 | 0 |
| 2015 | 3 |
| 2014 | 3 |
Source: MSHA quarterly employment and production, updated weekly.
Plumbago Mine sits in Sierra County, California, where the Census mining category is 0.0% 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.Sierra County, California · Population 2,731
0.0%
Mining share of county employment
$60,000
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 |
|---|---|---|---|---|
| 2016 Q2 | 0 | 0 | 0 | |
| 2016 Q1 | 0 | 0 | 0 | |
| 2015 Q4 | 1 | 0 | 0 | 0.0 |
| 2015 Q3 | 320 | 0 | 0 | 0.0 |
| 2015 Q2 | 529 | 1 | 0 | 1890.4 |
| 2015 Q1 | 1,080 | 0 | 0 | 0.0 |
| 2014 Q4 | 1,085 | 2 | 0 | 1843.3 |
| 2014 Q3 | 1,169 | 5 | 0 | 4277.2 |
Show 1 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2014 Q2 | 795 | 15 | 3 | 18867.9 |
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.