Portable Plant #4 Metal/Non-Metal
MSHA record for Portable Plant #4 (mine ID 0405286). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.
Watch this mine
Email me when a new MSHA incident is filed at Portable Plant #4.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Inspection activity
MSHA inspections since 2000
3
inspections on record
16
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: 16 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Ownership history
- Hanmer Materials 1996 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
| Year | Employees |
|---|---|
| 2015 | 2 |
| 2014 | 2 |
| 2013 | 2 |
| 2012 | 2 |
| 2003 | 2 |
| 2002 | 2 |
| 2001 | 2 |
| 2000 | 2 |
Source: MSHA quarterly employment and production, updated weekly.
Portable Plant #4 sits in Riverside County, California, where the Census mining category is 0.1% 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.Riverside County, California · Population 2,449,909
0.1%
Mining share of county employment
$89,672
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 |
|---|---|---|---|---|
| 2015 Q1 | 24 | 0 | 0 | 0.0 |
| 2014 Q4 | 32 | 0 | 0 | 0.0 |
| 2014 Q3 | 24 | 0 | 0 | 0.0 |
| 2014 Q2 | 22 | 0 | 0 | 0.0 |
| 2014 Q1 | 22 | 0 | 0 | 0.0 |
| 2013 Q4 | 22 | 0 | 0 | 0.0 |
| 2013 Q3 | 22 | 0 | 0 | 0.0 |
| 2013 Q2 | 62 | 0 | 0 | 0.0 |
Show 18 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2013 Q1 | 26 | 0 | 0 | 0.0 |
| 2012 Q4 | 34 | 0 | 0 | 0.0 |
| 2012 Q3 | 22 | 0 | 0 | 0.0 |
| 2003 Q3 | 64 | 0 | 0 | 0.0 |
| 2003 Q2 | 45 | 0 | 0 | 0.0 |
| 2003 Q1 | 58 | 0 | 0 | 0.0 |
| 2002 Q4 | 73 | 0 | 0 | 0.0 |
| 2002 Q3 | 57 | 0 | 0 | 0.0 |
| 2002 Q2 | 58 | 0 | 0 | 0.0 |
| 2002 Q1 | 88 | 0 | 0 | 0.0 |
| 2001 Q4 | 112 | 0 | 0 | 0.0 |
| 2001 Q3 | 191 | 0 | 0 | 0.0 |
| 2001 Q2 | 348 | 0 | 0 | 0.0 |
| 2001 Q1 | 781 | 0 | 0 | 0.0 |
| 2000 Q4 | 502 | 0 | 0 | 0.0 |
| 2000 Q3 | 370 | 0 | 0 | 0.0 |
| 2000 Q2 | 349 | 0 | 0 | 0.0 |
| 2000 Q1 | 722 | 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.