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: 54 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Portable Screen has $5K 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.
$5K
proposed penalties
$5K
current assessed
$5K
paid to date
$0
outstanding
7 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2009-04-28.
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.
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year
Employees
2010
1
2009
4
2008
2
2007
3
Source: MSHA quarterly employment and production, updated weekly.
Portable Screen sits in Santa Cruz County, Arizona, where the Census mining category is 0.9% 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.
Santa Cruz County, Arizona · Population 48,209
0.9%
Mining share of county employment
$53,614
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
2010 Q4
0
0
0
2010 Q3
0
0
0
2010 Q2
0
0
0
2010 Q1
96
0
0
0.0
2009 Q4
96
0
0
0.0
2009 Q3
8
0
0
0.0
2009 Q2
255
1
0
3921.6
2009 Q1
142
0
0
0.0
Show 7 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2008 Q4
0
0
0
2008 Q3
32
0
0
0.0
2008 Q2
111
0
0
0.0
2008 Q1
54
0
0
0.0
2007 Q4
172
0
0
0.0
2007 Q3
75
0
0
0.0
2007 Q2
279
7
3
25089.6
No fatalities recorded at this mine.
Reportable incidents
1 on file
2007 · 1 incident
April 2, 2007AZ · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techMACHINERY
GRG Construction · Caught in, under or between running or meshing objects
Injury sustained was severed right index finger. Patient underwent surgery to repair finger. Patient is still in hospital for observation and treatment. Injured and another EE were replacing a new alternator and fan belt at screen plant, the guard had been removed.