Mining Incidents

PORTABLE CRUSHER 05: 21 MSHA citations Metal/Non-Metal

Controlled by Taiheiyo Cement Corp
Tucson, Pima County, AZ  ·  Abandoned
MSHA Mine ID: 0202612

PORTABLE CRUSHER 05 has $2K 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
4
Years on record
1994–1997
Latest incident
May 1997
Compliance record
MSHA citations since 2000
21
citations
8
significant & substantial
$1,684
proposed penalties
$1,684
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
10
inspections on record
116
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: 116 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 CRUSHER 05 has $2K 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.
$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
21 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2005-08-17.
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.
38.1%
significant & substantial
4.8%
high negligence or reckless
28.6%
reasonably likely or greater
33.3%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 0.0% low, 95.2% moderate, 4.8% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
Ownership history
  1. Tanner Companies 1994 to 1994
  2. Tucson Rock & Sand Inc 1994 to 1997
  3. Tucson Ready Mix Inc 1997 to 2005
  4. CPC Southwest Materials Inc 2005 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2007 0
2006 4
2005 4
2004 4
2003 3
2002 3
2001 3
2000 3
Source: MSHA quarterly employment and production, updated weekly.

PORTABLE CRUSHER 05 sits in Pima County, Arizona, where the Census mining category is 0.6% 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.
Pima County, Arizona · Population 1,049,947
0.6%
Mining share of county employment
$67,929
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
2007 Q2 0 0 0
2006 Q4 1,311 0 0 0.0
2006 Q3 1,536 0 0 0.0
2006 Q2 2,376 0 0 0.0
2006 Q1 2,680 0 0 0.0
2005 Q4 2,905 0 0 0.0
2005 Q3 1,975 1 0 506.3
2005 Q2 1,871 0 0 0.0
Show 21 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2005 Q1 2,348 0 0 0.0
2004 Q4 2,156 1 0 463.8
2004 Q3 2,510 3 0 1195.2
2004 Q2 2,305 0 0 0.0
2004 Q1 2,007 1 0 498.3
2003 Q4 2,561 0 0 0.0
2003 Q3 2,054 0 0 0.0
2003 Q2 1,567 0 0 0.0
2003 Q1 1,567 0 0 0.0
2002 Q4 945 0 0 0.0
2002 Q3 1,008 2 2 1984.1
2002 Q2 958 0 0 0.0
2002 Q1 934 0 0 0.0
2001 Q4 1,228 0 0 0.0
2001 Q3 1,110 0 0 0.0
2001 Q2 1,148 1 0 871.1
2001 Q1 922 0 0 0.0
2000 Q4 1,104 0 0 0.0
2000 Q3 982 0 0 0.0
2000 Q2 410 3 2 7317.1
2000 Q1 48 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

4 on file

1997 · 2 incidents

May 21, 1997 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Tucson Rock & Sand Inc · Struck by... (Not Elsewhere Classified)

HE WAS CUTTING CONVEYOR BELT WITH UTILITY KNIFE. KNIFE SLIPPED AND CUT LET LEG.

March 13, 1997 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Tucson Rock & Sand Inc · Struck by... (Not Elsewhere Classified)

EE WAS ON CRUSHER CATWALK INSPECTING THE CRUSHERA LARGE ROCK FLIPPED UP FROMT HE JAW CRUSHER STRIKING THE UNDERSIDE OF THE CATWALK UNDER EE FOOT

1995 · 1 incident

December 1, 1995 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Tucson Rock & Sand Inc · Struck by falling object

EMPLOYEE WAS CLEANING HOPPER WITH AIR CHIPPING GUN. HOPPER HAD CLAY BUILD UP ON SIDES. VIBRATIONOF GUN DISLODGED A ROCK WHICH FEL AND HIT THUMB.EMP HAD SMALL PAIN AND DID NOT GO TO DR UNTIL 12 -6. A SIMPLE FRACTURE TO LFT HAND THUMB. SPLINT.NO RESTRICTED DUTY.

1994 · 1 incident

August 29, 1994 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STEPPING OR KNEELING ON OBJECT
Tucson Rock & Sand Inc · Struck against stationary object

EMPLOYE EWAS WALKING ACROSS YARD. STEPPE DON A ROCK AND SPRAINED RIGHT ANKLE.