Mining Incidents

CEMEX - SIERRA VISTA Metal/Non-Metal

Controlled by Cemex S A
Portable, Cochise County, AZ  ·  Active
MSHA Mine ID: 0202062

CEMEX - SIERRA VISTA has $21K in proposed MSHA penalties and $151 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
6
Years on record
1991–2005
Latest incident
Sep 2005
Compliance record
MSHA citations since 2001
72
citations
15
significant & substantial
$21,192
proposed penalties
$21,041
paid to date
99% of proposed penalties paid to date, a $151 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
60
inspections on record
860
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: 860 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

CEMEX - SIERRA VISTA has $21K in proposed MSHA penalties and $151 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.
$21K
proposed penalties
$21K
current assessed
$21K
paid to date
$151
outstanding
72 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-03-13.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
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
2025 Q4 2,963 0 0 0.0
2025 Q3 3,151 0 0 0.0
2025 Q2 3,411 0 0 0.0
2025 Q1 3,264 0 0 0.0
2024 Q4 3,437 0 0 0.0
2024 Q3 3,195 1 0 313.0
2024 Q2 2,960 0 0 0.0
2024 Q1 2,782 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 2,802 0 0 0.0
2023 Q3 3,023 1 0 330.8
2023 Q2 3,040 0 0 0.0
2023 Q1 2,726 0 0 0.0
2022 Q4 1,925 2 1 1039.0
2022 Q3 1,966 0 0 0.0
2022 Q2 3,089 0 0 0.0
2022 Q1 1,788 0 0 0.0
2021 Q4 2,781 0 0 0.0
2021 Q3 2,768 0 0 0.0
2021 Q2 2,943 0 0 0.0
2021 Q1 2,583 0 0 0.0
2020 Q4 2,750 0 0 0.0
2020 Q3 2,809 0 0 0.0
2020 Q2 2,977 1 0 335.9
2020 Q1 2,651 0 0 0.0
2019 Q4 2,771 0 0 0.0
2019 Q3 2,837 1 1 352.5
2019 Q2 2,933 0 0 0.0
2019 Q1 2,911 0 0 0.0
2018 Q4 2,290 0 0 0.0
2018 Q3 3,195 0 0 0.0
2018 Q2 3,336 1 1 299.8
2018 Q1 2,681 0 0 0.0
2017 Q4 2,422 4 0 1651.5
2017 Q3 3,146 7 2 2225.0
2017 Q2 3,138 0 0 0.0
2017 Q1 2,575 4 2 1553.4
2016 Q4 2,787 0 0 0.0
2016 Q3 3,073 1 0 325.4
2016 Q2 3,870 0 0 0.0
2016 Q1 3,452 1 0 289.7
2015 Q4 3,667 0 0 0.0
2015 Q3 4,494 1 1 222.5
2015 Q2 3,511 0 0 0.0
2015 Q1 3,582 1 0 279.2
2014 Q4 4,734 0 0 0.0
2014 Q3 4,048 0 0 0.0
2014 Q2 5,042 1 0 198.3
2014 Q1 4,544 0 0 0.0
2013 Q4 4,610 3 0 650.8
2013 Q3 3,707 0 0 0.0
2013 Q2 4,517 1 0 221.4
2013 Q1 4,039 0 0 0.0
2012 Q4 3,771 3 1 795.5
2012 Q3 4,942 0 0 0.0
2012 Q2 5,124 4 0 780.6
2012 Q1 5,394 0 0 0.0
2011 Q4 4,563 1 0 219.2
2011 Q3 5,040 0 0 0.0
2011 Q2 5,320 1 1 188.0
2011 Q1 6,129 0 0 0.0
2010 Q4 5,482 4 0 729.7
2010 Q3 5,516 0 0 0.0
2010 Q2 5,585 8 1 1432.4
2010 Q1 5,322 0 0 0.0
2009 Q4 5,931 2 0 337.2
2009 Q3 5,477 0 0 0.0
2009 Q2 4,977 1 0 200.9
2009 Q1 4,726 0 0 0.0
2008 Q4 5,193 0 0 0.0
2008 Q3 7,550 0 0 0.0
2008 Q2 6,541 0 0 0.0
2008 Q1 7,506 3 1 399.7
2007 Q4 8,144 0 0 0.0
2007 Q3 7,921 0 0 0.0
2007 Q2 9,185 0 0 0.0
2007 Q1 9,539 1 0 104.8
2006 Q4 9,179 0 0 0.0
2006 Q3 8,470 0 0 0.0
2006 Q2 7,059 0 0 0.0
2006 Q1 7,032 0 0 0.0
2005 Q4 6,970 0 0 0.0
2005 Q3 7,620 5 1 656.2
2005 Q2 7,948 0 0 0.0
2005 Q1 8,434 0 0 0.0
2004 Q4 8,973 0 0 0.0
2004 Q3 8,339 1 1 119.9
2004 Q2 7,149 1 0 139.9
2004 Q1 6,700 0 0 0.0
2003 Q4 7,274 0 0 0.0
2003 Q3 7,938 0 0 0.0
2003 Q2 5,707 0 0 0.0
2003 Q1 4,908 1 0 203.7
2002 Q4 4,139 0 0 0.0
2002 Q3 3,950 0 0 0.0
2002 Q2 4,803 3 0 624.6
2002 Q1 3,941 0 0 0.0
2001 Q4 3,669 0 0 0.0
2001 Q3 5,340 0 0 0.0
2001 Q2 4,531 1 1 220.7
2001 Q1 2,701 0 0 0.0
2000 Q4 6,606 0 0 0.0
2000 Q3 5,171 0 0 0.0
2000 Q2 3,160 0 0 0.0
2000 Q1 3,306 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

6 on file

2005 · 1 incident

September 13, 2005 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Rinker Materials · Over-exertion (Not Elsewhere Classified)

Employee was ascending the stariway to the wash plant bridge, and felt a pop in his left knee. No swelling. This pain had been an issue several weeks prior to incident.

1993 · 2 incidents

July 6, 1993 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Sierra Ready Mix & Materials · Struck against stationary object

EMPLOYEE HIT HIS LEFT ARM AGAINST THE CRUSHER WHILE IN THE ACT OF SHOVELING.

June 16, 1993 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Sierra Ready Mix & Materials · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS CLEARING DIRT WHICH HAD ACCUMULATED AROUND THE TAIL PULLEY OF A CONVEYOR WITH A SHOVEL WHEN HE HIT A ROCK WITH THE SHOVEL CAUSING THE EMPLOYEE TO JAM HIS LEFT WRIST.

1992 · 1 incident

September 3, 1992 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Sierra Ready Mix & Materials · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS CAHNGING SCREENS ON ELJAY CRUSHER WHEN HE APPARENTLY CUT HIMSELF SOMETIME DURING THE PROCESS OF WORKING ON THE SCREENS

1991 · 2 incidents

July 11, 1991 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Sierra Ready Mix & Materials · Fall from ladders

EMPLOYEE WAS CLIMBING DOWN CATWALK LADDER WHEN HE SLIPPED OFF THE LAST STEP HE TWISTED HIS RT ANKLE WHEN HE LANDED ON THE GROUND

May 21, 1991 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator OTHER
Sierra Ready Mix & Materials · Struck by flying object

EMPL PERFORMING ROUTINE MAINTENANCE TO CRUSHER WHEN PIECE OF STEEL SLAG WAS BLOWN INTO EYE BY WIND FROM WELDER WORKING IN VICINITY.

For insurers, brokers, and safety consultants

The full compliance file on CEMEX - SIERRA VISTA

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.