Mining Incidents

BLAISDELL: 197 MSHA citations Metal/Non-Metal

DPE Materials, Inc · Surface
Controlled by Donald R Peterson
Yuma, Yuma County, AZ  ·  Active
MSHA Mine ID: 0202470

BLAISDELL has $79K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
25
Years on record
1989–2014
Latest incident
Feb 2014
Compliance record
MSHA citations since 2000
197
citations
74
significant & substantial
$79,172
proposed penalties
$78,199
paid to date
99% of proposed penalties paid to date, a $973 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
63
inspections on record
969
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: 969 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

BLAISDELL has $79K in proposed MSHA penalties and $0 outstanding across 1 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.
$79K
proposed penalties
$78K
current assessed
$78K
paid to date
$0
outstanding
188 assessments are final orders; 1 contested dockets.
Of $3K in penalties contested before the Commission, $2K was upheld in final decisions.
As of the most recent assessment on 2024-07-25.
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.
37.6%
significant & substantial
3.0%
high negligence or reckless
37.6%
reasonably likely or greater
59.9%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 8.6% low, 88.3% moderate, 3.0% high, 0.0% 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.
3 citations taken to the federal commission · 2% of citations on record
  • Settled 2 · 67%
  • Vacated or withdrawn 1 · 33%
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 2 decided S&S contests · industry: 79%
41%
Penalty reduction in decided contests
$3K proposed, $2K 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 2011-06-17.
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 2011-1128M Settlement Lesnick 2012 $3K → $2K
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: 2026-08-06
0%
of limit-tested samples over the exposure limit
23
samples
7
limit-tested
Most sampled contaminants
  • Respirable dust, <.1mg16
  • Quartz, respirable, >1% Qtz7
Show the individual readings (23)
Date Contaminant Concentration Limit Conc / limit Occupation
2026-08-06 Respirable dust, <.1mg 0 Crusher Oper/Worker
2026-08-06 Quartz, respirable, >1% Qtz 0.13 0.64 0.20 Scraper Operator
2026-08-06 Respirable dust, <.1mg 0 Bulldozer Operator
2022-04-07 Respirable dust, <.1mg 0 Crusher Oper/Worker
2022-04-07 Respirable dust, <.1mg 0 Front-end Loader Operator
2022-04-07 Respirable dust, <.1mg 0 Front-end Loader Operator
2016-11-09 Respirable dust, <.1mg 0 Crusher Oper/Worker
2016-11-09 Respirable dust, <.1mg 0 Laborer, Bullgang
2016-11-09 Respirable dust, <.1mg 0 Crusher Oper/Worker
2015-08-19 Respirable dust, <.1mg 0 Front-end Loader Operator
2015-08-19 Respirable dust, <.1mg 0 Front-end Loader Operator
2013-11-06 Respirable dust, <.1mg 0 Crusher Oper/Worker
2013-11-06 Respirable dust, <.1mg 0 Truck Driver
2013-11-06 Respirable dust, <.1mg 0 Laborer, Bullgang
2011-04-06 Quartz, respirable, >1% Qtz 0.26 0.77 0.34 Laborer, Bullgang
2011-04-06 Quartz, respirable, >1% Qtz 0.38 1 0.38 Welder, etc.
2011-04-06 Quartz, respirable, >1% Qtz 0.18 0.92 0.20 Front-end Loader Operator
2005-02-10 Quartz, respirable, >1% Qtz 0.24 0.6 0.40 Crusher Oper/Worker
2005-02-10 Quartz, respirable, >1% Qtz 0.55 0.59 0.93 Bulldozer Operator
2004-07-21 Respirable dust, <.1mg 0 Crusher Oper/Worker
2004-07-21 Quartz, respirable, >1% Qtz 0.72 2.47 0.29 Bulldozer Operator
2004-07-21 Respirable dust, <.1mg 0 Front-end Loader Operator
2004-07-21 Respirable dust, <.1mg 0 Cleanup 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.

BLAISDELL recorded 0.00 reportable injury cases per 100 full-time workers in 2025.

Injury rate, 2025
This rate is reportable injury cases per 100 full-time-equivalent workers per year, computed as 200,000 times cases divided by MSHA operator-reported employee-hours. Cases are injuries MSHA graded degree 01 through 07; accident-only events that hurt no one are excluded, and so are contractor injuries, whose hours do not attach to a single mine. Rates begin in 2000, when quarterly employment reporting starts, and are withheld below 20,000 hours in a year.
0.00
total case rate
0.00
days-away rate
0.000
fatality rate
No reportable injury cases in any year shown. Employee-hours were reported in each of those years, so these are true zeros rather than missing data. Citations, listed in the compliance record above, are inspector-found violations and are counted separately from worker injuries.
Below average. The US metal and nonmetal mining average was 1.65 and the all-US-mining average was 1.97 cases per 100 workers.
In Arizona, metal and nonmetal mining averaged 1.81 cases per 100 workers that year.
Under 100,000 employee-hours were reported that year, so a single case moves the rate by two or more. Read the figure as approximate.
Year total case rate days-away fatal
2025 * 0.00 0.00 0.000
2024 * 0.00 0.00 0.000
2023 * 0.00 0.00 0.000
2022 * 0.00 0.00 0.000
2021 * 0.00 0.00 0.000
2020 * 0.00 0.00 0.000
2019 * 0.00 0.00 0.000
2018 * 0.00 0.00 0.000
* Fewer than 100,000 employee-hours that year; the rate is less stable.
Source: injury cases from MSHA accident and injury records; employee-hours from MSHA quarterly employment reports. Rate is cases per 100 full-time-equivalent workers, operator employees only.
Ownership history
  1. Don Kelland Materials Inc 1988 to 2004
  2. DPE Materials, Inc 2005 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 26
2025 24
2024 20
2023 25
2022 21
2021 19
2020 17
2019 14
2018 12
2017 12
2016 11
2015 11
2014 12
2013 11
2012 13
2011 9
2010 6
2009 10
2008 10
2007 10
2006 12
2005 11
2004 10
2003 4
2002 5
2001 4
2000 7
Source: MSHA quarterly employment and production, updated weekly.

BLAISDELL sits in Yuma County, Arizona, 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.
Yuma County, Arizona · Population 207,685
0.1%
Mining share of county employment
$60,417
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
2026 Q2 13,755 0 0 0.0
2026 Q1 13,680 0 0 0.0
2025 Q4 11,922 0 0 0.0
2025 Q3 10,515 0 0 0.0
2025 Q2 12,732 0 0 0.0
2025 Q1 11,729 0 0 0.0
2024 Q4 10,715 0 0 0.0
2024 Q3 9,377 6 2 639.9
Show 98 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 10,435 0 0 0.0
2024 Q1 12,236 0 0 0.0
2023 Q4 12,888 2 1 155.2
2023 Q3 11,937 0 0 0.0
2023 Q2 13,050 0 0 0.0
2023 Q1 9,484 0 0 0.0
2022 Q4 10,359 0 0 0.0
2022 Q3 10,563 0 0 0.0
2022 Q2 9,932 1 0 100.7
2022 Q1 8,617 0 0 0.0
2021 Q4 8,914 1 0 112.2
2021 Q3 7,955 0 0 0.0
2021 Q2 8,087 1 0 123.7
2021 Q1 9,636 0 0 0.0
2020 Q4 10,727 11 2 1025.4
2020 Q3 9,194 2 0 217.5
2020 Q2 9,213 0 0 0.0
2020 Q1 7,231 3 1 414.9
2019 Q4 7,617 0 0 0.0
2019 Q3 7,781 0 0 0.0
2019 Q2 7,651 0 0 0.0
2019 Q1 6,993 7 4 1001.0
2018 Q4 6,310 0 0 0.0
2018 Q3 6,011 0 0 0.0
2018 Q2 5,748 4 1 695.9
2018 Q1 4,368 3 1 686.8
2017 Q4 5,013 0 0 0.0
2017 Q3 5,950 4 0 672.3
2017 Q2 5,904 0 0 0.0
2017 Q1 6,255 0 0 0.0
2016 Q4 5,118 9 0 1758.5
2016 Q3 5,379 0 0 0.0
2016 Q2 5,204 6 2 1153.0
2016 Q1 5,207 3 0 576.1
2015 Q4 6,036 0 0 0.0
2015 Q3 5,297 3 0 566.4
2015 Q2 6,051 0 0 0.0
2015 Q1 4,667 3 1 642.8
2014 Q4 5,540 0 0 0.0
2014 Q3 6,522 0 0 0.0
2014 Q2 5,804 5 2 861.5
2014 Q1 5,536 0 0 0.0
2013 Q4 6,036 3 3 497.0
2013 Q3 5,739 0 0 0.0
2013 Q2 4,844 1 0 206.4
2013 Q1 6,067 0 0 0.0
2012 Q4 6,869 3 1 436.7
2012 Q3 4,975 0 0 0.0
2012 Q2 5,497 4 2 727.7
2012 Q1 4,794 0 0 0.0
2011 Q4 4,141 4 2 966.0
2011 Q3 3,623 0 0 0.0
2011 Q2 3,775 6 6 1589.4
2011 Q1 3,884 0 0 0.0
2010 Q4 3,457 7 2 2024.9
2010 Q3 2,435 7 6 2874.7
2010 Q2 1,509 0 0 0.0
2010 Q1 1,373 2 1 1456.7
2009 Q4 4,158 0 0 0.0
2009 Q3 5,701 0 0 0.0
2009 Q2 5,566 4 0 718.6
2009 Q1 5,045 0 0 0.0
2008 Q4 6,544 0 0 0.0
2008 Q3 5,111 0 0 0.0
2008 Q2 4,290 0 0 0.0
2008 Q1 5,060 1 0 197.6
2007 Q4 4,521 3 0 663.6
2007 Q3 6,248 0 0 0.0
2007 Q2 5,015 14 6 2791.6
2007 Q1 3,575 0 0 0.0
2006 Q4 4,127 0 0 0.0
2006 Q3 5,353 3 1 560.4
2006 Q2 5,806 1 0 172.2
2006 Q1 4,671 8 4 1712.7
2005 Q4 4,939 0 0 0.0
2005 Q3 5,514 8 3 1450.9
2005 Q2 4,514 0 0 0.0
2005 Q1 4,019 1 0 248.8
2004 Q4 4,766 0 0 0.0
2004 Q3 5,151 16 11 3106.2
2004 Q2 5,114 0 0 0.0
2004 Q1 2,554 0 0 0.0
2003 Q4 1,851 0 0 0.0
2003 Q3 1,984 4 2 2016.1
2003 Q2 1,069 0 0 0.0
2003 Q1 1,141 6 1 5258.5
2002 Q4 3,050 0 0 0.0
2002 Q3 1,560 0 0 0.0
2002 Q2 1,308 0 0 0.0
2002 Q1 2,248 0 0 0.0
2001 Q4 1,763 0 0 0.0
2001 Q3 1,151 0 0 0.0
2001 Q2 993 0 0 0.0
2001 Q1 1,544 0 0 0.0
2000 Q4 2,965 0 0 0.0
2000 Q3 3,056 0 0 0.0
2000 Q2 3,118 0 0 0.0
2000 Q1 2,162 8 2 3700.3
No fatalities recorded at this mine.

Reportable incidents

25 on file

2014 · 1 incident

February 11, 2014 AZ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
DPE Materials, Inc · Fall from machine

Rocks lodged in loader belt. Employee was instructed to stay with loader while proper safety procedure was put into motion by other employees. Employee willfully climbed on loader bucket and attempted to remove rock, subsequently falling and striking face on belt cover. He broke a tooth and required stitches to his lip.

2012 · 2 incidents

July 30, 2012 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
DPE Materials, Inc · Over-exertion in lifting objects

Employee was shoveling sand away from belt area of screen and injured lower back. Not sure how.

June 19, 2012 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
DPE Materials, Inc · Fall onto or against objects

Employee was removing rock from sand screen. He lost his footing, slipped and fell on rocks next to him. Sustained bruising and soft tissue contusion. Awareness of surroundings, conscious of footing and balance would help to not repeat accident.

2011 · 1 incident

August 26, 2011 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
DPE Materials, Inc · Struck against a moving object

While moving loader on site, employee had bucket too low to ground. He hit bump in surface of ground and bucket dug into ground stopping loader abruptly. Employee was thrown into windshield, lacerating forehead. Employee received stitches. Loader required repair to joystick, not parts, mechanic time only.

2010 · 1 incident

2009 · 1 incident

April 2, 2009 AZ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
DPE Materials, Inc · Fall onto or against objects

EE was walking up conveyor belt to clear any large boulders that might be stuck on shaker chute when he tripped and lost his balance from his own two feet. He hit the shaker on his left side of his chest. He got up and told his supervisor.

2008 · 1 incident

September 22, 2008 AZ · Metal/Non-Metal MACHINERY
DPE Materials, Inc · Accident type, without injuries

Operator was cleaning spoils up around jaw. Right hand door on backhoe hit a protruding iron beam on upper platform on jaw, breaking the door glass and damaging the door frame, there were no injuries. He will receive a review of task training.

2007 · 2 incidents

April 30, 2007 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
DPE Materials, Inc · Struck by falling object

Was dislodging a rock on the grizzly rock crusher, rock came loose and hit EE on the lower right leg.

April 23, 2007 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
DPE Materials, Inc · Caught in, under or between a moving and a stationary object

Employee was using prybar to dislodge rock and when rock moved he smashed his finger between prybar and metal chute.

2005 · 2 incidents

December 22, 2005 AZ · Metal/Non-Metal welder (shop) OTHER
DPE Materials, Inc · Struck by flying object

EE was doing routine maintenance and the wind blew debris into his right eye (conjunctivitis).

September 29, 2005 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
DPE Materials, Inc · Contact with hot objects or substances

While employee was welding up on the tower on the crusher plant, he dropped the welding torch and burned his left hand.

2004 · 4 incidents

December 31, 2004 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Don Kelland Materials Inc · Over-exertion in pulling or pushing objects

WHILE PULLING 36" CONVEYOR BELT INTO PLACE, EE STRAINED ABDOMINAL WALL.

October 28, 2004 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Don Kelland Materials Inc · Struck by... (Not Elsewhere Classified)

WHILE LIFTING A METAL BEAM WITH A CHAIN & FORKLIFT EE GRABBED THE BEAM CAUSING THE CHAIN TO COME LOOSE & THE BEAM FELL & LANDED ON HIS RIGHT FOOT.

September 22, 2004 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Don Kelland Materials Inc · Fall down stairs

WHILE WALKING DOWN SHAKER STEPS, EMPLOYEE SLIPPED AND SPRAINED HIS RIGHT ANKLE

August 14, 2004 AZ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Don Kelland Materials Inc · Over-exertion in lifting objects

HE STRAINED HIS ABDOMINAL WALL (UMBILICAL HERNIA) LIFTING A HEAVY STEEL FRAME. (HERNIA REPAIRED 9/29/04 PER CALL)

2003 · 1 incident

November 7, 2003 AZ · Metal/Non-Metal backhoe operator, trackhoe operator, crane operator HANDTOOLS (NONPOWERED)
Don Kelland Materials Inc · Struck by... (Not Elsewhere Classified)

REMOVING BOULDERS FROM MAIN FEED BELT USING BAR WHICH SLIPPED AND HIT FINGER.

2000 · 1 incident

August 10, 2000 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Don Kelland Materials Inc · Caught in, under or between (Not Elsewhere Classified)

EE WAS UNCLOGGING THE OVERSIZED ROCK DISCHARGE SHAFT WITH A STEEL ROD. WHEN THE ROCKS WERE MOVED HIS HAND WAS HIT BY THE FALLING ROCKS CRUSHING HIS FINGER ON THE STEEL ROD.

1993 · 3 incidents

August 20, 1993 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Don Kelland Materials Inc · Struck by... (Not Elsewhere Classified)

WAS PULLING ON WRENCH WORKING ON THE CONE CRUSHER WHEN WRENCH SLIPPED HITTING EE IN THE FORHEAD HE WAS CONCERED BECAUSE HE HAS WIRE IN HIS HEAD FROM A PREVIOUS ACCIDENT.

May 8, 1993 AZ · Metal/Non-Metal welder (shop) HANDTOOLS (NONPOWERED)
Don Kelland Materials Inc · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS TAKING SPROCKET OFF GEAR BOX WHILE HAMMERING BACKSIDE OF SPROCKET, PIECE OF METAL BROKE OFF AND ENTERED WRIST.

May 3, 1993 AZ · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDTOOLS (NONPOWERED)
Don Kelland Materials Inc · Struck against stationary object

ADMUSTMENT BOLT BROKE WHILE ADJUSTING ON FEEDER BELT.

1992 · 2 incidents

June 29, 1992 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Don Kelland Materials Inc · Struck by falling object

MECHANIC WAS REMOVING FLYWHEEL ON CRUSHER- FLYWHEEL SLIPPED AND FELL ON LEFT HAND CUTTING FINGERS.

February 5, 1992 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Don Kelland Materials Inc · Flash burns (welding)

EMPLOYEE WAS ASSISTING WELDER ON SCREEN DECK AND CAUGHT 2 GLIMPS OF WELDING ARC. EMPLOYEE WS WEARING SAFETY GOGGLES.

1991 · 1 incident

December 30, 1991 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Don Kelland Materials Inc · Over-exertion in wielding or throwing objects

EMPLOYEE WAS CLEARING LARGE ROCKS FORM THE GIZZLE BAR OVER THE CONE CRUSHERS. WHILE PICKING UP A ROCK & THROWING IT HE FELT A STRAIN IN HIS LOWER STOMACH CONE CRUSHER.

1989 · 2 incidents

June 21, 1989 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Don Kelland Materials Inc · Caught in, under or between a moving and a stationary object

JAW CRUSHER PLUGGED UP WHILE REMOVING ROCKS WITH SLEDGE HAMMER HE MESHED HIS FINGER ON A METAL BAR.

June 16, 1989 AZ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Don Kelland Materials Inc · Fall from machine

WHILE SERVICING THE D-8 DOZER HE SLIPPED OFF THE TRUCK AND FELL TO THE GROUND HURTING HIS RIGHT SHOULDER AND NECK.