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Platte Sand and Gravel: 69 MSHA citations Metal/Non-Metal

Milliken, Weld County, CO  ·  Intermittent
MSHA Mine ID: 0504418

Platte Sand and Gravel has $8K 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
19
Years on record
1998–2016
Latest incident
Feb 2016
Compliance record
MSHA citations since 2001
69
citations
10
significant & substantial
$8,334
proposed penalties
$8,334
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
See Martin Marietta Materials's full MSHA compliance history →
Inspection activity
MSHA inspections since 2001
63
inspections on record
830
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: 830 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Platte Sand and Gravel has $8K 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.
$8K
proposed penalties
$8K
current assessed
$8K
paid to date
$0
outstanding
69 assessments are final orders; 1 contested dockets.
Of $180 in penalties contested before the Commission, $180 was upheld in final decisions.
As of the most recent assessment on 2022-02-25.
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.
14.5%
significant & substantial
10.1%
high negligence or reckless
14.5%
reasonably likely or greater
31.9%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 10.1% low, 79.7% moderate, 10.1% 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 · 4% of citations on record
  • Settled 3 · 100%
0%
Penalty reduction in decided contests
$180 proposed, $180 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 2005-03-02.
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 2005-206M Settlement Manning 2006 $180 → $180
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: 2020-09-24, 5 years ago
0%
of limit-tested samples over the exposure limit
10
samples
1
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz5
  • Respirable dust, <.1mg5
Show the individual readings (10)
Date Contaminant Concentration Limit Conc / limit Occupation
2020-09-24 Quartz, respirable, >1% Qtz 0.16 Laborer, Bullgang
2020-09-24 Quartz, respirable, >1% Qtz 0.2 Laborer, Bullgang
2020-09-24 Quartz, respirable, >1% Qtz 0.21 Laborer, Bullgang
2020-09-24 Quartz, respirable, >1% Qtz 0.35 Crusher Oper/Worker
2017-09-06 Respirable dust, <.1mg 0 Front-end Loader Operator
2017-09-06 Respirable dust, <.1mg 0 Front-end Loader Operator
2017-09-06 Respirable dust, <.1mg 0 Cleanup Man
2010-06-03 Quartz, respirable, >1% Qtz 0.5 0.97 0.52 Crusher Oper/Worker
2010-06-03 Respirable dust, <.1mg 0 Front-end Loader Operator
2010-06-03 Respirable dust, <.1mg 0 Front-end Loader Operator
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.

Platte Sand and Gravel recorded 0.00 reportable injury cases per 100 full-time workers in 2023.

Injury rate, 2023
ⓘ 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
Below average. The US metal and nonmetal mining average was 1.78 and the all-US-mining average was 2.10 cases per 100 workers.
In Colorado, metal and nonmetal mining averaged 2.38 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
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
2017 * 0.00 0.00 0.000
2016 * 21.65 0.00 0.000
2015 * 0.00 0.00 0.000
2014 * 6.73 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. Frontier Materials 1990 to 1991
  2. Western Mobile Boulder Inc 1991 to 1998
  3. Western Mobile Inc 1998 to 2002
  4. Lafarge West Incorporated 2002 to 2011
  5. Martin Marietta Materials 2011 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 4
2025 3
2024 2
2023 10
2022 12
2021 10
2020 9
2019 1
2018 5
2017 10
2016 11
2015 12
2014 11
2013 9
2012 12
2011 11
2010 14
2009 7
2008 18
2007 19
2006 25
2005 20
2004 23
2003 20
2002 17
2001 17
2000 11
Source: MSHA quarterly employment and production, updated weekly.

Platte Sand and Gravel sits in Weld County, Colorado, where the Census mining category is 2.4% 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.
Weld County, Colorado · Population 340,711
2.4%
Mining share of county employment
$93,287
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 2,917 0 0 0.0
2026 Q1 1,286 0 0 0.0
2025 Q4 470 0 0 0.0
2025 Q3 596 0 0 0.0
2025 Q2 1,957 0 0 0.0
2025 Q1 2,417 0 0 0.0
2024 Q4 0 0 0
2024 Q3 0 0 0
Show 98 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 1,502 0 0 0.0
2024 Q1 3,533 0 0 0.0
2023 Q4 5,009 0 0 0.0
2023 Q3 5,631 0 0 0.0
2023 Q2 6,985 0 0 0.0
2023 Q1 5,857 0 0 0.0
2022 Q4 6,036 0 0 0.0
2022 Q3 7,155 0 0 0.0
2022 Q2 7,835 0 0 0.0
2022 Q1 5,442 2 1 367.5
2021 Q4 6,378 0 0 0.0
2021 Q3 5,069 0 0 0.0
2021 Q2 5,827 2 0 343.2
2021 Q1 4,586 0 0 0.0
2020 Q4 5,058 3 0 593.1
2020 Q3 5,317 0 0 0.0
2020 Q2 5,761 0 0 0.0
2020 Q1 5,241 1 0 190.8
2019 Q4 0 0 0
2019 Q3 0 0 0
2019 Q2 226 0 0 0.0
2019 Q1 1,640 0 0 0.0
2018 Q4 2,059 0 0 0.0
2018 Q3 3,342 0 0 0.0
2018 Q2 3,230 0 0 0.0
2018 Q1 4,940 0 0 0.0
2017 Q4 4,912 0 0 0.0
2017 Q3 5,980 0 0 0.0
2017 Q2 6,694 0 0 0.0
2017 Q1 7,284 1 0 137.3
2016 Q4 7,526 0 0 0.0
2016 Q3 6,535 3 1 459.1
2016 Q2 7,010 0 0 0.0
2016 Q1 6,639 2 0 301.3
2015 Q4 7,412 0 0 0.0
2015 Q3 8,043 0 0 0.0
2015 Q2 7,800 2 0 256.4
2015 Q1 7,050 1 0 141.8
2014 Q4 7,246 1 0 138.0
2014 Q3 7,985 1 0 125.2
2014 Q2 8,452 1 0 118.3
2014 Q1 6,045 3 0 496.3
2013 Q4 5,173 0 0 0.0
2013 Q3 6,465 0 0 0.0
2013 Q2 4,950 2 0 404.0
2013 Q1 3,620 0 0 0.0
2012 Q4 3,504 0 0 0.0
2012 Q3 4,663 0 0 0.0
2012 Q2 5,996 0 0 0.0
2012 Q1 2,393 1 0 417.9
2011 Q4 624 0 0 0.0
2011 Q3 4,589 2 0 435.8
2011 Q2 5,243 0 0 0.0
2011 Q1 2,544 0 0 0.0
2010 Q4 3,347 0 0 0.0
2010 Q3 7,263 0 0 0.0
2010 Q2 6,248 0 0 0.0
2010 Q1 4,930 3 2 608.5
2009 Q4 2,937 0 0 0.0
2009 Q3 2,818 3 1 1064.6
2009 Q2 6,758 0 0 0.0
2009 Q1 708 1 0 1412.4
2008 Q4 5,300 0 0 0.0
2008 Q3 11,876 1 0 84.2
2008 Q2 12,607 0 0 0.0
2008 Q1 7,442 1 0 134.4
2007 Q4 8,120 0 0 0.0
2007 Q3 13,940 0 0 0.0
2007 Q2 15,476 0 0 0.0
2007 Q1 10,240 2 0 195.3
2006 Q4 12,920 1 0 77.4
2006 Q3 14,803 4 2 270.2
2006 Q2 11,962 0 0 0.0
2006 Q1 12,259 0 0 0.0
2005 Q4 12,952 0 0 0.0
2005 Q3 14,713 0 0 0.0
2005 Q2 13,004 0 0 0.0
2005 Q1 11,531 2 0 173.4
2004 Q4 11,267 6 0 532.5
2004 Q3 10,396 0 0 0.0
2004 Q2 10,823 0 0 0.0
2004 Q1 14,460 2 0 138.3
2003 Q4 13,768 0 0 0.0
2003 Q3 13,926 2 0 143.6
2003 Q2 13,777 0 0 0.0
2003 Q1 13,487 0 0 0.0
2002 Q4 14,655 0 0 0.0
2002 Q3 15,214 0 0 0.0
2002 Q2 14,976 1 0 66.8
2002 Q1 13,761 2 1 145.3
2001 Q4 12,855 0 0 0.0
2001 Q3 5,986 2 0 334.1
2001 Q2 9,080 0 0 0.0
2001 Q1 7,571 0 0 0.0
2000 Q4 2,190 0 0 0.0
2000 Q3 7,732 0 0 0.0
2000 Q2 7,572 0 0 0.0
2000 Q1 5,261 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

19 on file

2016 · 3 incidents

February 29, 2016 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Martin Marietta Materials · Struck by... (Not Elsewhere Classified)

Employee was struck in chin/jaw with piece of metal being removed from the screen.

February 25, 2016 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Martin Marietta Materials · Struck by... (Not Elsewhere Classified)

Employees were removing the screen frame. It became dislodged quickly and struck an employee in the chin causing a laceration.

January 12, 2016 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Martin Marietta Materials · Struck by... (Not Elsewhere Classified)

Employee's hand slipped while swinging a hammer. The hammer struck EE's face causing tooth damage.

2014 · 1 incident

November 22, 2014 CO · Metal/Non-Metal outside foreman, leadman HANDTOOLS (NONPOWERED)
Martin Marietta Materials · Struck by... (Not Elsewhere Classified)

The employee was cutting urethane chute liner when the utility knife slipped out of the cut. This resulted in a laceration below the right thumb. He received 9 stitches.

2008 · 1 incident

July 21, 2008 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman STEPPING OR KNEELING ON OBJECT
Lafarge West Incorporated · Struck against stationary object

Employee was stepping off a bench after cleaning a screen and sprained his left ankle.

2007 · 2 incidents

July 14, 2007 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Lafarge West Incorporated · Caught in, under or between (Not Elsewhere Classified)

Employee's finger was caught between a chain and the conveyor.

March 26, 2007 CO · Metal/Non-Metal outside foreman, leadman MACHINERY
Lafarge West Incorporated · Contact with hot objects or substances

Employee was using a torch. He pulled back on the torch and his glove caught fire, burning his hand.

2004 · 2 incidents

January 17, 2004 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Lafarge West Incorporated · Fall from machine

Employee slipped while exiting cab and fell to the ground, injuring his right arm. Injury was not recordable at that time. Recent medical evaluation led to surgery 5/12/04.

January 7, 2004 CO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Lafarge West Incorporated · Fall from ladders

EE STARTED DOWN OFF BOTTOM STEP OF LADDER AND RIGHT FOOT SLIPPED, CAUSING A STRAINED KNEE. EE EXAMINED BY DR AND RETURN TO WORK. EE WENT BACK TO DR 2-9-04 AND WAS PRESCRIBED PHYSICAL THERAPY.

2003 · 3 incidents

January 22, 2003 CO · Metal/Non-Metal weighman, scale person SLIP OR FALL OF PERSON
Lafarge West Incorporated · Fall onto or against objects

EMPLOYEE WAS WALKING BACK TO OFFICE FROM CHECKING OUTSIDE SCALE TICKET PRINTER AND SLIPPED, WHEN SHE SLIPPED, SHE FELL AGAINST A PUMP HANDLE INJURING HER RIBS.

January 18, 2003 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Lafarge West Incorporated · Over-exertion in lifting objects

EMPLOYEE REPORTED TO MANAGEMENT ON 1-19-03 THAT HE THOUGHT HE HURT HIS BACK ON THE PREVIOUS DAY SHIFT WHILE POSITIONING A 10" BY 20" PIECE OF PIPE.

2002 · 1 incident

2001 · 1 incident

July 10, 2001 CO · Metal/Non-Metal miner, nec HANDLING OF MATERIALS
Western Mobile Inc · Struck by... (Not Elsewhere Classified)

DIGGING OUT FEEDER CONVEYOR AND CULVERT, BOTH SIDES WERE EXCAVATED. A BIG CRACK IN MATERIAL OPENED UP AND MATERIAL SLID INTO HIS KNEE.

2000 · 1 incident

January 19, 2000 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Western Mobile Inc · Fall to lower level, (Not Elsewhere Classified)

EMPLOYEE CLIMBED ONTO A MACHINE SHED ROOF TO NAIL DOWN LOOSE TIN, EMPLOYEE SLIPPED ON THE ROOF AND FELL TO THE GROUND.

1999 · 2 incidents

December 16, 1999 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Western Mobile Inc · Fall from machine

HOPPED OFF BOTTOM OF CONVYEOR

December 6, 1999 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Western Mobile Inc · Over-exertion (Not Elsewhere Classified)

CHANGING PUMP AT STELTER PIT, SLIPPED ON CATWALK AND HURT BACK.

1998 · 2 incidents

January 12, 1998 CO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Western Mobile Boulder Inc · Struck against stationary object

MOVING A TOOTH ON BUCKET TO PUT ON TWO NEW ONES, PUSHING & PULLING WHEN HE HIT STOMACH ON TOOTH.

January 5, 1998 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Western Mobile Boulder Inc · Over-exertion (Not Elsewhere Classified)

TOOK LONG OR BIG STEP UP ONTO A WET SCREEN TOP.