Mining Incidents

Plant #8 Metal/Non-Metal

Controlled by Mark Schildberg
Greenfield, Adair County, IA  ·  Active
MSHA Mine ID: 1302178

Plant #8 has $29K 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
26
Years on record
1991–2023
Latest incident
Aug 2023
Compliance record
MSHA citations since 2001
112
citations
22
significant & substantial
$29,255
proposed penalties
$28,177
paid to date
96% of proposed penalties paid to date, a $1,078 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
64
inspections on record
1,011
inspection hours
11.1
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.
112 citations across 1,011 inspection hours.
Source: MSHA inspections data, updated weekly.

Plant #8 has $29K 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.
$29K
proposed penalties
$28K
current assessed
$28K
paid to date
$0
outstanding
112 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2025-06-11.
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 5,636 0 0 0.0
2025 Q3 7,915 0 0 0.0
2025 Q2 7,677 3 0 390.8
2025 Q1 4,958 0 0 0.0
2024 Q4 5,953 0 0 0.0
2024 Q3 6,747 0 0 0.0
2024 Q2 5,854 2 0 341.6
2024 Q1 5,553 1 0 180.1
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 6,004 0 0 0.0
2023 Q3 6,633 0 0 0.0
2023 Q2 6,606 1 0 151.4
2023 Q1 5,797 0 0 0.0
2022 Q4 6,902 0 0 0.0
2022 Q3 7,677 0 0 0.0
2022 Q2 7,370 1 0 135.7
2022 Q1 5,436 0 0 0.0
2021 Q4 6,925 0 0 0.0
2021 Q3 7,097 0 0 0.0
2021 Q2 7,824 2 1 255.6
2021 Q1 4,992 0 0 0.0
2020 Q4 6,025 5 0 829.9
2020 Q3 6,942 0 0 0.0
2020 Q2 9,143 0 0 0.0
2020 Q1 5,386 6 0 1114.0
2019 Q4 5,981 0 0 0.0
2019 Q3 8,131 0 0 0.0
2019 Q2 7,645 0 0 0.0
2019 Q1 5,027 0 0 0.0
2018 Q4 5,806 3 0 516.7
2018 Q3 6,505 1 0 153.7
2018 Q2 7,402 0 0 0.0
2018 Q1 6,447 5 1 775.6
2017 Q4 6,065 0 0 0.0
2017 Q3 7,330 0 0 0.0
2017 Q2 6,859 4 0 583.2
2017 Q1 7,434 0 0 0.0
2016 Q4 4,298 4 0 930.7
2016 Q3 7,245 2 1 276.1
2016 Q2 7,344 0 0 0.0
2016 Q1 5,168 4 0 774.0
2015 Q4 6,380 0 0 0.0
2015 Q3 5,135 0 0 0.0
2015 Q2 6,894 5 1 725.3
2015 Q1 4,638 5 1 1078.1
2014 Q4 6,110 0 0 0.0
2014 Q3 6,484 0 0 0.0
2014 Q2 6,236 3 1 481.1
2014 Q1 5,903 0 0 0.0
2013 Q4 8,172 5 2 611.8
2013 Q3 9,433 0 0 0.0
2013 Q2 8,528 0 0 0.0
2013 Q1 6,516 6 1 920.8
2012 Q4 6,582 3 0 455.8
2012 Q3 10,025 0 0 0.0
2012 Q2 9,301 0 0 0.0
2012 Q1 8,335 3 0 359.9
2011 Q4 9,074 0 0 0.0
2011 Q3 8,628 0 0 0.0
2011 Q2 8,675 0 0 0.0
2011 Q1 6,556 11 3 1677.9
2010 Q4 8,467 0 0 0.0
2010 Q3 8,814 0 0 0.0
2010 Q2 7,927 4 1 504.6
2010 Q1 4,925 8 6 1624.4
2009 Q4 7,429 0 0 0.0
2009 Q3 9,775 1 0 102.3
2009 Q2 10,832 0 0 0.0
2009 Q1 8,828 4 2 453.1
2008 Q4 7,990 0 0 0.0
2008 Q3 9,962 0 0 0.0
2008 Q2 11,275 3 1 266.1
2008 Q1 8,489 0 0 0.0
2007 Q4 9,487 0 0 0.0
2007 Q3 10,856 0 0 0.0
2007 Q2 11,721 0 0 0.0
2007 Q1 7,700 0 0 0.0
2006 Q4 7,969 0 0 0.0
2006 Q3 10,564 0 0 0.0
2006 Q2 10,986 0 0 0.0
2006 Q1 13,235 1 0 75.6
2005 Q4 8,867 0 0 0.0
2005 Q3 8,834 0 0 0.0
2005 Q2 10,051 0 0 0.0
2005 Q1 11,883 3 0 252.5
2004 Q4 10,737 0 0 0.0
2004 Q3 10,350 0 0 0.0
2004 Q2 10,746 0 0 0.0
2004 Q1 7,688 0 0 0.0
2003 Q4 7,784 0 0 0.0
2003 Q3 9,066 0 0 0.0
2003 Q2 9,619 0 0 0.0
2003 Q1 6,728 0 0 0.0
2002 Q4 10,823 0 0 0.0
2002 Q3 488 0 0 0.0
2002 Q2 642 0 0 0.0
2002 Q1 1,007 0 0 0.0
2001 Q4 1,100 0 0 0.0
2001 Q3 1,357 3 0 2210.8
2001 Q2 1,619 0 0 0.0
2001 Q1 5,419 0 0 0.0
2000 Q4 6,475 0 0 0.0
2000 Q3 5,139 0 0 0.0
2000 Q2 4,485 0 0 0.0
2000 Q1 6,418 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

26 on file

2023 · 1 incident

August 21, 2023 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver DISORDERS (PHYSICAL AGENTS)

Miner got over heated loading shot

2015 · 1 incident

2011 · 1 incident

June 30, 2011 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator DISORDERS (PHYSICAL AGENTS)

Employee suffered heat exhaustion during work. He missed work starting 7/1/2011. He was released back to work on 7/8/2011.

2010 · 1 incident

November 8, 2010 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Schildberg Construction Company Inc · Over-exertion (Not Elsewhere Classified)

Employee began missing 1/24/2011 for surgery on left knee. On November 8, 2010 employee twisted knee, but did not seek treatment at that time. This is the first lost time with this injury. Has not been released for work since surgery.

2009 · 1 incident

September 2, 2009 IA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Schildberg Construction Company Inc · Struck by rolling or sliding object

Employee was removing a receiver hitch from a pickup. The tie bolt rolled off of bumper and cut his thumb. Employee received stitches and was released back to work the same day with no restrictions.

2008 · 2 incidents

July 1, 2008 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
Schildberg Construction Company Inc · Struck by falling object

Employee was digging rock out of the breaker when a rock broke loose and fell on his hand causing bruising. Went to doctor & had x-ray, nothing broken. Did not receive report in office until 7/14/2008

May 12, 2008 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Schildberg Construction Company Inc · Struck by... (Not Elsewhere Classified)

While working on hammermill, got cut on right hand. No accident report was filed. When injury healed, he realized there was metal stuck in his hand. He had surgery to remove it on 6/25/08 and was off work until 6/30/08. Missed 3 days of work.

2006 · 1 incident

2004 · 1 incident

January 16, 2004 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Schildberg Construction Company Inc · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS SCRAPING LIME DUST THAT WAS STUCK ON THE INSIDE OF THE MAIN SCREEN BIN. HE STATED THAT HE TWISTED HIS BODY TO REACH A CORNER AND STRAINED HIS BACK.

2000 · 1 incident

1999 · 2 incidents

September 14, 1999 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Schildberg Construction Company Inc · Fall onto or against objects

WHILE WALKING FROM SCALEHOUSE. TO PLANT AFTER LUNCH EE LOST HIS FOOTING WHILE PASSING THROUGH THE NORTHWEST GAVE HITTING HIS RIGHT HAND ON THE GATE HINGE BOLT.

January 7, 1999 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Schildberg Construction Company Inc · Over-exertion in lifting objects

EE IS A QUARRY TRUCK DRIVER AND WAS HAULING ROCK OUT OF THE PIT. EE SAW WERE A ROCK APPROX 100-150LBS HAD FALLEN OUT OF A TRUCK AHEAD OF HIM. HE STOPPED OT MOVE THE ROCK TO THE SIDE OF THE R OAD. AS HE ROLLED AND LIFTED THE ROCK HE PULLED A MUSCLE IN HIS GROIN AREA. EE RECEIVED PROPER MEDICAL CARE.

1998 · 4 incidents

December 8, 1998 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Schildberg Construction Company Inc · Struck by... (Not Elsewhere Classified)

EE WAS INSTALLING BOLTS ON THE FEEDER WING. THE FEEDER WAS ALREADY IN PLACE AND WAS UP AGAINST THE HEADWALL. EE WAS WORKING VERY CLOSE TO ONE OF THE CABLES. THIS PARTICULAR CABLE HAD BEEN FRAY ED ON THE END. AS EE HAD TIGHTENED THE BOLT, HE TURNED HIS HEAD. AS HE DID THIS, THE WIRE ENTERED HIS RIGHT EAR.

July 29, 1998 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver OTHER
Schildberg Construction Company Inc · Absorption of radiations, caustics, toxic and noxious substances

EE WAS OPERATING A CAT ROAD GRADER. HE WAS GETTING ALONG FINE UNTIL A BEE LNADED ON HIS LEFT ARM & STUNG HIM. EE DID NOT THINK MUCH ABOUT THE STING UNTIL LATER WHEN HE WAS NOT FEELING WELL. EE WAS TAKEN TO HOSPITAL TO BECHECKED OUT. EE SUFFERED A REACTION THE BEE STING. HE HAD NO PREVIOUS PROBLEMNS RELATED TO THIS. EE RETURNED TO WORK.

July 27, 1998 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
Schildberg Construction Company Inc · Struck by flying object

EE WAS CLEANING UP AROUND PLANT USING A CASE SKIDLOADER WITH A DRAG ATTACHMENT MOUNTED TO THE BUCKET. THE CONDITIONS THAT DAY WAS WARM.WIND WAS BROWING LOOSE MATERIAL ACROSS THE PLANT. AS EE W AS PULLING THE LOOSE MATERIAL WITH THE DRAG, DUST HAD GOTTEN BEHIND HIS SAFETY GLASSES AND THE SWEAT FROM HIS FORHEAD CAUSED HIS EYE TO BECOME IRRITATED.

February 6, 1998 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech IGNITION OR EXPLOSION OF GAS OR DUST
Schildberg Construction Company Inc · Contact with hot objects or substances

EE ARRIVED AT WORK AND WENT INTO SHOP. THE TEMPERATURE IN SHOP FELT A LITTLE COOLER THAN NORMAL SO HE DECIDED TO CHECK OIL FURANCE. AS HE OPENED DOOR OXYGEN RUSHED IN WHICH CAUSED A FLASHBACK. AN INVESTIGATION SOON WAS UNDERWAY AND IT WAS DISCOVERED THAT A BUIL UP OF CARBON IN BOTTOM OF PAN CAUSED THE OK TO DRIP OUTSIDE OF PAN ON FRUANCE WALLS OIL IGNITED WHEN DOOR WAS OPENED.

1997 · 1 incident

October 15, 1997 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Schildberg Construction Company Inc · Absorption of radiations, caustics, toxic and noxious substances

EE WA REPAIRING A BATTERY CABLE THAT WAS LOOSE. HE SPRAYED THE BATTERY BOLT WITH A PENETRATING OIL. SO IT COULD BE TIGHTENED UP. AS HE SET THE PENETRATING CAN DOWN ON TEH BATTERY, IT FELL OV ER AND CAME IN CONTACT WITH POSIT8IIVE POST AND SHORTED OUT. THE CAN BURST CAUSING THE BURN. ZEP 45 WAS THE PENETRATING OIL AND IT IS A TALL CAN. SPRAY CANS WILL BE KEPT CLEAR OF BATTERY.

1996 · 2 incidents

June 12, 1996 IA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Schildberg Construction Company Inc · Struck against a moving object

THEY WERE STRIPING DIRT, ONE GOING UP HILL, ONE GOING DOWN. HIT EACH OTHER. OPERATOR ERROR. DAMAGE TO EQUIPMENT EXTENSIVE. IMPAIRMENT TO PERSON NONE.

June 12, 1996 IA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Schildberg Construction Company Inc · Struck against a moving object

THEY WERE STRIPPING DIRT, ONE GOING UP HILL, ONE GOING DOWN. HIT EACH OTHER. OPERATOR ERROR. DAMAGE TO EQUIPMENT EXTENSIVE. IMPAIRMENT NONE TO PERSONS.

1993 · 2 incidents

November 17, 1993 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech EXPLODING VESSELS UNDER PRESSURE
Consumer Limestone Products Company · Absorption of radiations, caustics, toxic and noxious substances

THE EMPLOYEE WAS ATTEMPTING TO GREASE A HINGE PIN ON A DUMP TRUCK. THE FITTING WAS PLUGGED WITH LIME, AND WHEN THE EMPLOYEE PUT PRESSURE ON THE GREASE GUN, IT RUPTURED THE HOSE CAUSING THE GRE ASE TO COME OUT THE SIDE OF HOSE.

April 19, 1993 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Consumer Limestone Products Company · Struck by flying object

THE EMPLOYEE WAS TRYING TO DISLODGE A ROCK THAT WAS STUCK IN THE THROAT OF THE IMPACT BREAKER. A SMALL ROCK CHIP FLEW OUT OF THE BREAKER, STRIKING THE LEFT EYE OF THE EMPLOYEE.

1992 · 1 incident

January 31, 1992 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
Consumer Limestone Products Company · Struck by falling object

CREW HAD EMPLOYED THE CAT 998 LOADER TO ELEVATE SCREENING PLANT IN ORDER TO MOVE THE DOLLIES UNDER THE PLANT APPARENTLY SOME MUD HAD STUCK TO THE UNDERSIDE OF THE LOADER BUCKET T HE EMPLOYEE WALKED UNDER THE RAISED BUCKET TO TRIP THE FIFTHWHEEL LOCK A CHUNK OF MUD FELL OFF THE BUCKET STRIKING THE EMPLOYEE ON HIS HEAD CAUSING HIM TO FALL TO THE GROUND INJURING HIS HIP & SHOULDER EM

1991 · 4 incidents

August 27, 1991 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE

HE WAS ASSISTING WITH REPLACEMENT OF HEAD PULLEY BEARING ON IMPACT BREAKER. CAT 980 ENDLOADER WAS BEING USED WITH CHAIN BEARING. AFTER REPAIRS WERE COMPLETED CHAIN WAS PLACED IN LOADER BUCKET. UNKOWN TO LOADER OPERATOR EMPL WAS ALSO IN LOADER BUCKET LOADER OPERATOR BACKED AWAY FROM WORK AREA & TILTED BUCKET DOWN CAUSING EMPL TO FALL ABOUT 6'. EMPL'S LEFT ELBOW WAS FRACTURED.

June 14, 1991 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Consumer Limestone Products Company · Caught in, under or between a moving and a stationary object

HE WAS HAOLDING ONTO THE HAND RAIL ON TOP OF THE TRUCK CAB WITH HIS LEFT HAND WHEN HE HIT A BUMP.THE DUMP BOX BOUNCED,PINCHING THE INDEX FINGER AND MIDDLE FINGERS OF LEFT HAND BETWEEN THE HAND RAIL AND THE DUMP BOX.

May 7, 1991 IA · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Consumer Limestone Products Company · Caught in, under or between two or more moving objects

HE WAS HELPING A CUSTOMER REMOVE EXCESS ROCK FROM TAIL-GATE OF TRUCK. CUSTOMER OPENED TAIL-GATE, HE CAUGHT THE CONTROL CHAIN, AND THE TAILGATE CAUSED A PINCH POINT WITH THE CHAIN. THE MIDDLE FINGER OF THE RIGHT HAND WS BROKE NIN 4 PLACES, INCLUDING THEKNUCKLE ONT HE TOP OF THE HAND. HE POSSIBLY WILL LOOSE THE FINGER.

April 9, 1991 IA · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
Consumer Limestone Products Company · Struck by... (Not Elsewhere Classified)

HE WA HELPING PUT A BRACE ON PLANT DISCHARGE CONVEYOR. WE WERE USING THE ENDLOADER WITH A CHAIN TO LIFT THE BRACE IN PLACE. TWO MEN WERE ON THE GROUND HOLDING ONE END OF THE BRACE. HE WAS O N THE PLANT CUASED THE OTHER END TO GO UP. THE CHAIN CAME UNHOOKED AND THE BRACE FELL, STRIKING HIM ON THE LEFT SIDE OF THE STOMACH.

For insurers, brokers, and safety consultants

The full compliance file on Plant #8

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.