Mining Incidents

PLANT #5: 4 MSHA citations Metal/Non-Metal

Controlled by Mark Schildberg
Greenfield, Adair County, IA  ·  Abandoned
MSHA Mine ID: 1302087

PLANT #5 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
21
Years on record
1985–2003
Latest incident
Jan 2003
Compliance record
MSHA citations since 2001
4
citations
1
significant & substantial
$1,768
proposed penalties
$1,768
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
7
inspections on record
90
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: 90 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

PLANT #5 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
4 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2003-03-12.
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.
25.0%
significant & substantial
0.0%
high negligence or reckless
25.0%
reasonably likely or greater
100.0%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 25.0% low, 75.0% moderate, 0.0% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, 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: 2003-03-12, 23 years ago
0%
of limit-tested samples over the exposure limit
4
samples
3
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz3
  • Respirable dust, <.1mg1
Show the individual readings (4)
Date Contaminant Concentration Limit Conc / limit Occupation
2003-03-12 Quartz, respirable, >1% Qtz 0.68 1.16 0.59 Crusher Oper/Worker
2003-03-12 Quartz, respirable, >1% Qtz 0.82 1.28 0.64 Laborer, Bullgang
2003-03-12 Quartz, respirable, >1% Qtz 0.51 1.25 0.41 Crusher Oper/Worker
2003-03-12 Respirable dust, <.1mg 0 Truck Driver
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.

PLANT #5 recorded 0.00 reportable injury cases per 100 full-time workers in 2002.

Injury rate, 2002
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 4.17 and the all-US-mining average was 5.05 cases per 100 workers.
In Iowa, metal and nonmetal mining averaged 4.73 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
2002 * 0.00 0.00 0.000
2001 * 0.00 0.00 0.000
2000 * 9.38 4.69 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. Gendler Stone Products Company Inc 1985 to 1986
  2. Schildberg Construction Company Inc 1986 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2003 17
2002 16
2001 18
2000 20
Source: MSHA quarterly employment and production, updated weekly.

PLANT #5 sits in Adair County, Iowa, where the Census mining category is 1.3% 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.
Adair County, Iowa · Population 7,471
1.3%
Mining share of county employment
$66,176
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
2003 Q1 7,607 2 0 262.9
2002 Q4 11,175 0 0 0.0
2002 Q3 11,450 0 0 0.0
2002 Q2 8,352 0 0 0.0
2002 Q1 7,933 0 0 0.0
2001 Q4 7,824 0 0 0.0
2001 Q3 7,782 0 0 0.0
2001 Q2 3,314 0 0 0.0
Show 5 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2001 Q1 6,499 2 1 307.7
2000 Q4 7,754 0 0 0.0
2000 Q3 11,744 0 0 0.0
2000 Q2 12,177 0 0 0.0
2000 Q1 10,975 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

21 on file

2003 · 1 incident

January 15, 2003 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

REPORTEDLY THE EMPLOYEE WHILE OPERATING A LOADER, BACK OVER A LARGE BOULDER. WHEN THE LOADER DROPPED FROM THE BOULDER THE EMPLOYEE WAS SEVERELY SHAKEN AND COULD NOT MOVE HIS RIGHT ARM.

2000 · 2 incidents

September 18, 2000 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Schildberg Construction Company Inc · Struck by falling object

EE WAS REMOVING A BROKEN AXLE FROM A TEREX 3305 QUARRY TRUCK AND THE AXLE SLIPPED AND DROPPED ON HIS LEFT FINGER CUTTING IT.

February 9, 2000 IA · Metal/Non-Metal truck driver HANDLING OF MATERIALS
Schildberg Construction Company Inc · Caught in, under or between (Not Elsewhere Classified)

EE WAS HELPING TO MOVE CONVEYOR BELT SPLICE INTO PLACE BY MANUALLY PULLING ON THE DRIVE BELT AND CAUGHT HIS FINGER IN THE PINCH POINTS. EQUIPMENT WAS LOCKED OUT AT THE TIME OF ACCIDENT.

1999 · 2 incidents

September 14, 1999 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 · Fall onto or against objects

EE WAS STEPPING OUT OF HIS TRUCK AND HIS FOOT SLIPPED FROM STEP & HE HIT HIS TAILBONE ON THE HOIST LEVER

August 11, 1999 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON

EE WAS WORKING ON REED SCREEN PUNCH PLATE AND WHILE STEPPING DOWN HE SLIPPED AND HURT HIS NECK RECEIVING A SLIGHT WHIPLASH.

1998 · 1 incident

July 30, 1998 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Schildberg Construction Company Inc · Contact with hot objects or substances

EE WAS REPLACING END CAPS IN TROUGHING ROLLERS. HE WAS USING A SMALL CUTTING TORCH TO HEAT UP END CAPS AND ALSO HAD A 8" PRY BAR TO POP CAPS OUT AS HE HEATED END CAP WITH ONE HAND THE WOULD TH EN USE THE PRY BAR IN HIS RIGHT HAND TO POP IT OPPED OUT AND WENT IT DID THE TORCH IN HIS OTHER HAND CAME ACROSS THE BACK OF HIS RIGHT HAND. BURNING HIM.

1997 · 2 incidents

October 9, 1997 IA · Metal/Non-Metal loader head operator, roscoe operator HANDLING OF MATERIALS
Schildberg Construction Company Inc · Over-exertion in lifting objects

EE WAS CHANGING OIL IN HIS LOADER. HE WAS USING A OIL DRAIN PAN TO CATCH THE OIL. THE OIL DRAIN PAN WAS A 55 GAL BARREL THAT HAD BEEN CUT DOWN APPROX 1/3 OF IT ORIGINAL HEIGHT. EE DRAINED THE OIL IN THE BARREL AND WAS ATTEMPTING TO PICK IT UP. AS HE DID HE BACK POPPED. EE SAID THAT HE DID NOT USE HIS LEGS TO DO THE LIFTING. THE WEIGHTOF THE PAN & OIL HAVE BEEN AROUND 50LBS.

April 24, 1997 IA · Metal/Non-Metal rock driller MACHINERY
Schildberg Construction Company Inc · Struck against a moving object

EMP WAS DRILLING HOLES IN ROCK LEDGE AND WAS PREPARING TO MOVE DRILL TO NEXT LOCATION. AS EMP MOVED DRILL STEP ON WHICH HE WAS STANDING RAN OVER 8" ROCK CAUSING STEP TO BE THRUST UPWARD AND TH EN CAME DOWN SHARPLY. AS EMP CAME DOWN KNEE WAS SOMEWHAT TWISTED. THIS CAUSED A SPRAIN TO RIGHT KNEE. LEDGE WILL BE FREE OF ANY LOOSE OR FOREIGN MATERIAL BEFORE DRILLING.

1995 · 2 incidents

February 16, 1995 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
Schildberg Construction Company Inc · Contact with hot objects or substances

EE AND A FELLOW EE WERE ADJUSTING DRIVE BELTS ON THE BREAKER BELT. EE WAS USING A TORCH TO HEAT UP THE ADJUSTER BOLTS. AFTER HEATING THE ADJUSTER BOLTS, THE TORCH WAS LAID ON THE BELT STILL LI T. EE STEPPED BACK CLOSE TO THE TORCH AND BURNEDHIS LEFT FOOT. HE HAS BEEN INSTRUCTED NOT TO SET TORCH DOWN WHILE LIT.

February 2, 1995 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)

EE WAS PREPARING TO UNLOAD THE POWDER PICKUP. EE HELPS ANOTHER EE, THE DRILLER FOR PLANT #5 . AS EE WAS CARRYING A 55 LB CASE OF TOVEX HE SLIPPED IN SOME MUD ON THE LEDGE. EE SUFFERED LOWER BA CK PAIN. EE STARTED USING A BACK BELT WHEN HE RETURNED TO WORK. EE HAS BEEN TRAINED IN THE USE OF BACK BELTS.

1994 · 3 incidents

1993 · 1 incident

March 12, 1993 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 · Over-exertion in lifting objects

THE CONDITIONS AT THE QUARRY WERE DAMP AND THE MATERIAL INTEH BINS HAVE TO BE OCCASIONALLY SCRAPED OUT. HE WAS BENT OVER THE RAILING WHILE SCRAPING THE WALLS OF THE BIN. THE SCRAPER IS APPROX 14' IN LENGTH. WHILE SCRAPING PULLED A MUSCLE IN HIS BACK. HE WAS JUST TRAINED IN PROPER LIFTING AND IN THE POSITION ONE SHOULDER NOT BE IN WHEN PRYING, LIFTING AND PULLING.

1990 · 1 incident

October 8, 1990 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver OTHER
Schildberg Construction Company Inc · (Not Elsewhere Classified)

HE WAS SITTING IN HIS OWN VEHICLE WAITING FOR HIS SHIFT TO START WHEN HE BECAME ILL. HE WAS TAKEN TO THE HOSPITAL WITH AN APPARENT HEART ATTACKI.

1988 · 3 incidents

November 22, 1988 IA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
Schildberg Construction Company Inc · Fall to the walkway or working surface

THE INJURED PERSON WAS STARTING A WATER PUMP WHEN THE DISCHARGBE HOSE RELEASED FROM THE PUMP. THE FORCE OF THE WATER CAUSED HIM TO FALL TO THE GROUND LANDING ON HIS RIGHT ARM.

September 12, 1988 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)

THE PLANT WAS SETTING UP TO BEGIN OPERATIONS AFTER MOVING AND WAS SHUT DOWN AT THE TIME OF THE ACCIDENT THE INJURED PERSON WAS ADJUSTING THE SUPPORT BRACKETS FOR THE CONVEYOR BELT ON A BIN HE WAS STANDING IN THE BACK OF A PICK UP TRUCK USING A SOCKET RATCHET WRENCH WITH A CHEATER PIPE ON THE HANDLE OF THE WRENCH THE CHEATER PIPE SLIPPED AND HE FELL TO THE GROUND

January 25, 1988 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

THE OVERHEAD CONVEYOR BELT ON THE SCREENING PLANT BECAME OVERLOADED AND THE INJURED MAN WAS ATTEMPTING TO REMOVE PART OF THE CRUSHED STONE WITH A HAND SHVEL WHEN HE TWISTED HIS BACK THE DR IND ICATED THAT THE PROBLEM COULD BE BAD KIDNEYS AND NOT AN INJURY. AT THE TIME OF THIS REPORT HE DID NOT KNOW WHICH IT WAS.

1986 · 2 incidents

May 30, 1986 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 · Struck by falling object

INSTALLING NEW 6ATTERY IN 980 CAT FRONTEND LOADER SEAT FELL ON HAND BREAKING RING FINGER ON LEFT HAND.

1985 · 1 incident

September 10, 1985 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Gendler Stone Products Company Inc · Fall to lower level, (Not Elsewhere Classified)

REMOVING AIR FILTER ON TOP OF BIG DIESEL ENGINE TAKING OUT BOLTS ONE BOLT WAS STILL IN PLACE BUT FILTER GAVE WAY KNOCKING HIM OVER GUARD RAIL 4 OR 5 FT TO CEMENT FLOOR THEY W E R FREEING THE FILTER TO B E LIFTED OFF BY HOIST