Mining Incidents

Shop-Natural Materials LLC: 112 MSHA citations Metal/Non-Metal

Natural Materials LLC · Surface
Logan, Harrison County, IA  ·  Abandoned
MSHA Mine ID: 1300012

Shop-Natural Materials LLC has $15K in proposed MSHA penalties and $2K outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
17
Years on record
1988–1998
Latest incident
Nov 1998
Compliance record
MSHA citations since 2000
112
citations
25
significant & substantial
$14,847
proposed penalties
$13,252
paid to date
89% of proposed penalties paid to date, a $1,595 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
34
inspections on record
402
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: 402 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Shop-Natural Materials LLC has $15K in proposed MSHA penalties and $2K 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.
$15K
proposed penalties
$15K
current assessed
$13K
paid to date
$2K
outstanding
112 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2007-07-09.
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.
22.3%
significant & substantial
5.4%
high negligence or reckless
22.3%
reasonably likely or greater
83.0%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 0.9% low, 93.8% moderate, 5.4% 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: 2004-02-18, 22 years ago
9%
of limit-tested samples over the exposure limit
13
samples
11
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz61 over
  • Nuisance dust, respirable, <1% Qtz5
  • Respirable dust, <.1mg2
Show the individual readings (13)
Date Contaminant Concentration Limit Conc / limit Occupation
2004-02-18 Quartz, respirable, >1% Qtz 1.44 1.24 1.16 Crusher Oper/Worker
2004-02-18 Quartz, respirable, >1% Qtz 0.37 2.03 0.18 Laborer, Bullgang
2004-02-18 Quartz, respirable, >1% Qtz 0.2 1.6 0.13 Laborer, Bullgang
2004-02-18 Nuisance dust, respirable, <1% Qtz 0.12 10 0.01 Laborer, Bullgang
2004-02-18 Nuisance dust, respirable, <1% Qtz 0.25 10 0.03 Laborer, Bullgang
2002-01-23 Respirable dust, <.1mg 0 Truck Driver
2002-01-23 Nuisance dust, respirable, <1% Qtz 0.23 10 0.02 Backhoe Operator
2002-01-23 Quartz, respirable, >1% Qtz 0.25 2.02 0.12 Truck Driver
2002-01-23 Nuisance dust, respirable, <1% Qtz 0.14 10 0.01 Truck Driver
2002-01-23 Nuisance dust, respirable, <1% Qtz 0.21 10 0.02 Crusher Oper/Worker
2000-07-12 Quartz, respirable, >1% Qtz 0.22 1.74 0.13 Truck Driver
2000-07-12 Respirable dust, <.1mg 0 Truck Driver
2000-07-12 Quartz, respirable, >1% Qtz 0.29 1.2 0.24 Crusher Oper/Worker
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.

Shop-Natural Materials LLC recorded 0.00 reportable injury cases per 100 full-time workers in 2004.

Injury rate, 2004
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 3.73 and the all-US-mining average was 4.33 cases per 100 workers.
In Iowa, metal and nonmetal mining averaged 3.06 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
2004 * 0.00 0.00 0.000
2003 * 0.00 0.00 0.000
2002 * 0.00 0.00 0.000
2001 * 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. Clark Limestone Company 1950 to 1998
  2. Western Iowa Limestone, Inc. 1998 to 2006
  3. Natural Materials LLC 2006 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2007 1
2006 2
2005 1
2004 28
2003 15
2002 14
2001 14
2000 16
Source: MSHA quarterly employment and production, updated weekly.

Shop-Natural Materials LLC sits in Harrison County, Iowa, where the Census mining category is 0.5% 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.
Harrison County, Iowa · Population 14,645
0.5%
Mining share of county employment
$77,027
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
2007 Q3 0 1 0
2007 Q2 65 0 0 0.0
2007 Q1 40 4 1 100000.0
2006 Q4 640 0 0 0.0
2006 Q3 556 8 2 14388.5
2006 Q2 400 0 0 0.0
2006 Q1 385 4 1 10389.6
2005 Q4 457 0 0 0.0
Show 22 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2005 Q3 560 25 8 44642.9
2005 Q2 480 0 0 0.0
2005 Q1 348 18 3 51724.1
2004 Q4 18,584 1 1 53.8
2004 Q3 14,141 0 0 0.0
2004 Q2 13,981 0 0 0.0
2004 Q1 9,088 6 0 660.2
2003 Q4 8,016 0 0 0.0
2003 Q3 8,411 0 0 0.0
2003 Q2 7,760 0 0 0.0
2003 Q1 6,819 2 0 293.3
2002 Q4 8,933 0 0 0.0
2002 Q3 9,666 0 0 0.0
2002 Q2 6,025 0 0 0.0
2002 Q1 6,681 2 0 299.4
2001 Q4 9,940 0 0 0.0
2001 Q3 9,231 11 2 1191.6
2001 Q2 9,224 0 0 0.0
2001 Q1 8,217 2 2 243.4
2000 Q4 8,181 0 0 0.0
2000 Q3 9,093 4 0 439.9
2000 Q2 10,483 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

17 on file

1998 · 1 incident

1995 · 2 incidents

May 17, 1995 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Clark Limestone Company · Struck against a moving object

EE WAS RIDING UP A HILL, OUT OF THE PIT WITH A DRIVER, WHOM HE WAS TRAINING TO DRIVE. THEY REACHED THE CREST OF THE HILL, WHEN THE TRANSMISSION JUMPED OUT OF 1ST GEAR, CAUSING THE TRUCK TO ROL L BACK. BRAKES WERE APPLIED, BUT THE TRUCK WAS NOT STOPPING DUE TO IT BEING LOADED WITH MATERIAL. THE TRUCK TRAVELED APPROX 15 - 20' WHEN THE DRIVER TURNED IT INTO THE BANK AND ROLLING IT ON

January 27, 1995 IA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Clark Limestone Company · Fall from machine

PARKED FRONT END LOADER, NEAR THE SHOP WENT TO CLIMB DOWN OFF THE MACHINE AND MISSED THE LAST STEP ON THE MACHINE CAUSING HIM TO LAND ON HIS RIGHT ANKLE WRONG SNAPPING A SMALL BONE IN HIS RIGHT ANKLE. THIS MACHINE HAD A FACTORY INSTALLED CABLE STEP AT THE BOTTOM OF EACH LADDER GOING TO THE OPERATORS COMPARTMENT.

1994 · 1 incident

February 21, 1994 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
Clark Limestone Company · Struck by falling object

MATERIAL SHIFTED IN OFF-ROAD IT TRUCK AS TRUCK DRIVER WAS RAISIG THE BOX TO DUMP CONTENTS INTO CRUSHER FEEDER. A PIECE OF MATERIAL DEFLECTED VOER THE EDGE OFTHE TRUCK BOXHITTING HT EPLANT OEP RATOR ABOVE TH KNEE. OPERATOR WAS IN THE PROCESS OF MOVIGN BACK INTO OPERATOR BUILDIGN WHEN THIS HAPPENED.

1993 · 2 incidents

August 20, 1993 IA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Clark Limestone Company · Caught in, under or between (Not Elsewhere Classified)

WAS GETTING OFF A TRACK DOZER. STEPPED DOWN ONTO THE DOZER ARM AND HIS FOOT SLIPPED AND HIS LEG WENT DOWN IN BETWEEN THE DOZER ARM AND THE TRACKS. HE THEN FELL ON OVER ONTO THE GROUND, PINNING HIS LEF. INTIAL DIAGNOSIS AS OF THE REPORT STATES POSSIBLE TORN LIGAMENTS AND TENDON DAMAGE. HAS BEEN REFERRED TO AN ORTHOPEDIC SURGEON.

May 27, 1993 IA · Metal/Non-Metal rock driller MACHINERY
Clark Limestone Company · Struck by flying object

WAS REMOVING SAFETY GLASSES TO WIPE SWEAT FROM HIS EYES AND ROCK CHIP FROM THE DRILL CAME UP AND HIT HIM IN THE EYE. SLIGHT SCRATCHING OF THE CORNEA AND IRRITATION OF THE EYE FROM THE ROCK CHI P.

1992 · 3 incidents

December 16, 1992 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Clark Limestone Company · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS DIGGING FROZEN MUD OUT OF GRIZZLY CHUTE AT THE CRUSHER WITH A SHOP-MADE DIGGIN SPADE, ADN APPARENTLY THE DIGGINGMOTION PUT A STRAIN ON EMPLOYEE'S RIGHT SHOULDER. EMPLOYEE WAS DIG GING ON THIS OFF AND ON FOR APPROX 3 HRS, WITH OTHER EMPLOYEE'S TAKING TURNS. HE DID NOT SAY ANYTHING WAS WRONG TIL THE FOLLOWING MORNING 12-17-92.

November 19, 1992 IA · Metal/Non-Metal drill operator HANDLING OF MATERIALS
Clark Limestone Company · Over-exertion (Not Elsewhere Classified)

WAS DRILLING ROCK ON THE HERTHA LEDGE. LEDGE WAS WET AND MUDDY. MUD WAS ACCUMULATING ON THE DRILL SERVICE AIR HOSE ADDING MORE DRAG. EE WENT TO TPICK UP A SECTION OF THE HOSE TO MOVE IT OUT OF THE WAY AND STRAINED HIS LOWER BACK.

October 3, 1992 IA · Metal/Non-Metal drill operator HANDLING OF MATERIALS
Clark Limestone Company · Over-exertion in lifting objects

WAS SERVICING DRILL- AIR COMPRESSOR AND WAS LIFTING A FULL 5 GALLON CONTAINER OF 10 WT. MOTOR OIL TO POUR INTO COOLING TANK. LEANED SLIGHTLY OVER THE CAN WHILE POURING TO OBSERVE READING IN SI GHT GLASS. STRAINED THE LOWER PART OF HIS BACK.

1991 · 2 incidents

July 2, 1991 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Clark Limestone Company · Struck against a moving object

DRIVER OF R-20 HAUL TRUCK WAS RETURNING TO THE QUARRY EMPTY AND DID NOT PULL OVER FAR ENOUGH FOR LOADER R-20. DUST ON HAUL ROAD WAS A CONTRIBUTING FACTOR AND ALSO WINDY CONDITIONS BLOWING THE DUST. TOP CORNER OF TRUCK BOXES HOOKED TOGETHER, CAUSING EMPTY TRUCK TO STRIKE THE HAUL ROAD BERM.

1990 · 4 incidents

October 16, 1990 IA · Metal/Non-Metal drill operator MACHINERY
Clark Limestone Company · Struck by flying object

EMPL WAS OPERATING ROCK DRILL & CHIP OF ROCK FLEW OUT OF HOLE STRIKING HIM IN RIGHT EYE EYE WAS BRUISED.

October 5, 1990 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Clark Limestone Company · Struck against a moving object

DRIVER CAME IN TO SHOP & TOLD ME HE WAS SITTING IN THE TRUCK WHILE IT WAS BEING LOADED IN THE QU ARRY A LARGE ROCK FELLL OUT OF THE BUCKET CAUSING THE TRUCK TO BEFRASE WHICH CAUSED THE DRIVER TO BUMP INTO THE DOOR ON WHICH HE WAS LEANING HECOMPLAINED OF SORE RIBS SO WAS SENT TO DR IN MO VALLEY

September 27, 1990 IA · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
Clark Limestone Company · Caught in, under or between a moving and a stationary object

30 GAL DRUM TIPPED OVER ON STAND WHILE BEING SET UP PINNING RIGHT INDEX FINGER BETWEEN BARRELL STAND ( MIXING ANTI-FREEZE AT THE TIME).

July 18, 1990 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Clark Limestone Company · Struck by flying object

THE EUCLID TRUCK DRIVER WAS PICKING UP SOME PIECES OF ROCK IN FRONT OF THE FEEDER APRON, THAT HAD BEEN SPILLED OFF OF THE PREVIOUS HAUL TRUCK. A PIECE OF ROCK ABOUT HAND SIZE FLEW OUT OF THE FEEDER AND LANDED ON THE DRIVERS SHOULDER.

1988 · 2 incidents

October 19, 1988 IA · Metal/Non-Metal drill operator HANDTOOLS (NONPOWERED)
Clark Limestone Company · Struck against stationary object

I.NAME WAS REPLACING THE FLASHING ON THE HOPPER BIN ON THE ROCK CRUSHER A 9/16 END WSRENCH SLIPPED OFF OF A NUT CAUSING HIM TO STRIKE HIS SWRIST AGAINST A METAL BIN

March 19, 1988 IA · Metal/Non-Metal drill operator FIRE
Clark Limestone Company · Contact with hot objects or substances

I.NAME WAS REMOVING CUTTING EDGES FROM CRAWLER TRACTOR C-24 WAS CUTTING NUTS OFF OF BOLTS WITH THE ACETYLENE TORCH A PIECE OF HOT METAL SET HIS GLOVE ON FIRE BURNING THE INDEX FINGER ON HIS R IGHT HAND