Mining Incidents

#5734 Nordberg Impactor: 5 reportable incidents Metal/Non-Metal

Controlled by Paul T Ayres
Closing, Eau Claire County, WI  ·  Abandoned
MSHA Mine ID: 4703161

MSHA record for #5734 Nordberg Impactor (mine ID 4703161). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
5
Years on record
1999–2001
Latest incident
Sep 2001
Inspection activity
MSHA inspections since 2000
9
inspections on record
58
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: 58 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, 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: 2003-11-19, 22 years ago
0%
of limit-tested samples over the exposure limit
2
samples
2
limit-tested
Most sampled contaminants
  • Nuisance dust, total, <1% Qtz2
Show the individual readings (2)
Date Contaminant Concentration Limit Conc / limit Occupation
2003-11-19 Nuisance dust, total, <1% Qtz 0 10 0.00 Crusher Oper/Worker
2003-11-19 Nuisance dust, total, <1% Qtz 0 10 0.00 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.
Ownership history
  1. American Materials Corp 1998 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2004 2
2003 2
2002 3
2001 3
2000 3
Source: MSHA quarterly employment and production, updated weekly.

#5734 Nordberg Impactor sits in Eau Claire County, Wisconsin, 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.
Eau Claire County, Wisconsin · Population 106,328
0.1%
Mining share of county employment
$71,834
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
2004 Q4 406 0 0 0.0
2004 Q3 1,205 0 0 0.0
2004 Q2 1,329 0 0 0.0
2004 Q1 0 0 0
2003 Q4 1,724 0 0 0.0
2003 Q3 1,873 0 0 0.0
2003 Q2 1,525 0 0 0.0
2003 Q1 218 0 0 0.0
Show 12 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2002 Q4 1,500 0 0 0.0
2002 Q3 2,296 0 0 0.0
2002 Q2 1,399 0 0 0.0
2002 Q1 841 0 0 0.0
2001 Q4 881 0 0 0.0
2001 Q3 2,341 0 0 0.0
2001 Q2 1,405 0 0 0.0
2001 Q1 250 0 0 0.0
2000 Q4 919 0 0 0.0
2000 Q3 1,450 0 0 0.0
2000 Q2 2,251 0 0 0.0
2000 Q1 1 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

5 on file

2001 · 1 incident

September 20, 2001 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
American Materials Corp · Over-exertion in pulling or pushing objects

EMPLOYEE REPORTED PUSHING ON DUMP LEVER TO LOWER BOX AND A TINGLE WENT DOWN HIS ARM.

2000 · 2 incidents

July 14, 2000 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer OTHER
American Materials Corp · (Not Elsewhere Classified)

EMPLOYEE HAD A DIABETIC REACTION AND WAS TRANSPORTED FROM SITE BY AMBULANCE.

May 8, 2000 WI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
American Materials Corp · Fall to the walkway or working surface

EE LOST BALANCE WHILE LIFTING SCREEN FROM RAILS AND FELL ON LEFT HAND.

1999 · 2 incidents

August 9, 1999 WI · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
American Materials Corp · Struck by rolling or sliding object

EMPLOYEE REPORTED THAT WHEN CLEANING A PIECE OF REBAR FROM A DISCHARGE CHUTE, A PIECE OF RECYCLED CONCRETE DISLODGED AND SLID DOWN THE CHUTE HITTING EMPLOYEE'S HAND AND FINGER.

June 18, 1999 WI · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor STEPPING OR KNEELING ON OBJECT
American Materials Corp · Struck against stationary object

EMPLOYEE WAS RUNNING ACROSS QUARRY FLOOR TO STOPA PLUGGED MACHINE AND STEPPED ON A TENNIS BALL SIZED ROCK, INJURING HIS LEFT FOOT. WHEN THE INJURY BECAME MORE PAINFUL, MEDICAL ATTENTION WAS SO UGHT.