Mining Incidents

McCloskey Mobile Screener #1602-306 Metal/Non-Metal

Antczak Aggregate Producers LLC · Surface
Controlled by Jeff Antczak
Cameron, Barron County, WI  ·  Abandoned
MSHA Mine ID: 4703878

MSHA record for McCloskey Mobile Screener #1602-306 (mine ID 4703878). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
0
Years on record
Latest incident
Inspection activity
MSHA inspections since 2020
6
inspections on record
51
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: 51 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: 2023-12-19
0%
of limit-tested samples over the exposure limit
3
samples
1
limit-tested
Most sampled contaminants
  • Respirable dust, <.1mg2
  • Nuisance dust, total, <1% Qtz1
Show the individual readings (3)
Date Contaminant Concentration Limit Conc / limit Occupation
2023-12-19 Respirable dust, <.1mg 0 Front-end Loader Operator
2021-03-31 Nuisance dust, total, <1% Qtz 0.6 10 0.06 Front-end Loader Operator
2020-09-02 Respirable dust, <.1mg 0 Dry Screen Plant 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. Antczak Aggregate Producers LLC 2020 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2024 1
2023 3
2022 3
2021 5
2020 2
Source: MSHA quarterly employment and production, updated weekly.

McCloskey Mobile Screener #1602-306 sits in Barron County, Wisconsin, where the Census mining category is 0.7% 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.
Barron County, Wisconsin · Population 46,741
0.7%
Mining share of county employment
$64,619
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
2024 Q4 0 0 0
2024 Q3 27 0 0 0.0
2024 Q2 0 0 0
2024 Q1 181 0 0 0.0
2023 Q4 200 0 0 0.0
2023 Q3 0 0 0
2023 Q2 156 0 0 0.0
2023 Q1 27 0 0 0.0
Show 11 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2022 Q4 57 0 0 0.0
2022 Q3 106 0 0 0.0
2022 Q2 241 0 0 0.0
2022 Q1 0 0 0
2021 Q4 127 0 0 0.0
2021 Q3 320 0 0 0.0
2021 Q2 429 0 0 0.0
2021 Q1 92 0 0 0.0
2020 Q4 163 0 0 0.0
2020 Q3 567 0 0 0.0
2020 Q2 0 0 0

No reportable incidents on file.

MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.