Mining Incidents

Portable Finlay: 15 MSHA citations Metal/Non-Metal

Controlled by Genoak Materials Inc
Holly, Oakland County, MI  ·  Intermittent
MSHA Mine ID: 2003053

Portable Finlay 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
10
Years on record
1999–2016
Latest incident
Jun 2016
Compliance record
MSHA citations since 2001
15
citations
5
significant & substantial
$1,672
proposed penalties
$1,672
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
31
inspections on record
373
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: 373 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Portable Finlay 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
15 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2022-03-21.
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.
33.3%
significant & substantial
0.0%
high negligence or reckless
33.3%
reasonably likely or greater
60.0%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 0.0% low, 100.0% 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: 2026-03-04
0%
of limit-tested samples over the exposure limit
17
samples
7
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz10
  • Respirable dust, <.1mg5
  • Unlisted Particulate, respirable, <1% Qtz2
Show the individual readings (17)
Date Contaminant Concentration Limit Conc / limit Occupation
2026-03-04 Respirable dust, <.1mg 0 Utility Man
2026-03-04 Respirable dust, <.1mg 0 Utility Man
2024-09-17 Quartz, respirable, >1% Qtz 0.19 Front-end Loader Operator
2024-09-17 Respirable dust, <.1mg 0 Crusher Oper/Worker
2024-09-17 Quartz, respirable, >1% Qtz 0.34 Front-end Loader Operator
2021-03-09 Quartz, respirable, >1% Qtz 0.16 Crusher Oper/Worker
2016-11-15 Unlisted Particulate, respirable, <1% Qtz 0.17 Front-end Loader Operator
2010-11-18 Respirable dust, <.1mg 0 Front-end Loader Operator
2004-11-16 Quartz, respirable, >1% Qtz 0.12 0.6 0.20 Front-end Loader Operator
2004-11-16 Quartz, respirable, >1% Qtz 0.29 1.51 0.19 Dry Screen Plant Operator
2003-11-06 Quartz, respirable, >1% Qtz 0.24 1.82 0.13 Front-end Loader Operator
2003-11-06 Quartz, respirable, >1% Qtz 0.48 2.83 0.17 Front-end Loader Operator
2003-11-06 Unlisted Particulate, respirable, <1% Qtz 0.13 Front-end Loader Operator
2001-04-19 Quartz, respirable, >1% Qtz 0.16 0.77 0.21 Front-end Loader Operator
2001-04-19 Quartz, respirable, >1% Qtz 0.21 1.66 0.13 Front-end Loader Operator
2001-04-19 Respirable dust, <.1mg 0 Crusher Oper/Worker
2001-04-19 Quartz, respirable, >1% Qtz 0.19 0.57 0.33 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.

Portable Finlay recorded 19.96 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.
19.96
total case rate
19.96
days-away rate
0.000
fatality rate
Above 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 Michigan, metal and nonmetal mining averaged 5.23 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.
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. Tri-City Aggregates Inc 1998 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 4
2025 5
2024 7
2023 10
2022 8
2021 8
2020 8
2019 8
2018 6
2017 6
2016 7
2015 8
2014 7
2013 6
2012 5
2011 5
2010 5
2009 4
2008 5
2007 7
2006 8
2005 6
2004 8
2003 7
2002 16
2001 18
2000 17
Source: MSHA quarterly employment and production, updated weekly.

Portable Finlay sits in Oakland County, Michigan, where the Census mining category is 0.0% 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.
Oakland County, Michigan · Population 1,272,294
0.0%
Mining share of county employment
$95,296
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
2026 Q2 1,891 0 0 0.0
2026 Q1 175 0 0 0.0
2025 Q4 697 0 0 0.0
2025 Q3 1,733 0 0 0.0
2025 Q2 1,273 0 0 0.0
2025 Q1 1,074 0 0 0.0
2024 Q4 1,762 0 0 0.0
2024 Q3 2,904 0 0 0.0
Show 98 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 3,037 0 0 0.0
2024 Q1 2,440 0 0 0.0
2023 Q4 3,297 0 0 0.0
2023 Q3 4,134 0 0 0.0
2023 Q2 2,970 0 0 0.0
2023 Q1 1,889 0 0 0.0
2022 Q4 2,603 0 0 0.0
2022 Q3 4,202 0 0 0.0
2022 Q2 3,049 0 0 0.0
2022 Q1 1,140 1 0 877.2
2021 Q4 2,298 0 0 0.0
2021 Q3 3,719 0 0 0.0
2021 Q2 3,270 0 0 0.0
2021 Q1 1,542 0 0 0.0
2020 Q4 2,153 0 0 0.0
2020 Q3 5,404 0 0 0.0
2020 Q2 3,811 0 0 0.0
2020 Q1 2,070 0 0 0.0
2019 Q4 2,751 0 0 0.0
2019 Q3 5,554 0 0 0.0
2019 Q2 3,623 0 0 0.0
2019 Q1 577 0 0 0.0
2018 Q4 4,137 0 0 0.0
2018 Q3 6,964 0 0 0.0
2018 Q2 3,156 0 0 0.0
2018 Q1 9 0 0 0.0
2017 Q4 3,643 0 0 0.0
2017 Q3 4,859 0 0 0.0
2017 Q2 4,645 0 0 0.0
2017 Q1 1 0 0 0.0
2016 Q4 3,572 0 0 0.0
2016 Q3 6,629 0 0 0.0
2016 Q2 5,708 0 0 0.0
2016 Q1 4 0 0 0.0
2015 Q4 4,657 3 1 644.2
2015 Q3 6,849 0 0 0.0
2015 Q2 5,303 0 0 0.0
2015 Q1 1 0 0 0.0
2014 Q4 3,970 0 0 0.0
2014 Q3 6,627 0 0 0.0
2014 Q2 4,168 0 0 0.0
2014 Q1 1 0 0 0.0
2013 Q4 2,897 0 0 0.0
2013 Q3 3,830 0 0 0.0
2013 Q2 2,996 0 0 0.0
2013 Q1 1 0 0 0.0
2012 Q4 1,050 0 0 0.0
2012 Q3 1,991 0 0 0.0
2012 Q2 1,154 0 0 0.0
2012 Q1 1 0 0 0.0
2011 Q4 893 0 0 0.0
2011 Q3 2,317 0 0 0.0
2011 Q2 1,487 0 0 0.0
2011 Q1 1 0 0 0.0
2010 Q4 1,512 2 2 1322.8
2010 Q3 2,049 3 1 1464.1
2010 Q2 1,045 0 0 0.0
2010 Q1 17 0 0 0.0
2009 Q4 722 0 0 0.0
2009 Q3 1,620 2 0 1234.6
2009 Q2 271 0 0 0.0
2009 Q1 1 0 0 0.0
2008 Q4 473 0 0 0.0
2008 Q3 786 0 0 0.0
2008 Q2 463 0 0 0.0
2008 Q1 1 0 0 0.0
2007 Q4 506 0 0 0.0
2007 Q3 1,816 0 0 0.0
2007 Q2 1,796 0 0 0.0
2007 Q1 1 0 0 0.0
2006 Q4 474 0 0 0.0
2006 Q3 2,172 0 0 0.0
2006 Q2 2,029 0 0 0.0
2006 Q1 438 0 0 0.0
2005 Q4 1,841 0 0 0.0
2005 Q3 2,526 0 0 0.0
2005 Q2 1,698 0 0 0.0
2005 Q1 1 0 0 0.0
2004 Q4 3,951 1 0 253.1
2004 Q3 4,537 0 0 0.0
2004 Q2 3,470 0 0 0.0
2004 Q1 186 0 0 0.0
2003 Q4 3,075 1 1 325.2
2003 Q3 5,112 0 0 0.0
2003 Q2 4,301 0 0 0.0
2003 Q1 72 0 0 0.0
2002 Q4 4,335 0 0 0.0
2002 Q3 7,019 0 0 0.0
2002 Q2 7,594 0 0 0.0
2002 Q1 1,094 0 0 0.0
2001 Q4 5,285 0 0 0.0
2001 Q3 5,539 0 0 0.0
2001 Q2 4,845 0 0 0.0
2001 Q1 1,334 0 0 0.0
2000 Q4 5,117 0 0 0.0
2000 Q3 5,344 0 0 0.0
2000 Q2 4,553 0 0 0.0
2000 Q1 1,033 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

10 on file

2016 · 1 incident

2005 · 1 incident

July 11, 2005 MI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Tri-City Aggregates Inc · Over-exertion (Not Elsewhere Classified)

CHANGING FLASHING ON CONVEYOR BELT WITH BODY TWISTED.

2003 · 1 incident

September 24, 2003 MI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Tri-City Aggregates Inc · Bodily reaction, (Not Elsewhere Classified)

CRAMPED AWKWARD POSTION UNDERNEATH WA500 KMATSU LOADER. CHANGING HYDRALIC LINE TWISTING HEAD TO SEE WHEN MECHANIC FELT PAIN IN NECK /SHOULDERS

2002 · 2 incidents

October 11, 2002 MI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Tri-City Aggregates Inc · Struck by flying object

USING 2LB HAMMER TO STRIKE EXCAVATOR TOOTH TO LOOSEN IT FOR REPLACEMENT WHEN TOOTH FRAGMENTED WITH FRAGMENTS PENETRATING LEFT INNER THIGH.

April 3, 2002 MI · Metal/Non-Metal miner, nec HANDLING OF MATERIALS
Tri-City Aggregates Inc · Absorption of radiations, caustics, toxic and noxious substances

LOOSENING NUTS ON CONE HYDRAULIC LINE AFTER PRESSURE GAGE SHOWED ZERO PRESSURE. HYDRAULIC OIL SPRAYED INTO FACE & EE FELL. R EYE CORNEA ABRADED, NOSE, CHEEK & LIP SWOLLEN

2000 · 2 incidents

December 20, 2000 MI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Tri-City Aggregates Inc · Caught in, under or between a moving and a stationary object

CUTTING TORCH USED TO CUT SCREEN WITH ANOTHER WORKER USING A PRY BAR TO LIFT UP THE SCREEN. THE PRY BAR BOUNCED UP HITTING EE'S FINGER WHICH WAS ON RAILING.

July 25, 2000 MI · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator NONPOWERED HAULAGE
Tri-City Aggregates Inc · Over-exertion in lifting objects

DOING CLEANOUT FILLING WHEELBARROW. MOVING WHEELBARROW TO DUMP WHEN IT BEGAN TIPPING OVER. INSTEAD OF LETTING WHEELBARROW TIP EMPLOYEE TRIED TO STOP IT AND FELT PAIN IN GROIN AREA.

1999 · 3 incidents

November 9, 1999 MI · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Tri-City Aggregates Inc · Struck against a moving object

EMPLOYEE WAS OOPERATING LOADER IN SECOND GEAR WHEN WITHOUT WARNING, THE EMERGENCY AIR BRAKES ACTIVATED. THE SEAT BELTS RESTRAINED HIM BUT HIS WEIGHT WAS ALSO SHIFTED TO HIS LEFT KNEE CAUSING L EFT KNEE STRAIN.

July 30, 1999 MI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Tri-City Aggregates Inc · Struck by... (Not Elsewhere Classified)

SHOVELING ROCK BESIDE CRUSHER CONVEYOR WHEN ROCK FLEW UP OUT OF CRUSHER AND HIT EE'S L. THUMB CAUSING BRUISE AND POSSIBLE DISLOCATION.

April 2, 1999 MI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Tri-City Aggregates Inc · Over-exertion in lifting objects

EMPLOYEE WAS INSTALLING DOOR BY LEANING OVER PART OF EQUIPMENT. CO EMPLOYEE WAS PUSHING UP ON DOOR WHEN EMPLOYEE LIFTED AND FELT STRAIN IN RIB CAGE.