Taking an acetylene regulator off of a full tank while smoking when ignition occured.
M52 PIT Metal/Non-Metal
Constine Gravel Company
· Surface
Controlled by
Mark Constine
Owasso,
Shiawassee County,
MI
·
Intermittent
MSHA Mine ID: 2003079
M52 PIT has $7K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.
Watch this mine
Email me when a new MSHA incident is filed at M52 PIT.
- Fatalities
- 0
- Total incidents
- 2
- Years on record
- 2005
- Latest incident
- May 2005
Compliance record
MSHA citations since 2000
62
citations
13
significant & substantial
$6,693
proposed penalties
$6,693
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
52
inspections on record
515
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: 515 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
M52 PIT has $7K 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.$7K
proposed penalties
$7K
current assessed
$7K
paid to date
$0
outstanding
57 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-06-11.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
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 |
|---|---|---|---|---|
| 2025 Q4 | 839 | 0 | 0 | 0.0 |
| 2025 Q3 | 1,307 | 0 | 0 | 0.0 |
| 2025 Q2 | 705 | 1 | 0 | 1418.4 |
| 2025 Q1 | 140 | 0 | 0 | 0.0 |
| 2024 Q4 | 1,179 | 0 | 0 | 0.0 |
| 2024 Q3 | 943 | 0 | 0 | 0.0 |
| 2024 Q2 | 656 | 0 | 0 | 0.0 |
| 2024 Q1 | 555 | 0 | 0 | 0.0 |
Show 94 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 1,197 | 1 | 0 | 835.4 |
| 2023 Q3 | 455 | 0 | 0 | 0.0 |
| 2023 Q2 | 940 | 0 | 0 | 0.0 |
| 2023 Q1 | 90 | 0 | 0 | 0.0 |
| 2022 Q3 | 762 | 0 | 0 | 0.0 |
| 2022 Q2 | 627 | 0 | 0 | 0.0 |
| 2022 Q1 | 215 | 0 | 0 | 0.0 |
| 2021 Q4 | 849 | 0 | 0 | 0.0 |
| 2021 Q3 | 950 | 0 | 0 | 0.0 |
| 2021 Q2 | 871 | 0 | 0 | 0.0 |
| 2021 Q1 | 180 | 0 | 0 | 0.0 |
| 2020 Q4 | 530 | 0 | 0 | 0.0 |
| 2020 Q3 | 639 | 0 | 0 | 0.0 |
| 2020 Q2 | 805 | 0 | 0 | 0.0 |
| 2020 Q1 | 135 | 0 | 0 | 0.0 |
| 2019 Q4 | 786 | 1 | 0 | 1272.3 |
| 2019 Q2 | 1,013 | 0 | 0 | 0.0 |
| 2019 Q1 | 525 | 0 | 0 | 0.0 |
| 2018 Q4 | 1,815 | 0 | 0 | 0.0 |
| 2018 Q3 | 1,941 | 0 | 0 | 0.0 |
| 2018 Q2 | 1,065 | 0 | 0 | 0.0 |
| 2018 Q1 | 64 | 2 | 1 | 31250.0 |
| 2017 Q4 | 2,084 | 0 | 0 | 0.0 |
| 2017 Q3 | 2,310 | 5 | 3 | 2164.5 |
| 2017 Q2 | 2,130 | 0 | 0 | 0.0 |
| 2017 Q1 | 72 | 0 | 0 | 0.0 |
| 2016 Q4 | 1,471 | 0 | 0 | 0.0 |
| 2016 Q3 | 2,194 | 0 | 0 | 0.0 |
| 2016 Q2 | 3,390 | 0 | 0 | 0.0 |
| 2016 Q1 | 195 | 0 | 0 | 0.0 |
| 2015 Q4 | 1,303 | 3 | 0 | 2302.4 |
| 2015 Q3 | 2,164 | 1 | 0 | 462.1 |
| 2015 Q2 | 1,792 | 0 | 0 | 0.0 |
| 2015 Q1 | 143 | 0 | 0 | 0.0 |
| 2014 Q4 | 1,725 | 0 | 0 | 0.0 |
| 2014 Q3 | 1,982 | 1 | 1 | 504.5 |
| 2014 Q2 | 710 | 0 | 0 | 0.0 |
| 2014 Q1 | 156 | 0 | 0 | 0.0 |
| 2013 Q4 | 1,774 | 0 | 0 | 0.0 |
| 2013 Q3 | 2,407 | 5 | 0 | 2077.3 |
| 2013 Q2 | 900 | 0 | 0 | 0.0 |
| 2013 Q1 | 150 | 0 | 0 | 0.0 |
| 2012 Q4 | 1,502 | 0 | 0 | 0.0 |
| 2012 Q3 | 692 | 5 | 3 | 7225.4 |
| 2012 Q2 | 1,028 | 0 | 0 | 0.0 |
| 2012 Q1 | 361 | 0 | 0 | 0.0 |
| 2011 Q4 | 1,218 | 0 | 0 | 0.0 |
| 2011 Q3 | 1,799 | 1 | 0 | 555.9 |
| 2011 Q2 | 723 | 2 | 0 | 2766.3 |
| 2011 Q1 | 120 | 0 | 0 | 0.0 |
| 2010 Q4 | 2,537 | 0 | 0 | 0.0 |
| 2010 Q3 | 3,012 | 2 | 0 | 664.0 |
| 2010 Q2 | 2,552 | 0 | 0 | 0.0 |
| 2010 Q1 | 316 | 0 | 0 | 0.0 |
| 2009 Q4 | 574 | 0 | 0 | 0.0 |
| 2009 Q3 | 20 | 4 | 0 | 200000.0 |
| 2009 Q2 | 557 | 0 | 0 | 0.0 |
| 2009 Q1 | 13 | 0 | 0 | 0.0 |
| 2008 Q4 | 393 | 0 | 0 | 0.0 |
| 2008 Q3 | 439 | 0 | 0 | 0.0 |
| 2008 Q2 | 1,213 | 2 | 0 | 1648.8 |
| 2008 Q1 | 0 | 0 | 0 | |
| 2007 Q4 | 637 | 2 | 0 | 3139.7 |
| 2007 Q3 | 2,132 | 5 | 2 | 2345.2 |
| 2007 Q2 | 2,216 | 0 | 0 | 0.0 |
| 2007 Q1 | 486 | 0 | 0 | 0.0 |
| 2006 Q4 | 609 | 0 | 0 | 0.0 |
| 2006 Q3 | 2,662 | 0 | 0 | 0.0 |
| 2006 Q2 | 2,378 | 0 | 0 | 0.0 |
| 2006 Q1 | 1,848 | 0 | 0 | 0.0 |
| 2005 Q4 | 3,381 | 0 | 0 | 0.0 |
| 2005 Q3 | 3,637 | 1 | 0 | 275.0 |
| 2005 Q2 | 2,981 | 8 | 2 | 2683.7 |
| 2005 Q1 | 2,154 | 0 | 0 | 0.0 |
| 2004 Q4 | 3,015 | 0 | 0 | 0.0 |
| 2004 Q3 | 3,019 | 4 | 1 | 1324.9 |
| 2004 Q2 | 2,886 | 0 | 0 | 0.0 |
| 2004 Q1 | 970 | 0 | 0 | 0.0 |
| 2003 Q4 | 517 | 0 | 0 | 0.0 |
| 2003 Q3 | 891 | 0 | 0 | 0.0 |
| 2003 Q2 | 1,303 | 0 | 0 | 0.0 |
| 2003 Q1 | 497 | 0 | 0 | 0.0 |
| 2002 Q4 | 1,314 | 0 | 0 | 0.0 |
| 2002 Q3 | 1,085 | 1 | 0 | 921.7 |
| 2002 Q2 | 1,250 | 0 | 0 | 0.0 |
| 2002 Q1 | 803 | 0 | 0 | 0.0 |
| 2001 Q4 | 937 | 0 | 0 | 0.0 |
| 2001 Q3 | 1,527 | 0 | 0 | 0.0 |
| 2001 Q2 | 20 | 0 | 0 | 0.0 |
| 2001 Q1 | 1,227 | 0 | 0 | 0.0 |
| 2000 Q4 | 1,657 | 0 | 0 | 0.0 |
| 2000 Q3 | 2,232 | 0 | 0 | 0.0 |
| 2000 Q2 | 2,195 | 5 | 0 | 2277.9 |
| 2000 Q1 | 1,546 | 0 | 0 | 0.0 |
No fatalities recorded at this mine.
Reportable incidents
2 on file2005 · 2 incidents
May 21, 2005
MI · Metal/Non-Metal
crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger
IGNITION OR EXPLOSION OF GAS OR DUST
Constine Inc · Contact with hot objects or substances
May 20, 2005
MI · Metal/Non-Metal
front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator
POWERED HAULAGE
Constine Inc · Struck against a moving object
Pin worked its way out - operator did not notice it. It stuck in ground and stopped machine.
For insurers, brokers, and safety consultants
The full compliance file on M52 PIT
A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.