Employee claims that he went to use the bathroom (provided on site) but it was occupied. Instead of using a second bathroom (also provided on site) employee went behind a spoil pile and defecated. While defecating employee claims that his left knee was strained. There were no prior visual indications, nor prior communications, with his supervisor of any physical impairment.
Corner Stone - #1 Wister Quarry Metal/Non-Metal
Corner Stone - #1 Wister Quarry has $9K in proposed MSHA penalties and $0 outstanding across 2 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 3
- Years on record
- 2004–2012
- Latest incident
- Aug 2012
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This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.Corner Stone - #1 Wister Quarry has $9K in proposed MSHA penalties and $0 outstanding across 2 contested dockets.
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.ⓘ
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.| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2025 Q4 | 42 | 0 | 0 | 0.0 |
| 2025 Q3 | 34 | 0 | 0 | 0.0 |
| 2025 Q2 | 30 | 0 | 0 | 0.0 |
| 2025 Q1 | 33 | 0 | 0 | 0.0 |
| 2024 Q4 | 28 | 1 | 0 | 35714.3 |
| 2024 Q3 | 32 | 0 | 0 | 0.0 |
| 2024 Q2 | 32 | 0 | 0 | 0.0 |
| 2024 Q1 | 30 | 0 | 0 | 0.0 |
Show 85 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 28 | 0 | 0 | 0.0 |
| 2023 Q3 | 32 | 0 | 0 | 0.0 |
| 2023 Q2 | 40 | 0 | 0 | 0.0 |
| 2023 Q1 | 890 | 0 | 0 | 0.0 |
| 2022 Q4 | 1,395 | 1 | 0 | 716.8 |
| 2022 Q3 | 1,395 | 0 | 0 | 0.0 |
| 2022 Q2 | 1,484 | 2 | 0 | 1347.7 |
| 2022 Q1 | 1,480 | 0 | 0 | 0.0 |
| 2021 Q4 | 1,490 | 0 | 0 | 0.0 |
| 2021 Q3 | 1,390 | 0 | 0 | 0.0 |
| 2021 Q2 | 1,850 | 0 | 0 | 0.0 |
| 2021 Q1 | 2,200 | 0 | 0 | 0.0 |
| 2020 Q4 | 2,230 | 0 | 0 | 0.0 |
| 2020 Q3 | 1,470 | 0 | 0 | 0.0 |
| 2020 Q2 | 1,353 | 0 | 0 | 0.0 |
| 2020 Q1 | 1,330 | 0 | 0 | 0.0 |
| 2019 Q4 | 1,520 | 2 | 0 | 1315.8 |
| 2019 Q3 | 1,395 | 0 | 0 | 0.0 |
| 2019 Q2 | 1,262 | 1 | 0 | 792.4 |
| 2019 Q1 | 22 | 0 | 0 | 0.0 |
| 2018 Q4 | 1,310 | 0 | 0 | 0.0 |
| 2018 Q3 | 1,312 | 0 | 0 | 0.0 |
| 2018 Q2 | 2,412 | 0 | 0 | 0.0 |
| 2018 Q1 | 2,412 | 1 | 0 | 414.6 |
| 2017 Q4 | 572 | 0 | 0 | 0.0 |
| 2017 Q3 | 2,172 | 0 | 0 | 0.0 |
| 2017 Q2 | 2,892 | 4 | 1 | 1383.1 |
| 2017 Q1 | 3,162 | 3 | 1 | 948.8 |
| 2016 Q4 | 3,087 | 0 | 0 | 0.0 |
| 2016 Q3 | 3,983 | 0 | 0 | 0.0 |
| 2016 Q2 | 2,988 | 1 | 1 | 334.7 |
| 2016 Q1 | 3,916 | 1 | 1 | 255.4 |
| 2015 Q4 | 3,340 | 0 | 0 | 0.0 |
| 2015 Q3 | 3,852 | 0 | 0 | 0.0 |
| 2015 Q2 | 3,275 | 2 | 0 | 610.7 |
| 2015 Q1 | 3,277 | 0 | 0 | 0.0 |
| 2014 Q4 | 3,657 | 0 | 0 | 0.0 |
| 2014 Q3 | 3,977 | 3 | 1 | 754.3 |
| 2014 Q2 | 2,880 | 4 | 1 | 1388.9 |
| 2014 Q1 | 2,409 | 0 | 0 | 0.0 |
| 2013 Q4 | 2,697 | 5 | 3 | 1853.9 |
| 2013 Q3 | 2,889 | 2 | 2 | 692.3 |
| 2013 Q2 | 2,742 | 0 | 0 | 0.0 |
| 2013 Q1 | 2,793 | 0 | 0 | 0.0 |
| 2012 Q4 | 3,257 | 2 | 1 | 614.1 |
| 2012 Q3 | 3,913 | 1 | 0 | 255.6 |
| 2012 Q2 | 3,721 | 1 | 0 | 268.7 |
| 2012 Q1 | 3,852 | 1 | 1 | 259.6 |
| 2011 Q4 | 2,841 | 0 | 0 | 0.0 |
| 2011 Q3 | 2,828 | 0 | 0 | 0.0 |
| 2011 Q2 | 1,932 | 0 | 0 | 0.0 |
| 2011 Q1 | 1,257 | 4 | 2 | 3182.2 |
| 2010 Q4 | 1,377 | 0 | 0 | 0.0 |
| 2010 Q3 | 1,356 | 1 | 0 | 737.5 |
| 2010 Q2 | 1,452 | 0 | 0 | 0.0 |
| 2010 Q1 | 756 | 0 | 0 | 0.0 |
| 2009 Q4 | 972 | 0 | 0 | 0.0 |
| 2009 Q3 | 2,850 | 0 | 0 | 0.0 |
| 2009 Q2 | 3,042 | 0 | 0 | 0.0 |
| 2009 Q1 | 1,410 | 0 | 0 | 0.0 |
| 2008 Q4 | 3,602 | 1 | 1 | 277.6 |
| 2008 Q3 | 4,984 | 0 | 0 | 0.0 |
| 2008 Q2 | 4,898 | 0 | 0 | 0.0 |
| 2008 Q1 | 3,328 | 0 | 0 | 0.0 |
| 2007 Q4 | 4,904 | 1 | 1 | 203.9 |
| 2007 Q3 | 5,570 | 0 | 0 | 0.0 |
| 2007 Q2 | 5,303 | 0 | 0 | 0.0 |
| 2007 Q1 | 5,306 | 0 | 0 | 0.0 |
| 2006 Q4 | 5,398 | 2 | 0 | 370.5 |
| 2006 Q3 | 5,750 | 0 | 0 | 0.0 |
| 2006 Q2 | 5,576 | 0 | 0 | 0.0 |
| 2006 Q1 | 5,456 | 0 | 0 | 0.0 |
| 2005 Q4 | 5,456 | 2 | 2 | 366.6 |
| 2005 Q3 | 5,456 | 0 | 0 | 0.0 |
| 2005 Q2 | 5,368 | 0 | 0 | 0.0 |
| 2005 Q1 | 5,280 | 0 | 0 | 0.0 |
| 2004 Q4 | 7,752 | 1 | 1 | 129.0 |
| 2004 Q3 | 8,296 | 3 | 1 | 361.6 |
| 2004 Q2 | 7,320 | 0 | 0 | 0.0 |
| 2004 Q1 | 5,280 | 2 | 0 | 378.8 |
| 2003 Q4 | 5,104 | 0 | 0 | 0.0 |
| 2003 Q3 | 5,456 | 0 | 0 | 0.0 |
| 2003 Q2 | 5,280 | 0 | 0 | 0.0 |
| 2003 Q1 | 3,840 | 0 | 0 | 0.0 |
| 2002 Q4 | 1,440 | 0 | 0 | 0.0 |
Reportable incidents
3 on file2012 · 1 incident
2005 · 1 incident
EMPLOYEE WAS REMOVING THE SIDE PANEL ON A SKIDSTEER TO INSPECT SENSOR WIRE WHEN HE BUMPED HIS SHOULDER ON THE EXHAUST. FIRST AID WAS BURN SPRAY AND BANDAGE. HE WORKED NEXT DAYS WITHOUT COMPLAINT. ON JUNE 10 HE WENT TO EMERGENCY ROOM WITH AN INFECTION. DR EXCUSED HIM FROM WORK THROUGH THE 17TH
2004 · 1 incident
During stone splitting operatin minor cut left thumb on sharp piece of stone. guaze pad and tape to control bleeding were used. minor was transported to potean hospital and received stitches.
The full compliance file on Corner Stone - #1 Wister Quarry
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.