Mechanic was adjusting a wiper blade when their shirt or tool caught on conveyor belt pulling their arm into head pulley causing a dislocated elbow and fracture on ulna and missing finger nail.
Grimes Rock a CalPortland Company Metal/Non-Metal
Grimes Rock a CalPortland Company has $69K in proposed MSHA penalties and $0 outstanding across 14 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 15
- Years on record
- 2003–2026
- Latest incident
- Feb 2026
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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.Grimes Rock a CalPortland Company has $69K in proposed MSHA penalties and $0 outstanding across 14 contested dockets.
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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 | 18,370 | 7 | 3 | 381.1 |
| 2025 Q3 | 16,333 | 0 | 0 | 0.0 |
| 2025 Q2 | 17,553 | 2 | 1 | 113.9 |
| 2025 Q1 | 15,523 | 6 | 2 | 386.5 |
| 2024 Q4 | 22,411 | 0 | 0 | 0.0 |
| 2024 Q3 | 25,681 | 1 | 0 | 38.9 |
| 2024 Q2 | 22,411 | 0 | 0 | 0.0 |
| 2024 Q1 | 24,273 | 10 | 1 | 412.0 |
Show 94 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 20,418 | 4 | 0 | 195.9 |
| 2023 Q3 | 24,715 | 0 | 0 | 0.0 |
| 2023 Q2 | 21,322 | 0 | 0 | 0.0 |
| 2023 Q1 | 22,902 | 1 | 0 | 43.7 |
| 2022 Q4 | 22,068 | 0 | 0 | 0.0 |
| 2022 Q3 | 23,843 | 3 | 0 | 125.8 |
| 2022 Q2 | 24,408 | 1 | 0 | 41.0 |
| 2022 Q1 | 23,278 | 5 | 4 | 214.8 |
| 2021 Q4 | 19,376 | 0 | 0 | 0.0 |
| 2021 Q3 | 20,843 | 8 | 1 | 383.8 |
| 2021 Q2 | 14,201 | 0 | 0 | 0.0 |
| 2021 Q1 | 13,988 | 2 | 2 | 143.0 |
| 2020 Q4 | 21,617 | 0 | 0 | 0.0 |
| 2020 Q3 | 20,190 | 3 | 1 | 148.6 |
| 2020 Q2 | 21,003 | 0 | 0 | 0.0 |
| 2020 Q1 | 21,786 | 2 | 0 | 91.8 |
| 2019 Q4 | 22,602 | 0 | 0 | 0.0 |
| 2019 Q3 | 22,363 | 9 | 1 | 402.5 |
| 2019 Q2 | 19,777 | 0 | 0 | 0.0 |
| 2019 Q1 | 15,733 | 4 | 0 | 254.2 |
| 2018 Q4 | 16,830 | 0 | 0 | 0.0 |
| 2018 Q3 | 16,821 | 0 | 0 | 0.0 |
| 2018 Q2 | 16,421 | 0 | 0 | 0.0 |
| 2018 Q1 | 16,183 | 2 | 0 | 123.6 |
| 2017 Q4 | 16,456 | 0 | 0 | 0.0 |
| 2017 Q3 | 16,219 | 0 | 0 | 0.0 |
| 2017 Q2 | 18,368 | 2 | 0 | 108.9 |
| 2017 Q1 | 14,218 | 0 | 0 | 0.0 |
| 2016 Q4 | 13,291 | 6 | 1 | 451.4 |
| 2016 Q3 | 13,534 | 0 | 0 | 0.0 |
| 2016 Q2 | 13,009 | 0 | 0 | 0.0 |
| 2016 Q1 | 13,216 | 0 | 0 | 0.0 |
| 2015 Q4 | 11,802 | 0 | 0 | 0.0 |
| 2015 Q3 | 12,014 | 0 | 0 | 0.0 |
| 2015 Q2 | 13,190 | 1 | 0 | 75.8 |
| 2015 Q1 | 12,832 | 0 | 0 | 0.0 |
| 2014 Q4 | 12,588 | 1 | 0 | 79.4 |
| 2014 Q3 | 11,796 | 0 | 0 | 0.0 |
| 2014 Q2 | 10,863 | 3 | 0 | 276.2 |
| 2014 Q1 | 9,840 | 7 | 3 | 711.4 |
| 2013 Q4 | 10,529 | 0 | 0 | 0.0 |
| 2013 Q3 | 9,648 | 0 | 0 | 0.0 |
| 2013 Q2 | 8,081 | 4 | 1 | 495.0 |
| 2013 Q1 | 8,964 | 0 | 0 | 0.0 |
| 2012 Q4 | 8,138 | 6 | 4 | 737.3 |
| 2012 Q3 | 8,384 | 0 | 0 | 0.0 |
| 2012 Q2 | 7,208 | 3 | 1 | 416.2 |
| 2012 Q1 | 7,436 | 0 | 0 | 0.0 |
| 2011 Q4 | 7,408 | 3 | 2 | 405.0 |
| 2011 Q3 | 8,550 | 0 | 0 | 0.0 |
| 2011 Q2 | 10,214 | 4 | 2 | 391.6 |
| 2011 Q1 | 9,360 | 0 | 0 | 0.0 |
| 2010 Q4 | 11,123 | 3 | 2 | 269.7 |
| 2010 Q3 | 9,957 | 4 | 2 | 401.7 |
| 2010 Q2 | 11,646 | 0 | 0 | 0.0 |
| 2010 Q1 | 9,193 | 0 | 0 | 0.0 |
| 2009 Q4 | 11,637 | 3 | 1 | 257.8 |
| 2009 Q3 | 8,400 | 0 | 0 | 0.0 |
| 2009 Q2 | 10,208 | 4 | 1 | 391.8 |
| 2009 Q1 | 8,773 | 0 | 0 | 0.0 |
| 2008 Q4 | 11,182 | 4 | 0 | 357.7 |
| 2008 Q3 | 11,073 | 0 | 0 | 0.0 |
| 2008 Q2 | 13,752 | 5 | 1 | 363.6 |
| 2008 Q1 | 10,817 | 2 | 0 | 184.9 |
| 2007 Q4 | 12,817 | 0 | 0 | 0.0 |
| 2007 Q3 | 11,010 | 6 | 2 | 545.0 |
| 2007 Q2 | 14,158 | 0 | 0 | 0.0 |
| 2007 Q1 | 11,917 | 5 | 0 | 419.6 |
| 2006 Q4 | 13,482 | 0 | 0 | 0.0 |
| 2006 Q3 | 16,166 | 0 | 0 | 0.0 |
| 2006 Q2 | 5,995 | 1 | 0 | 166.8 |
| 2006 Q1 | 12,055 | 0 | 0 | 0.0 |
| 2005 Q4 | 14,148 | 2 | 1 | 141.4 |
| 2005 Q3 | 14,786 | 7 | 0 | 473.4 |
| 2005 Q2 | 10,206 | 1 | 0 | 98.0 |
| 2005 Q1 | 10,008 | 0 | 0 | 0.0 |
| 2004 Q4 | 12,846 | 10 | 4 | 778.5 |
| 2004 Q3 | 9,399 | 0 | 0 | 0.0 |
| 2004 Q2 | 7,361 | 3 | 0 | 407.6 |
| 2004 Q1 | 2,400 | 0 | 0 | 0.0 |
| 2003 Q4 | 2,448 | 0 | 0 | 0.0 |
| 2003 Q3 | 2,004 | 0 | 0 | 0.0 |
| 2003 Q2 | 7,106 | 0 | 0 | 0.0 |
| 2003 Q1 | 7,305 | 1 | 1 | 136.9 |
| 2002 Q4 | 8,119 | 0 | 0 | 0.0 |
| 2002 Q3 | 8,944 | 0 | 0 | 0.0 |
| 2002 Q2 | 7,443 | 0 | 0 | 0.0 |
| 2002 Q1 | 8,174 | 1 | 0 | 122.3 |
| 2001 Q4 | 6,971 | 14 | 4 | 2008.3 |
| 2001 Q3 | 7,088 | 2 | 0 | 282.2 |
| 2001 Q2 | 6,050 | 0 | 0 | 0.0 |
| 2001 Q1 | 6,068 | 0 | 0 | 0.0 |
| 2000 Q3 | 7,887 | 0 | 0 | 0.0 |
| 2000 Q2 | 4,977 | 28 | 14 | 5625.9 |
Reportable incidents
15 on file2026 · 2 incidents
Employee was removing screens from shaker for cleaning when one of the screens caught the harness they were wearing causing them to fall and hurt a knee.
2025 · 1 incident
Employee was bending over to pick up a piece of pipe when they felt a strain in their back. Employee did not pick up the pipe only hurt their back bending over.
2018 · 1 incident
Employee reported the injury on 12/5/2018. Employee stated that shoveling and digging with a shovel made EE's left hand become swollen.
2010 · 1 incident
employee was carrying a piece of 6" pipe on the mud press. he slipped and let go of the pipe to grab the handrail, the pipe fell onto employee's hand cutting his left ring finger. His finger required stiches from the E.R.
2008 · 3 incidents
EE had a injury on 7/19/07 and came back on 7/26/07. He worked from 7/26/07-4/17/08. EE has not been to work since 4/17/08 from the original injury that occured.The EE notified staff on 7/8/08 about a new injury the EE stated occured within 7/19/07-4/17/08.EE stated he has pain in both hands, forearms but more pain in the right hand.
The employee was working on the wet screen, when a peice of metal hit him on his head. He had some head pain. He was taken to Santa Paula Hospital ER for further evaluation. He was released a couple of hours later. He was fine and doctor gave him 3 days off from work.
Grinding a piece of metal on a windy day.
2007 · 3 incidents
Employee was filling up the water truck, he walked around to the front of the truck and fell. He tried to catch himself but fell to the ground on his left side. He had a laceration above his left eyebrow and a contusion to his left chest area. Employee was taken to urgent care. He had a few stitches to his left eyebrow. Employee returned to work after seeing the doctor that day.
Employee stated that he started to feel sensation in his thumb and fingers. A few weeks later this tingling started turning into pain in his neck and shoulder. The pain was moderate but constant.
The employee was cutting a piece of metal on a windy day and he thought that he got a piece of metal in his right eye, but it ended up being a rock in his right eye. Employee went to an urgent care facility and they flushed his eye and removed the rock. Doctors noted no damage was done and no other conditions that would delay patient's recovery.
2006 · 2 incidents
On 8-15-06 the stairway was broken by an employee that afternoon, who was told to fix it. Employee came on early next morning and was going over the stairway. Stairway gave way and then he fell. Stairway landed on conveyor belt and employee held onto the hand rail. Employee complained of lower back pain. Employee was taken to the hospital, and was released the same day.
EE was working on conveyor. He slipped & struck his ribs on the conveyor cross brace.
2005 · 1 incident
EE proceeded to the tunnel to evaluate the reason the discharge feeder was not discharging material. As he was walking over to check it out, feeder started discharging material. Apparently not realizing feeder had started, he removed the guard to pull start the belt which cut his thumb & 2 fingers requiring stitches. Miners have been warned of the safety hazard of this procedure.
2003 · 1 incident
WHILE REMOVING AND REPLACING A ROLLER ON A DOZER, THE ROLLER SLIPPED, FALLING AND CAUSING THE ROLLER TO CUT HIS FINGER.
The full compliance file on Grimes Rock a CalPortland Company
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.