Mining Incidents

Panamint Valley Limestone Quarry Metal/Non-Metal

PVL Inc. · Surface
Controlled by Specialty Granules LLC
Trona, Inyo County, CA  ·  Active
MSHA Mine ID: 0400275

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Fatalities
0
Total incidents
3
Years on record
2016–2025
Latest incident
Dec 2025
Compliance record
MSHA citations since 2000
80
citations
16
significant & substantial
$10,204
proposed penalties
$10,204
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 6,560 0 0 0.0
2025 Q3 5,229 0 0 0.0
2025 Q2 1,496 0 0 0.0
2025 Q1 1,469 0 0 0.0
2024 Q4 1,343 0 0 0.0
2024 Q3 5,325 9 0 1690.1
2024 Q2 925 0 0 0.0
2023 Q4 3,299 0 0 0.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

3 on file

2025 · 1 incident

December 18, 2025 CA · Metal/Non-Metal FIRE
PVL Inc. · Accident type, without injuries

A splice atop a SoCal Edison pole arced and caught line insulation on fire.

2023 · 1 incident

November 3, 2023 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
PVL Inc. · Fall to the walkway or working surface

A miner slipped while fueling an excavator and fell on backside

2016 · 1 incident

August 16, 2016 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer OTHER
Shawn Barker Construction · (Not Elsewhere Classified)

8:30 am IE began grading the roadway. IE then called another EE on the radio stating IE needed help. EE and another EE came to IE's assistance and IE could not communicate to them.