Mining Incidents

American Stone Quarry Metal/Non-Metal

Chapel Hill, Orange County, NC  ·  Active
MSHA Mine ID: 3100189

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Fatalities
0
Total incidents
2
Years on record
2004–2016
Latest incident
Jul 2016
Compliance record
MSHA citations since 2000
85
citations
17
significant & substantial
$12,258
proposed penalties
$12,258
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 2,689 0 0 0.0
2025 Q3 2,081 1 0 480.5
2025 Q2 464 0 0 0.0
2025 Q1 1,803 0 0 0.0
2024 Q4 460 0 0 0.0
2024 Q3 509 0 0 0.0
2024 Q2 1,227 0 0 0.0
2024 Q1 631 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

2 on file

2016 · 1 incident

July 19, 2016 NC · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor OTHER
Martin Marietta Materials Inc · (Not Elsewhere Classified)

Employee was found unresponsive at approximately 05:15 p.m. by the Plant Manager in the Primary Control Room. Employee subsequently was pronounced deceased of apparent natural causes.

2004 · 1 incident

April 6, 2004 NC · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
American Stone Company · Fall from machine

EE HAD GOTTEN OUT OF HIS PIT TRUCK (769D) TO MOVE A ROCK AFTER HE HAD DUMPED IN THE JAW. HE THEN WENT TO CLIMB BACK INTO THE TRUCK WHEN HE MISSED THE HADNDRAIL AND SLIPPED. HE FELL BACK AND LANDED ON HIS LEFT SIDE. HE WAS COMPLAINING ABOUT PAIN IN HIS LEFT LEG AROUND HIS THIGH. HE WAS THEN TRANSPORTED BY AMBULANCE TO UNC E.R.