Mining Incidents

American Black Quarry Metal/Non-Metal

Controlled by Polycor Inc
Elverson, Chester County, PA  ·  Active
MSHA Mine ID: 3605508

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Fatalities
0
Total incidents
33
Years on record
2000–2025
Latest incident
Dec 2025
Compliance record
MSHA citations since 2001
206
citations
53
significant & substantial
$324,392
proposed penalties
$157,044
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 3,986 1 1 250.9
2025 Q3 1,040 0 0 0.0
2025 Q2 2,393 1 0 417.9
2025 Q1 520 0 0 0.0
2024 Q4 2,954 0 0 0.0
2024 Q3 3,547 2 0 563.9
2024 Q2 4,320 0 0 0.0
2024 Q1 520 3 1 5769.2
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

33 on file

2025 · 2 incidents

December 23, 2025 PA · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Pennsylvania Granite Corp. · Fall to the walkway or working surface

Employee was carrying a bucket of stone down the pit ramp and slipped and landed on their elbow, which resulted a bump on their elbow. The bucket of stone was to prevent slipping in other locations.

April 16, 2025 PA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Pennsylvania Granite Corp. · Struck by... (Not Elsewhere Classified)

while sawing the saw kicked back and inflicted lacerations to employee's face, EE received stitches. The kick back safety function worked and shut the saw off preventing further injury.

2024 · 1 incident

March 5, 2024 PA · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer SLIP OR FALL OF PERSON
Pennsylvania Granite Corp. · Over-exertion (Not Elsewhere Classified)

Speed walking to the saw when EE saw smoke and slipped in the mud

2023 · 2 incidents

May 9, 2023 PA · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDLING OF MATERIALS
Pennsylvania Granite Corp. · Over-exertion (Not Elsewhere Classified)

EE was moving bunking for a saw block and stepped on a small stone and twisted an ankle

February 28, 2023 PA · Metal/Non-Metal drill operator HANDLING OF MATERIALS
Pennsylvania Granite Corp. · Over-exertion in lifting objects

Working at the Zoom Saws and said back hurt from trying to move the steel blocking that was frozen into the ground

2022 · 2 incidents

November 3, 2022 PA · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDTOOLS (NONPOWERED)
Pennsylvania Granite Corp. · Struck by... (Not Elsewhere Classified)

Cutting wheel liner with razor blade knife, cut through to left thumb

June 14, 2022 PA · Metal/Non-Metal ledgeman/hand, quarry man POWERED HAULAGE
Pennsylvania Granite Corp. · Struck by falling object

Loader moving granite so employee can take wire out. Part of granite fell onto employee's metatarsal (top of foot). 2 fractures to foot.

2021 · 1 incident

June 28, 2021 PA · Metal/Non-Metal ledgeman/hand, quarry man HANDTOOLS (NONPOWERED)
Pennsylvania Granite Corp. · Struck by flying object

Miner was breaking a wedge with a sledgehammer and hit it off center and received a laceration to left leg from piece of wedge.

2020 · 2 incidents

August 12, 2020 PA · Metal/Non-Metal ledgeman/hand, quarry man SLIP OR FALL OF PERSON
Pennsylvania Granite Corp. · Fall to the walkway or working surface

Miner was moving a water line for the saw, and stepped on wet track to move and slipped causing a bruise to EE's left arm.

2019 · 1 incident

2016 · 2 incidents

February 28, 2016 PA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman DISORDERS (REPEATED TRAUMA)
Pennsylvania Granite Corp. · (Not Elsewhere Classified)

STS hearing test

2015 · 5 incidents

December 8, 2015 PA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Pennsylvania Granite Corp. · Struck by... (Not Elsewhere Classified)

Miner was blowing out off a drill, with compressed air, and got a piece of debris in his right eye

August 18, 2015 PA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Pennsylvania Granite Corp. · Struck by... (Not Elsewhere Classified)

Knife slipped, lacerating knee while cutting wire

August 10, 2015 PA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Pennsylvania Granite Corp. · Struck by falling object

Miner was taking hose off of exhausted hydro bag, when second water bag fell and rolled out of cut, causing injury to top of left hand. Cut and tendon damage, and some broken bones.

May 14, 2015 PA · Metal/Non-Metal ledgeman/hand, quarry man HANDTOOLS (NONPOWERED)
Pennsylvania Granite Corp. · Struck by... (Not Elsewhere Classified)

Employee was opening a skid of plaster. He was using a knife, when he missed the plastic wrap over the plaster, and ran the knife into his lower right from of leg, resulting in stitches.

January 28, 2015 PA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Pennsylvania Granite Corp. · Fall to the walkway or working surface

EE slipped on some ice, and fell on his left leg, causing a bruise to his shin

2014 · 1 incident

October 27, 2014 PA · Metal/Non-Metal outside foreman, leadman HANDTOOLS (NONPOWERED)
Pennsylvania Granite Corp. · Struck by... (Not Elsewhere Classified)

Knife laceration to bottom of left index finger, required sutures. Was cutting wire. Had safety gloves on. Returned to work at 2:00pm same day

2013 · 4 incidents

October 28, 2013 PA · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Pennsylvania Granite Corp. · Struck against stationary object

Laceration to the left hand 5th digit (pinky finger). Employee was plastering around granite block for placement on wire saw. Employee's pinky finger hit edge of granite rock, and received a cut. First aid was performed at office, and employee then went to clinic to see if he needed stitches. Stitches were placed, and employee returned to work.

May 17, 2013 PA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Pennsylvania Granite Corp. · Struck by flying object

Breaking granite with shims and wedges, when a piece of wedge broke off, and embedded in left forearm. Had to go to Urgent Care clinic to remove object, and get stitches. Could not lift 20 lbs for 5 working days. Had sutures removed after 7 days, and is now not limited.

May 3, 2013 PA · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Pennsylvania Granite Corp. · Over-exertion in lifting objects

Employee was helping lift an electrical cable over pins on a wire saw, and felt a pull in his groin. He finished his on Friday May 3rd, came in Monday May 6th, and decided his groin hurt more, so we sent him for medical attention. It was determined he had a groin strain.

April 18, 2013 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Pennsylvania Granite Corp. · Struck by... (Not Elsewhere Classified)

Employee was wearing safety glasses when a piece of rust/dirt fell under the top of the glasses and went under his top eyelid. After attempting to clear it out with eyewash solution, was unable to. We sent him to Urgent Care Outpatient Facility. They numbed his eye, and removed the foreign material without incident. Employee returned to work, with no restrictions.

2012 · 1 incident

March 30, 2012 PA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Pennsylvania Granite Corp. · Struck by... (Not Elsewhere Classified)

Employee was swinging a sledge hammer to hit a wedge, missed the wedge, and hit his left pointer finger, resulting in a fractured finger.

2011 · 2 incidents

August 12, 2011 PA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Pennsylvania Granite Corp. · Struck by... (Not Elsewhere Classified)

Cutting diamond wire with utility knife, hand slipped and cut index finger, resulting in stitches.

February 11, 2011 PA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Pennsylvania Granite Corp. · Over-exertion (Not Elsewhere Classified)

Employee was plug drilling with his arms, and his left knee gave out under him.

2010 · 3 incidents

December 15, 2010 PA · Metal/Non-Metal outside foreman, leadman MACHINERY
Pennsylvania Granite Corp. · Caught in, under or between a moving and a stationary object

While Plug drilling, twisted knee and hand slipped and pinky finger got cut, and needed stitches.

June 14, 2010 PA · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Pennsylvania Granite Corp. · Over-exertion in pulling or pushing objects

EE told his Quarry Manager that he felt he had strained his back the previous Friday, June 11th, while pulling 2inch electrical cable. The quarry manager immediately set up an appointment to go to a care center to be evaluated at that time. He had a no loss of work injury, according to documents from the Care Plex, occupational Health Facility, in PA.

2008 · 1 incident

August 25, 2008 PA · Metal/Non-Metal ledgeman/hand, quarry man HANDTOOLS (NONPOWERED)
Pennsylvania Granite Corp. · Over-exertion in wielding or throwing objects

As employee was splitting a piece of granite with plugs and feathers he felt pain in his abdominal area.

2005 · 1 incident

December 5, 2005 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech EXPLODING VESSELS UNDER PRESSURE
Pennsylvania Granite Corp. · Struck by flying object

Employee working on forklift tire. Tire blew out knocking employee down causing facial lacerations and bruised ribs.

2004 · 1 incident

April 7, 2004 PA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Pennsylvania Granite Corp. · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS SETTING UP WIRE SAW & STEPPED IN A HOLE.

2000 · 1 incident

September 22, 2000 PA · Metal/Non-Metal miner, nec MACHINERY
Pennsylvania Granite Corp. · Caught in, under or between (Not Elsewhere Classified)

EE WAS TRYING TO REMOVE DRILL STEEL ROD FROM HISDRILL & HIS RIGHT GLOVE GOT CAUGHT IN THE MACHINE & TWISTED HIS ARM BREAKING BONE IN LOWERARM