Mining Incidents

Mandata Quarry Metal/Non-Metal

Controlled by Matthew G Markunas
Herndon, Northumberland County, PA  ·  Active
MSHA Mine ID: 3600163

Mandata Quarry has $16K 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
43
Years on record
1990–2026
Latest incident
Feb 2026
Compliance record
MSHA citations since 2001
139
citations
20
significant & substantial
$15,915
proposed penalties
$15,915
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
67
inspections on record
1,450
inspection hours
9.6
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
139 citations across 1,450 inspection hours.
Source: MSHA inspections data, updated weekly.

Mandata Quarry has $16K in proposed MSHA penalties and $0 outstanding across 2 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$16K
proposed penalties
$16K
current assessed
$16K
paid to date
$0
outstanding
133 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2025-10-15.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
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.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 14,934 4 2 267.8
2025 Q3 16,795 2 1 119.1
2025 Q2 16,900 0 0 0.0
2025 Q1 14,672 2 1 136.3
2024 Q4 15,384 0 0 0.0
2024 Q3 15,532 0 0 0.0
2024 Q2 16,123 1 0 62.0
2024 Q1 15,686 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 15,126 0 0 0.0
2023 Q3 16,273 3 1 184.4
2023 Q2 17,208 0 0 0.0
2023 Q1 13,194 4 1 303.2
2022 Q4 15,845 0 0 0.0
2022 Q3 15,196 0 0 0.0
2022 Q2 16,402 2 0 121.9
2022 Q1 15,257 4 0 262.2
2021 Q4 14,773 0 0 0.0
2021 Q3 15,735 0 0 0.0
2021 Q2 16,006 6 0 374.9
2021 Q1 13,213 2 0 151.4
2020 Q4 13,340 0 0 0.0
2020 Q3 15,660 1 0 63.9
2020 Q2 14,305 0 0 0.0
2020 Q1 13,042 1 0 76.7
2019 Q4 12,609 0 0 0.0
2019 Q3 16,667 0 0 0.0
2019 Q2 16,897 2 1 118.4
2019 Q1 14,550 2 1 137.5
2018 Q4 14,735 0 0 0.0
2018 Q3 17,334 0 0 0.0
2018 Q2 18,151 3 0 165.3
2018 Q1 15,817 0 0 0.0
2017 Q4 15,138 4 0 264.2
2017 Q3 17,983 0 0 0.0
2017 Q2 17,569 4 0 227.7
2017 Q1 14,626 5 1 341.9
2016 Q4 16,818 0 0 0.0
2016 Q3 18,407 3 0 163.0
2016 Q2 18,170 0 0 0.0
2016 Q1 17,433 2 0 114.7
2015 Q4 17,071 0 0 0.0
2015 Q3 18,308 4 1 218.5
2015 Q2 17,035 0 0 0.0
2015 Q1 14,549 2 0 137.5
2014 Q4 15,177 0 0 0.0
2014 Q3 16,769 0 0 0.0
2014 Q2 15,848 2 0 126.2
2014 Q1 12,827 0 0 0.0
2013 Q4 10,199 3 2 294.1
2013 Q3 11,860 0 0 0.0
2013 Q2 12,043 0 0 0.0
2013 Q1 10,104 4 1 395.9
2012 Q4 9,080 5 0 550.7
2012 Q3 11,178 0 0 0.0
2012 Q2 11,627 6 1 516.0
2012 Q1 11,149 0 0 0.0
2011 Q4 12,376 1 0 80.8
2011 Q3 12,511 3 0 239.8
2011 Q2 12,007 0 0 0.0
2011 Q1 10,117 3 2 296.5
2010 Q4 11,297 0 0 0.0
2010 Q3 12,581 1 0 79.5
2010 Q2 13,179 0 0 0.0
2010 Q1 11,212 1 0 89.2
2009 Q4 11,728 0 0 0.0
2009 Q3 13,666 0 0 0.0
2009 Q2 12,672 4 1 315.7
2009 Q1 12,368 0 0 0.0
2008 Q4 12,016 2 1 166.4
2008 Q3 13,811 0 0 0.0
2008 Q2 14,359 9 1 626.8
2008 Q1 11,707 2 0 170.8
2007 Q4 12,079 0 0 0.0
2007 Q3 13,256 0 0 0.0
2007 Q2 13,531 0 0 0.0
2007 Q1 11,793 0 0 0.0
2006 Q4 12,521 0 0 0.0
2006 Q3 15,106 5 0 331.0
2006 Q2 13,658 0 0 0.0
2006 Q1 11,761 0 0 0.0
2005 Q4 12,330 4 0 324.4
2005 Q3 14,387 0 0 0.0
2005 Q2 13,921 0 0 0.0
2005 Q1 12,302 0 0 0.0
2004 Q4 12,594 1 0 79.4
2004 Q3 13,233 0 0 0.0
2004 Q2 13,352 0 0 0.0
2004 Q1 11,756 4 0 340.3
2003 Q4 12,013 0 0 0.0
2003 Q3 12,498 0 0 0.0
2003 Q2 12,159 0 0 0.0
2003 Q1 9,648 1 0 103.6
2002 Q4 10,326 0 0 0.0
2002 Q3 13,445 0 0 0.0
2002 Q2 11,875 0 0 0.0
2002 Q1 9,820 0 0 0.0
2001 Q4 12,317 3 0 243.6
2001 Q3 14,395 4 0 277.9
2001 Q2 12,559 0 0 0.0
2001 Q1 8,500 6 0 705.9
2000 Q4 9,547 0 0 0.0
2000 Q3 15,684 0 0 0.0
2000 Q2 12,659 0 0 0.0
2000 Q1 7,176 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

43 on file

2026 · 1 incident

February 9, 2026 PA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Meckley's Limestone Products Inc · Struck by flying object

EE was filling a can with hydraulic fluid and a tiny splash went into the right eye of the EE.

2024 · 1 incident

July 10, 2024 PA · Metal/Non-Metal electrician, lineman MACHINERY
Meckley's Limestone Products Inc · Struck by flying object

EE was unblocking the cage crusher with a chipping gun. Broken rock flew out of the top of the crusher and hit EE directly under their safety glasses and into their left eye.

2020 · 1 incident

December 17, 2020 PA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Meckley's Limestone Products Inc · Fall to the walkway or working surface

Employee slipped on ice at the lime plant and hurt EE's right knee as a result.

2018 · 3 incidents

December 6, 2018 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Meckley's Limestone Products Inc · Fall from ladders

EE stepped off bottom rung of ladder; EE's pocket caught a pry bar which caused EE to fall. EE tried to stop fall with right arm while falling to ground. EE did not seek medical help or miss any time until recently. EE went to the doctor in July of 2019 and on 9/4/19 received an operation to repair a tear in EE's shoulder. Since the operation EE has been off work.

July 11, 2018 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STEPPING OR KNEELING ON OBJECT
Meckley's Limestone Products Inc · Rubbed or abraded

Employee was in the shop on knees working on the tracks of a track loader when employee started to experience pain on inside of left knee. Note: Employee did not seek any treatment until September 25th. Employee was hoping it just needed time to heal.

March 5, 2018 PA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Meckley's Limestone Products Inc · Over-exertion (Not Elsewhere Classified)

Employee was cleaning buildup at the dryer drum chute with an iron bar. The bar hit against a hard surface weld and ee heard a pop in arm.

2017 · 5 incidents

December 29, 2017 PA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Meckley's Limestone Products Inc · Fall to the walkway or working surface

Employee was walking between cement pillars and tripped and fell. Employee put employee's arms out when falling and hurt employee's left hand/wrist.

September 7, 2017 PA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator OTHER
Meckley's Limestone Products Inc · Bodily reaction, (Not Elsewhere Classified)

Employee crawled under a handrail to apply grease on a piece of machinery and experienced a sharp pain in lower back.

August 22, 2017 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Meckley's Limestone Products Inc · Over-exertion (Not Elsewhere Classified)

EE was holding onto an 80 lb plate and another EE had another 80 lb plate. The other EE's plate slipped so the EE put hand out to prevent the plate from falling on EE's foot. As a result, the EE hurt right elbow up to the shoulder: muscle/tendon.

April 12, 2017 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Meckley's Limestone Products Inc · Over-exertion (Not Elsewhere Classified)

Employee was doing a lot of jobs requiring wrenching which caused both hands to swell to a point of not being able to use them.

January 4, 2017 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Meckley's Limestone Products Inc · Struck by... (Not Elsewhere Classified)

Employee was grinding and grinder kicked back and cut employee's knuckle.

2016 · 2 incidents

August 5, 2016 PA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Meckley's Limestone Products Inc · Struck against stationary object

Employee was cleaning up around the H-mill and hit the top of EE's head on the feeder

June 10, 2016 PA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Meckley's Limestone Products Inc · Flash burns (welding)

EE was welding and moving workplace when EE hit the welding lead which fell on to the table with the rod in stinger. (At this point EE had shield raised.) The EE went to pickup the welder which was arcing which caused burn to both eyes. EE also got a piece of dirt in the left eye. (Probably from rubbing it.)

2015 · 2 incidents

March 25, 2015 PA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Meckley's Limestone Products Inc · Over-exertion in lifting objects

Employee was poking material from bins. When employee picked up poker, he felt a pain from his lower back down his right leg.

February 24, 2015 PA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Meckley's Limestone Products Inc · Fall to the walkway or working surface

Employee was carrying an elbow and slipped on the ice and his leg slipped out on him.

2014 · 3 incidents

November 11, 2014 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Meckley's Limestone Products Inc · Struck by falling object

Employee was under a truck on a creeper. While working on the truck, a piece of metal got in his right eye.

October 2, 2014 PA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Meckley's Limestone Products Inc · Over-exertion in lifting objects

Employee was shoveling dirt at back bins when a sharp pain flew in his lower back.

August 15, 2014 PA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Meckley's Limestone Products Inc · Contact with hot objects or substances

Employee was welding and burned his upper right and left arms.

2013 · 3 incidents

October 21, 2013 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Meckley's Limestone Products Inc · Struck by... (Not Elsewhere Classified)

EE was installing a brake chamber on a truck while laying on a creeper. After crawling out and standing up he felt something in his eye.

April 30, 2013 PA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator OTHER
Meckley's Limestone Products Inc · (Not Elsewhere Classified)

Employee experienced possible signs of a heart attack. Employee was sent to hospital. The hospital determined that the employee had an irregular heartbeat which was treated. Employee was told he could return to work the next day.

March 19, 2013 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Meckley's Limestone Products Inc · Struck by... (Not Elsewhere Classified)

Employee was using a utility knife to cut a mud flap when it caught on metal and he cut his left hand.

2012 · 2 incidents

June 19, 2012 PA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Meckley's Limestone Products Inc · Struck by flying object

EE was picking up tools in the weld shop while another EE was chipping slag. The EE turned towards the EE chipping and a piece of metal went in the right eye.

March 5, 2012 PA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Meckley's Limestone Products Inc · Over-exertion in lifting objects

Employee was hand shoveling material at the pulverizing plant when he strained his right shoulder.

2011 · 2 incidents

September 2, 2011 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Meckley's Limestone Products Inc · Struck by flying object

EE was pressing a bushing with a piece of steel and the piece of steel he was pushing broke in half and flew into the EE's body, piercing the skin and creating a contusion.

April 9, 2011 PA · Metal/Non-Metal welder (shop) MACHINERY
Meckley's Limestone Products Inc · Struck by flying object

Employee was hard facing blocks for crusher when slag flew into left eye under a gap in the safety glasses he was wearing.

2010 · 2 incidents

November 4, 2010 PA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Meckley's Limestone Products Inc · Struck against a moving object

Employee was driving a stock truck on quarry roads when he hit a ridge in the road causing him to jar his neck.

October 25, 2010 PA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Meckley's Limestone Products Inc · Over-exertion in pulling or pushing objects

EE was pulling bridged rocks from crusher with bar and cable when he twisted his lower back

2009 · 1 incident

July 13, 2009 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Meckley's Limestone Products Inc · Over-exertion (Not Elsewhere Classified)

Employee was using an air hose to clean the top of a dust collector at the drayer drum at the pulzerizing plant. pain flew into his lower back.

2008 · 5 incidents

September 27, 2008 PA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Meckley's Limestone Products Inc · Fall from ladders

EE set up a ladder to check a pipe. The ladder slipped and kicked out at the bottom. The EE fell down with the ladder, approx 15 feet. The EE sustained lacerations to his right arm and lower left leg.

May 29, 2008 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Meckley's Limestone Products Inc · Contact with hot objects or substances

EE was cutting metal with a torch. A spark from the torch went into his left ear. The EE sustained a burn to his left ear, which became infected.

April 30, 2008 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Meckley's Limestone Products Inc · Struck by... (Not Elsewhere Classified)

EE was driving a shaft out of a B-mill roll (rocker-head) with a sledge hammer and punch. He missed the punch and smashed his finger with the sledge hammer against the rocker head.

April 8, 2008 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Meckley's Limestone Products Inc · Over-exertion in lifting objects

Employee was installing ploughs in the 6000 mill and pulled his back muscle.

2006 · 1 incident

January 3, 2006 PA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Meckley's Limestone Products Inc · Over-exertion (Not Elsewhere Classified)

Employee was cleaning the mud from the 2A screen with a scraper and he twisted his lower back.

2005 · 3 incidents

November 8, 2005 PA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Meckley's Limestone Products Inc · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS ON STEP LADDER REMOVING THE TOP COVER OFF THE H-MILL. THE COVER SHIFTED TOWARDS HIM, PUSHING HIM BACK. WHEN THE COVER CAME BACK, EMPLOYEE TWISTED HIS RIGHT SHOULDER.

September 24, 2005 PA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Meckley's Limestone Products Inc · Over-exertion in lifting objects

Employee bent over to pick up an elbow and strained lower back.

August 23, 2005 PA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Meckley's Limestone Products Inc · Fall from machine

Miner was getting out of the skidster; he had to crawl on the bucket & step down. His foot caught on edge of bucket and he fell to the ground catching himself with his left hand.

2002 · 1 incident

February 6, 2002 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Meckley's Limestone Products Inc · Struck against stationary object

WAS WELDING OUTSIDE THE CAGE MILL AND KNELT ON A STONE, INJURING THE BURSA SAC ON HIS LEFT KNEE. IT WAS DIAGNOSED AS SUPRAPATALLAR BURSITIS, CELLULITIS SET IN AFTERWARD.

1997 · 1 incident

October 3, 1997 PA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Meckley'S Limestone Products Inc · Over-exertion (Not Elsewhere Classified)

EE WAS USING TOILET IN MECKLEY'S MAINTENANCE SHOP. GETTING UP FROM SEATED POSITION, HIS LEFT KNEE MADE POPPING SOUND, CAME OUT OF JOINT, CAUSING A GREAT DEAL OF PAIN. ONE-HALF HOUR LATER IT WE NT BACK INTO PLACE AGAIN. THIS EPISODE RESULTED IN TORN CARTILAGE IN THE LEFT KNEE.

1995 · 2 incidents

October 17, 1995 PA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Meckley'S Limestone Products Inc · Struck by falling object

EMP WAS WORKING TO RETRIEVE A HEAVY PIECE OF STEEL THAT HAD FALLEN ONTO CONVEYOR. IN PROCESS HE ATTEMPTED TO SET THE STEEL VERTICALLY ON A PLATFORM. WHEN HE DID THIS, THE STEEL FELL OVER PINCH ING HIS LEFT INDEX FINGER BETWEEN STEEL AND PLATFORM. THE WEIGHT OF THE STEEL FALLING CRUSHED THE TIP OF HIS FINGER. DR SET BONE ON TIP OF FINGER THAT WAS FRACTURED AND STITCHED SPLIT FINGER.

July 12, 1995 PA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Meckley'S Limestone Products Inc · Over-exertion in lifting objects

EMPLOYEE WAS INSIDE A CONFINED SPACE UNDER THE CATWALK, NEXT TO A SCREEN, TRYING TO UNBLOCK A CHUTE BY SHOVELING THE MATERIAL OVERTOP AN I-BEAM. IN THE PROCESS, HE TWISTED HIS BACK. HE THOUGHT IT WOULD GET BETTER ON ITS OWN, USED ICE ON IT &KEPT ON WORKING. FINALLY THE PAIN BECAME VERY SEVERE AND RADIATED DOWN HIS RIGHT LEG, MAKING IT IMPOSSIBLE TO WORK. DIAGNOSIS: HERNIATED DISK.

1990 · 2 incidents

October 9, 1990 PA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Meckley'S Limestone Products Inc · Struck against a moving object

STOCKING TRUCK ROLLED DOWN OVER STOCKPILE LANDED ON WHEELS AGAIN

April 18, 1990 PA · Metal/Non-Metal outside foreman, leadman MACHINERY
Meckley'S Limestone Products Inc · Caught in, under or between running or meshing objects

HELPING TO CHANGE CABLE ON CRANE, ACCIDENTLY STEPPED ON MOVING SPROCKET LACERATIONS AND SEVERE MUTILATION TO 4TH TOE ON SAME FOOT UY

For insurers, brokers, and safety consultants

The full compliance file on Mandata 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.