Mining Incidents

AA Limestone Metal/Non-Metal

Controlled by Heidelberg Materials AG
Grayson, Carter County, KY  ·  Active
MSHA Mine ID: 1517923

AA Limestone has $32K in proposed MSHA penalties and $378 outstanding across 4 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
32
Years on record
1997–2023
Latest incident
Mar 2023
Compliance record
MSHA citations since 2000
122
citations
28
significant & substantial
$32,132
proposed penalties
$31,548
paid to date
98% of proposed penalties paid to date, a $584 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
81
inspections on record
1,823
inspection hours
6.7
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.
122 citations across 1,823 inspection hours.
Source: MSHA inspections data, updated weekly.

AA Limestone has $32K in proposed MSHA penalties and $378 outstanding across 4 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.
$32K
proposed penalties
$32K
current assessed
$32K
paid to date
$378
outstanding
114 assessments are final orders; 4 contested dockets.
As of the most recent assessment on 2026-01-22.
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 12,723 0 0 0.0
2025 Q3 12,528 0 0 0.0
2025 Q2 12,614 5 0 396.4
2025 Q1 11,167 0 0 0.0
2024 Q4 13,204 2 1 151.5
2024 Q3 13,642 0 0 0.0
2024 Q2 9,958 1 0 100.4
2024 Q1 10,379 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 11,237 3 1 267.0
2023 Q3 11,370 0 0 0.0
2023 Q2 11,206 3 0 267.7
2023 Q1 13,795 0 0 0.0
2022 Q4 12,505 4 2 319.9
2022 Q3 11,837 6 0 506.9
2022 Q2 11,100 0 0 0.0
2022 Q1 10,469 0 0 0.0
2021 Q4 10,279 2 0 194.6
2021 Q3 10,752 4 0 372.0
2021 Q2 11,059 0 0 0.0
2021 Q1 10,439 3 1 287.4
2020 Q4 9,939 0 0 0.0
2020 Q3 10,458 2 1 191.2
2020 Q2 11,196 0 0 0.0
2020 Q1 10,731 4 3 372.8
2019 Q4 9,925 0 0 0.0
2019 Q3 11,099 2 1 180.2
2019 Q2 11,280 0 0 0.0
2019 Q1 11,239 2 0 178.0
2018 Q4 10,899 0 0 0.0
2018 Q3 10,689 0 0 0.0
2018 Q2 11,690 0 0 0.0
2018 Q1 11,508 3 1 260.7
2017 Q4 10,216 0 0 0.0
2017 Q3 10,939 6 2 548.5
2017 Q2 11,538 0 0 0.0
2017 Q1 11,503 0 0 0.0
2016 Q4 10,164 5 1 491.9
2016 Q3 12,096 0 0 0.0
2016 Q2 12,283 1 1 81.4
2016 Q1 11,349 2 0 176.2
2015 Q4 9,998 0 0 0.0
2015 Q3 12,765 0 0 0.0
2015 Q2 11,664 1 1 85.7
2015 Q1 9,640 1 0 103.7
2014 Q4 10,570 0 0 0.0
2014 Q3 13,219 1 0 75.6
2014 Q2 12,304 0 0 0.0
2014 Q1 10,799 1 1 92.6
2013 Q4 9,980 0 0 0.0
2013 Q3 11,460 0 0 0.0
2013 Q2 10,169 2 0 196.7
2013 Q1 9,242 0 0 0.0
2012 Q4 9,965 3 1 301.1
2012 Q3 10,437 2 0 191.6
2012 Q2 10,315 0 0 0.0
2012 Q1 11,728 3 1 255.8
2011 Q4 12,142 0 0 0.0
2011 Q3 12,956 0 0 0.0
2011 Q2 12,846 4 0 311.4
2011 Q1 12,889 0 0 0.0
2010 Q4 13,457 2 0 148.6
2010 Q3 12,225 0 0 0.0
2010 Q2 12,943 1 0 77.3
2010 Q1 11,274 1 0 88.7
2009 Q4 13,300 0 0 0.0
2009 Q3 14,249 4 1 280.7
2009 Q2 13,369 0 0 0.0
2009 Q1 13,566 1 0 73.7
2008 Q4 14,201 0 0 0.0
2008 Q3 14,027 0 0 0.0
2008 Q2 14,010 3 0 214.1
2008 Q1 13,651 4 1 293.0
2007 Q4 14,702 0 0 0.0
2007 Q3 16,129 7 2 434.0
2007 Q2 17,338 0 0 0.0
2007 Q1 14,763 0 0 0.0
2006 Q4 13,360 0 0 0.0
2006 Q3 13,802 1 0 72.5
2006 Q2 12,726 0 0 0.0
2006 Q1 13,004 2 0 153.8
2005 Q4 12,632 0 0 0.0
2005 Q3 12,859 0 0 0.0
2005 Q2 13,760 1 0 72.7
2005 Q1 10,679 0 0 0.0
2004 Q4 11,769 0 0 0.0
2004 Q3 11,041 0 0 0.0
2004 Q2 11,974 0 0 0.0
2004 Q1 14,645 0 0 0.0
2003 Q4 13,221 1 0 75.6
2003 Q3 13,503 0 0 0.0
2003 Q2 13,679 0 0 0.0
2003 Q1 12,774 0 0 0.0
2002 Q4 11,995 0 0 0.0
2002 Q3 12,898 0 0 0.0
2002 Q2 13,560 0 0 0.0
2002 Q1 12,879 0 0 0.0
2001 Q4 14,274 2 1 140.1
2001 Q3 14,778 0 0 0.0
2001 Q2 14,102 4 0 283.6
2001 Q1 14,391 0 0 0.0
2000 Q4 13,513 0 0 0.0
2000 Q3 13,229 0 0 0.0
2000 Q2 12,908 5 2 387.4
2000 Q1 11,808 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

32 on file

2023 · 1 incident

March 8, 2023 KY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STRIKING OR BUMPING
Hanson Aggregates Davon, LLC · Struck against stationary object

Employeee was leaving a lube trailer through a low door at Hanson Heidelburg AA Quarry in Grayson KY when employee raised up before clearing the door and struck head on the door frame. Employee was wearing PPE (Hard Hat) .

2022 · 1 incident

June 1, 2022 KY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Hanson Aggregates Davon, LLC · Fall from machine

Employee was working on repair of a loader when EE fell off, hitting the ground and breaking the wrist.

2019 · 1 incident

August 21, 2019 KY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Hanson Aggregates Davon, LLC · Struck against a moving object

Employee was operating a CAT 740B Haul Truck and hit a rut in the road, causing back pain. The injury was not reported to management until 9/9/19.

2010 · 1 incident

February 8, 2010 KY · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Hanson Aggregates Davon, LLC · Fall to the walkway or working surface

Employee was walking across a parking lot towards his haul truck when he slipped on a patch of ice and fell, resulting in sprains to his left knee and shoulder and abrasion to his left knee. Employee was placed on three days restricted duty, operator accommodated restrictions - no lost workdays were incurred as a result of this injury.

2008 · 1 incident

May 2, 2008 KY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Hanson Aggregates Davon, LLC · Bodily reaction, (Not Elsewhere Classified)

Injured employee was kneeling in area between the cab and engine compartment on a Cat 988B Loader while performing maintenance to the loader. When employee stood up he heard a snapping noise in his left knee and felt that his left knee had popped out of socket. Initial medical review of this injury resulted in restricted duty with no lost time.

2006 · 2 incidents

June 2, 2006 KY · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Hanson Aggregates Davon, LLC · Fall onto or against objects

Employee was on scales. He got out of his truck and stepped on the guardrail they have for them to step on to get his load ticket. He turned to get back in his truck when his foot slipped on guardrail and he fell hitting his left side on guardrail and fracturing a rib.

February 9, 2006 KY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Hanson Aggregates Davon, LLC · Struck by... (Not Elsewhere Classified)

Employee was using 12 volt tester. The tester slipped off temp switch and came in contact with fan blade. The fan blade struck tester and drove blunt end into palm of right hand requiring 16 stitches.

2005 · 2 incidents

September 9, 2005 KY · Metal/Non-Metal welder (shop) POWERED HAULAGE
Hanson Aggregates Davon, LLC · Struck against a moving object

Employee was operating a 2003 model 226 cat skid steer cleaning out between beltlines. He backed skidsteer upon existing stockpile with bucket raised cousin skid steer for overturn. He substained scretches and lacerations requires medical attention.

May 18, 2005 KY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Hanson Aggregates Davon, LLC · Struck by flying object

wHILE PECKING ON A AXLE GEAR WITH HAMMER A SLIVER CAME OFF AND STRUCK MACHINC IN UPPER LIP EMBEDDING INSELF IN LIP.

2002 · 1 incident

August 7, 2002 KY · Metal/Non-Metal welder (shop) MACHINERY
Hanson Aggregates Davon, LLC · Over-exertion (Not Elsewhere Classified)

EMPLOYEES BACK WAS HURTING WHEN HE GOT UP THE NEXT MORNING AFTER WORKING NIGHT BEFORE. EMPLOYEE DID NOTHING OUT OF ORDINARY ON HIS NORMAL SHIFT.

2001 · 2 incidents

September 4, 2001 KY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Hanson Aggregates Davon, LLC · Caught in, under or between (Not Elsewhere Classified)

LOADED DOZER TRACKS ON FLATBED TRACK FOR TRANSPORT. TRACKS WERE IN SPIRAL ROLLS, ONE END OF ROLL OPENED. EE WENT TO PULL OPEN END BACK TO ROLL, LOADER MOVED TRACK TO ADJUST HOLD. EE PINCHED TH UMB CAUSING LACERATION.

June 2, 2001 KY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Hanson Aggregates Davon, LLC · Over-exertion (Not Elsewhere Classified)

EE WAS ASSISTING IN INSTALLING A RETURN ROLLER GUARD. WHILE HE WAS HOLDING THE GUARD IN PLACE, HIS FOOTING SLIPPED. RESULTED IN A STRAINED BACK. HAD RESTRICTED WORK DUTIES.

2000 · 3 incidents

October 13, 2000 KY · Metal/Non-Metal welder (shop) HANDTOOLS (NONPOWERED)
Aa Limestone-Div/Davon Inc · Struck by flying object

EMPLOYEE WAS USING A SLEDGE HAMMER TO DRIVE A PIN INTO THE TRACK OF A 235 CAT EXCAVATOR WHEN A PIECE OF THE PIN BROKE OFF STRIKING AND LODGING IN THE EMPLOYEE'S LEFT LEG.

September 12, 2000 KY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Aa Limestone-Div/Davon Inc · Struck by... (Not Elsewhere Classified)

EE WAS REPAIRING A HOE ON THE CAT 235 EXCAVATOR THE HOSE SLIPPED CAUSING A FLANGE O RING TO CUT THE MIDDLE FINGER ON HIS RIGHT HAND

January 5, 2000 KY · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Aa Limestone-Div/Davon Inc · Over-exertion in lifting objects

EMPLOYEE WAS HELPING TO INSTALL A SET OF ROLLERS ON THE IMPACTOR CONVEYER. HE TURNED TO GET A PRY BAR, AFTER DOING SO HE BEGAN TO COMPLAIN OF PAIN IN HIS BACK. HE CONTINUED TO WORK HIS SHIFT T HAT DAY. WENT TO THE DOCTOR 1-7-2000, AND WAS DIAGNOSED WITH A STRAINED BACK MUSCLE. TOLD TO STAY OFF WORK A FEW DAYS AND GIVEN PAIN MEDICATION.

1999 · 7 incidents

November 19, 1999 KY · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
Aa Limestone-Div/Davon Inc · Struck against stationary object

EMPLOYEE WAS WORKING ON 980C LOADER BUCKET WHEN HE HIT HIS LEG ON THE BUCKET CUTTING EDGE. THIS CAUSED A SEVERE BRUISE TO HIS LOWER RIGHT LEG. HE WAITED UNTIL 11/30/99 BEFORE HAVING IT EXAMINE D. THE LOWER RIGHT LEG AND ANKLE WERE X-RAYED AND A DIAGNOSIS OF A SUPERFICIAL HEMATOMA WAS IDENTIFIED.

November 5, 1999 KY · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler HANDLING OF MATERIALS
Aa Limestone-Div/Davon Inc · Struck by... (Not Elsewhere Classified)

EE WAS OPERATING CAT 988B LOADER. HE WENT TO REMOVE A STRAP FROM THE CROSS BAR ON THE LOADER WHEN THE STRAP FLEW LOOSE STRIKING HIS LOWER LIP. THE METAL END OF THE STRAP PUNCTURED HIS LOWER LI P AND LOOSENED HIS 2 FRONT LOWER TEETH.

October 1, 1999 KY · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler MACHINERY
Aa Limestone-Div/Davon Inc · Struck by... (Not Elsewhere Classified)

EE WAS OPERATING A AIR CHUCK AIR BLOWER BLOWING OUT THE AIR FILTERS ON THE IMPACT CRUSHER WHILE DOING SO A SMALL PIECE OF METAL BLEW INTO HIS RIGHT EYE. THIS WAS ON FRIDAY WHEN EE WOKE UP ON M ON AM HIS EYE WAS SWOLLEN. HE WENT TO THE LOCAL CLINIC IN GRAYSON & WAS SENT TO AN EYE SPECIALIST IN ASHLAND WHERE THE METAL PARTICLE WAS REMOVED

June 4, 1999 KY · Metal/Non-Metal welder (shop) HANDTOOLS (NONPOWERED)
Aa Limestone-Div/Davon Inc · Caught in, under or between (Not Elsewhere Classified)

EE WAS TIGHTENING IMPACT CRUSHER LOCK DOWN USINGA 2" WRENCH. THE WRENCH SLIPPED MASHING FINGER (RIGHT INDEX) BETWEEN IT & THE BELT COVER. EE WAS TAKEN TO ER WHERE HE RECD 2 STITCHES & THE FIN GER WAS CLEANED & BANDAGED. IT WAS ALSO X-RAYED & FOUND TO A SMALL BONE CHI[

June 1, 1999 KY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Aa Limestone-Div/Davon Inc · Fall from machine

EMPLOYEE WAS PERFORMING HIS PRE-SHIFT EQUIPMENT CHECK ON THE HITACHI 550 EXCAVATOR. WHILE WALKING ON THE CATWALK, HE SLIPPED AND HIS FOOT LODGEDIN THE HAND HOLDER. HE LOST HIS BALANCE AND FELL BACKWARDS ONTO THE TRACK, BREAKING HIS RIGHT LEGIN TWO (2) PLACES.

May 4, 1999 KY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Aa Limestone-Div/Davon Inc · Caught in, under or between a moving and a stationary object

EMPLOYEE WAS USING A HAMMER AND DRIFT PIN TO REMOVE OLD BUSHINGS OUT OF THE LIFT CYLINDER. THE HAMMER GLANCED OFF THE DRIFT PIN STRIKING THE SMALL FINGER ON HIS LEFT HAND.

April 24, 1999 KY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman STEPPING OR KNEELING ON OBJECT
Aa Limestone-Div/Davon Inc · Struck against stationary object

EMPLOYEE WAS WALKING DOWN A RAMP AT SCALEHOUSE OFFICE WHEN HE STEPPED ON A SMALL ROCK. THIS CAUSED HIS FOOT TO GO OUT FROM UNDER HIM. WHEN THISHAPPENED IT CAUSED HIM TO SPRAIN HIS LEFT KNEE.

1998 · 7 incidents

November 19, 1998 KY · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler SLIP OR FALL OF PERSON
Aa Limestone Inc · Fall from machine

A COMBINATION OF A BROKEM STEP AND MUDDY BOOTS CAUSED THE EMPLOYEE TO SLIP AND FALL, INJURING HIS LEFT ELBOW AS IT STRUCK THE STEP.

July 24, 1998 KY · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Aa Limestone Inc · Fall from machine

FOOT SLIPPED OFF ROCK TRUCKS STEP. FELL AGAINST BUMPER. OFF 2 DAYS

June 27, 1998 KY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Aa Limestone Inc · Over-exertion (Not Elsewhere Classified)

LABORER STEPPED OFF PIPE ONTO GROUND - STEPPED DOWN 17 TO 18 INCHES - TWISTED OR BROKEN ANKLE.

March 4, 1998 KY · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Aa Limestone Inc · Fall from machine

LOADER HIT THE ROCK TRUCK AND INJURED JUMPED OFF OF IT.

February 17, 1998 KY · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Aa Limestone Inc · Caught in, under or between (Not Elsewhere Classified)

MOVING ROCK OFF OF TAILGATE AND TAILGATE SLAMMED SHUT.

January 14, 1998 KY · Metal/Non-Metal clerk, timekeeper, office worker, director of sales SLIP OR FALL OF PERSON
Aa Limestone Inc · Fall to the walkway or working surface

TRIPPED OVER RUG ON FLOOR.

1997 · 3 incidents

December 31, 1997 KY · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Aa Limestone Inc · Struck by falling object

GOT THE CABLE PULLER ON HAND.

August 6, 1997 KY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Aa Limestone Inc · Struck against a moving object

OLD FOOTBALL INJURY TO HIS BACK.

For insurers, brokers, and safety consultants

The full compliance file on AA Limestone

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.