Martin Marietta Materials, Inc · Bodily reaction, (Not Elsewhere Classified)
While performing cleanup duties, the employee turned body to take a step and dislocated left knee.
Boonsboro Quarry Metal/Non-Metal
Martin Marietta Materials, Inc
· Surface
Controlled by
Martin Marietta Materials Inc
Boonsboro,
Washington County,
MD
·
Active
MSHA Mine ID: 1800024
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- Fatalities
- 0
- Total incidents
- 11
- Years on record
- 2000–2024
- Latest incident
- Aug 2024
Compliance record
MSHA citations since 2000
73
citations
8
significant & substantial
$8,734
proposed penalties
$7,627
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 | 3,825 | 1 | 0 | 261.4 |
| 2025 Q3 | 1,805 | 0 | 0 | 0.0 |
| 2025 Q2 | 1,375 | 0 | 0 | 0.0 |
| 2025 Q1 | 3,149 | 0 | 0 | 0.0 |
| 2024 Q4 | 2,174 | 0 | 0 | 0.0 |
| 2024 Q2 | 2,791 | 0 | 0 | 0.0 |
| 2024 Q1 | 1,516 | 0 | 0 | 0.0 |
| 2023 Q4 | 3,134 | 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
11 on file2024 · 1 incident
2023 · 1 incident
Martin Marietta Materials, Inc · Fall to the walkway or working surface
The employee was connecting a water hose to the drill to fill with water. Once connected, EE turned back and tripped over the hose that was laying on the ground causing EE to fall and dislocate left middle and index fingers.
2017 · 1 incident
Martin Marietta Materials, Inc · Caught in, under or between (Not Elsewhere Classified)
An employee was installing pipe supports for a grizzly. The supports consisted of 8" schedule 160 steel 52" long. As employee was installing a support, they pinched their hand between the wall of a the crusher and pipe support causing a laceration require 12 sutures to close the wound.
2011 · 1 incident
June 20, 2011
MD · Metal/Non-Metal
haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver
HANDLING OF MATERIALS
Martin Marietta Materials, Inc · Over-exertion in pulling or pushing objects
Trying to lift hood on Mack truck and it caught and employee pulled second time and something popped in shoulder. R. shoulder/cervical strain plan - alternate ice & heat to area, take Naproxen (he already has a prescription) Robavin 750 mg & Ultram 50 mg. Follow up in one week - use sling provided - no use of R. arm.
2009 · 1 incident
March 18, 2009
MD · Metal/Non-Metal
warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator
SLIP OR FALL OF PERSON
Martin Marietta Materials, Inc · Fall onto or against objects
EE was opening another EE's shoot for dust release, the other EE backed up too far and hit the clam gate on bottom of hopper & impact of clam knocked lever out of EE's hand and knocked him against beam to the ground, causing laceration to EE's left arm.
2006 · 1 incident
August 9, 2006
MD · Metal/Non-Metal
haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver
MACHINERY
Martin Marietta Materials, Inc · Struck by... (Not Elsewhere Classified)
The employee was greasing an R-35 Euclid haul truck with power greaser. Attempted to grease a fitting on the truck when the grease line busted on end of greaser, causing the grease to enter his left hand pinky finger.
2004 · 1 incident
June 10, 2004
MD · Metal/Non-Metal
warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator
HANDTOOLS (NONPOWERED)
Martin Marietta Aggregates · Struck by... (Not Elsewhere Classified)
Employee was pounding anvils out of anvil ring with a sledge hammer. Another employee was standing about 25 feet away. While pounding the anvil a piece of metal from sledge hammer, head came off and hit the second employee in the upper left thigh.
2003 · 1 incident
March 11, 2003
MD · Metal/Non-Metal
maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech
HANDTOOLS (NONPOWERED)
Martin Marietta Aggregates · Fall to the walkway or working surface
EE WAS STANDING ON THE GROUND PULLING ON A 14" PIPE WRENCH WITH A 24" PIPE HANDLE. WRENCH SLIPPED FROM DOUBLE NUTS ON A STUD AND THE EE FELL ON HIS REAR END ON THE GROUND WITH HIS RIGHT FOOT U NDER HIM.
2000 · 3 incidents
Martin Marietta Aggregates · Over-exertion (Not Elsewhere Classified)
EMPLOYEE WAS DISMOUNTING THE TRAM CAB OF INGERSOLL T-4 DRILL; HE SLIPPED ON THE FOOTSTEP AND STRAINED DIGITS OF THE RIGHT HAND THAT WAS HOLDING TO THE GRID IRON.
Martin Marietta Aggregates · Over-exertion in lifting objects
EMPLOYEE WAS MOVING A 55 GAL OF OIL WHEN HE STOOD THE BARREL UP HE FELT PAIN IN THE GROIN.
January 3, 2000
MD · Metal/Non-Metal
warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator
HANDLING OF MATERIALS
Martin Marietta Aggregates · Caught in, under or between (Not Elsewhere Classified)
EE DROPPED A BAR USED TO HOLD OPEN AN INSPECTION DOOR OF #2 HAMMER MILL AND MASHED THE 3RD DIGIT OF HIS LEFT HAD. HE SUSTAINED A CONTUSION UNDER THE FINGERNAIL. EE WAS TAKEN TO DR. WHO DRAINED THE BLOOD FROM UNDER THE FINGERNAIL.