Mining Incidents

MA Planta Aguadilla Metal/Non-Metal

Controlled by Ricardo Cardona
Aquadilla, Aguadilla County, PR  ·  Active
MSHA Mine ID: 5400110

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Fatalities
0
Total incidents
19
Years on record
2004–2025
Latest incident
Sep 2025
Compliance record
MSHA citations since 2000
71
citations
31
significant & substantial
$14,486
proposed penalties
$14,046
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 6,689 0 0 0.0
2025 Q3 4,570 0 0 0.0
2025 Q2 5,094 0 0 0.0
2025 Q1 3,323 1 0 300.9
2024 Q4 3,017 0 0 0.0
2024 Q3 1,717 0 0 0.0
2024 Q2 2,836 1 0 352.6
2024 Q1 3,016 2 1 663.1
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

19 on file

2025 · 1 incident

September 22, 2025 - · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Master Concrete and Aggregates LLC · Struck by... (Not Elsewhere Classified)

On September 22, 2025, an individual entered the facility's parking lot and illegally stole an employee's vehicle. The individual took the wrong exit and headed toward the plant area. The employee confronted them but was struck in the back of the head with a drill found in the vehicle, causing a minor injury. The individual was later arrested in the nearby community.

2024 · 1 incident

2023 · 1 incident

February 2, 2023 - · Metal/Non-Metal utility man, shift tech, service/dump truck operator MACHINERY
Master Concrete and Aggregates LLC · Struck by falling object

Employee was cleaning a continuous corridor to a vibrator screen, when an approximately 2-inch stone struck employee's right shoulder, causing a bruise.

2022 · 1 incident

February 18, 2022 - · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
Master Concrete and Aggregates LLC · Struck by... (Not Elsewhere Classified)

While the employee was cutting a strap of employee's truck with a knife to replace an hydraulic hose, the thumb of employee's left hand was cut.

2020 · 2 incidents

September 11, 2020 - · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Master Concrete and Aggregates LLC · Struck against stationary object

Employee alleges that EE was tightening the oil tube bolts on the 320B excavator bucket. When EE was adjusting one of the Allen screws, the tool came loose causing the ring finger of EE's left hand to hit the metal, causing swelling in the finger.

July 14, 2020 - · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Master Concrete and Aggregates LLC · Fall onto or against objects

The employee alleges that while filling the truck's tank with diesel the hose of the air pump that draws diesel from the tank came loose, spreading diesel down the ladder, railings, and floor of the truck. When the employee tried to get down, EE slipped hitting EE's groin, thigh and knee on the right side of the body.

2019 · 1 incident

August 1, 2019 - · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
Master Concrete and Aggregates LLC · Caught in, under or between a moving and a stationary object

The employee received a small cut in left hand while making a movement of a tire of the backhoe loader. Employee received 5 stitches at a diagnostic and treatment center. Employee will return to work on August 9, 2019, as notified.

2016 · 1 incident

May 16, 2016 - · Metal/Non-Metal rotary bucket excavator operator MACHINERY
Mini Master Concrete Service Inc · Struck against a moving object

The employee indicates a painful back and apparent pinched nerve, allegedly from operating the excavator 320. The employee was referred to Fondo del Seguro de Estado by a private doctor.

2015 · 1 incident

September 14, 2015 - · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
Mini Master Concrete Service Inc · Over-exertion in pulling or pushing objects

The employee was accommodating the Plant Conveyor Toughing of conveyor #6 (with an approximate weight of 10 to 15 lbs.). When he forcefully pushed to accommodate it into place, he felt discomfort in his neck and lower back.

2014 · 4 incidents

May 15, 2014 - · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
Master Aggregates Toa Baja Corp. · Struck against stationary object

The employee was opening the hatch on the back of the conveyor cover, pricked the thumb of right hand.

May 14, 2014 - · Metal/Non-Metal dispatcher OTHER
Master Aggregates Toa Baja Corp. · Bodily reaction, (Not Elsewhere Classified)

The employee was walking in the office area and slipped, ee injured lower back and left hip.

April 28, 2014 - · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Master Aggregates Toa Baja Corp. · Over-exertion (Not Elsewhere Classified)

While the employee was taking out the starter of the truck, he made an undue force, causing him to injure his lower back.

January 8, 2014 - · Metal/Non-Metal rotary bucket excavator operator MACHINERY
Master Aggregates Toa Baja Corp. · Struck against a moving object

Employee of the 600 excavator was referred "Fondo Del Seguro De Estado" for back pain.

2013 · 1 incident

October 1, 2013 - · Metal/Non-Metal mine manager, mine foreman, mine owner HANDLING OF MATERIALS
Master Aggregates Toa Baja Corp. · Struck by... (Not Elsewhere Classified)

The employee going up the stairs of the conveyor belt, the belt slipped and pricking the middle finger of the right hand.

2010 · 1 incident

June 21, 2010 - · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Cantera Medina, Inc. · Over-exertion (Not Elsewhere Classified)

The employee was cleaning with shovel under conveyor, when he felt pain in his back and hip & couldn't move.

2009 · 1 incident

November 9, 2009 - · Metal/Non-Metal welder (shop) HANDTOOLS (NONPOWERED)
Master Aggregates Toa Baja Corp Pta 6 Aguadilla · Struck by... (Not Elsewhere Classified)

EE was said that he was holding a nail with a wrench then he started hammering the wrench it slipped and hit between his left thumb and index finger. It caused a laceration and his hand to swell up.

2008 · 1 incident

June 28, 2008 - · Metal/Non-Metal pumper SLIP OR FALL OF PERSON
Master Aggregates Toa Baja Corp Pta 6 Aguadilla · Fall onto or against objects

The employee was giving maintenance to the conveyor; he was standing in the hallway holding the interior part of the handrail of the conveyor. He got dizzy, falling on hallway, hitting his right leg and affecting the muscle of the thigh.

2006 · 1 incident

January 10, 2006 - · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Cantera Medina Inc · Caught in, under or between a moving and a stationary object

The employee was repairing the primary feeder chain. The chain was twisted. When he tried to straighten the chain, it was loose on the bottom. When it stretched, it moved trapping the little finger of the right hand against the sproket.

2004 · 1 incident

June 2, 2004 - · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Cantera Medina Inc · Struck by flying object

Angle iron fell on ground, bounced on rock acting as a see saw, hit person on chin causing cut at chin.