Mining Incidents

Riverdale Quarry Metal/Non-Metal

Controlled by Roger Mahan; Gary Mahan
Riverdale, Morris County, NJ  ·  Intermittent
MSHA Mine ID: 2800001

Riverdale Quarry has $18K in proposed MSHA penalties and $0 outstanding across 6 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
86
Years on record
1985–2025
Latest incident
Aug 2025
Compliance record
MSHA citations since 2000
121
citations
19
significant & substantial
$17,570
proposed penalties
$16,718
paid to date
95% of proposed penalties paid to date, a $852 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
69
inspections on record
1,175
inspection hours
10.3
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.
121 citations across 1,175 inspection hours.
Source: MSHA inspections data, updated weekly.

Riverdale Quarry has $18K in proposed MSHA penalties and $0 outstanding across 6 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.
$18K
proposed penalties
$17K
current assessed
$17K
paid to date
$0
outstanding
120 assessments are final orders; 6 contested dockets.
As of the most recent assessment on 2026-01-28.
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 5,833 0 0 0.0
2025 Q3 5,088 0 0 0.0
2025 Q2 716 0 0 0.0
2025 Q1 2,084 0 0 0.0
2024 Q4 5,124 0 0 0.0
2024 Q3 3,830 0 0 0.0
2024 Q2 5,817 0 0 0.0
2024 Q1 2,151 0 0 0.0
Show 95 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 5,540 0 0 0.0
2023 Q3 6,885 0 0 0.0
2023 Q2 7,545 1 0 132.5
2023 Q1 7,177 0 0 0.0
2022 Q4 6,831 6 1 878.3
2022 Q3 7,058 3 0 425.0
2022 Q2 6,867 0 0 0.0
2022 Q1 6,218 0 0 0.0
2021 Q4 7,587 4 2 527.2
2021 Q3 6,545 4 2 611.2
2021 Q2 7,672 0 0 0.0
2021 Q1 6,142 1 0 162.8
2020 Q4 8,803 0 0 0.0
2020 Q3 8,329 0 0 0.0
2020 Q2 9,415 0 0 0.0
2020 Q1 5,750 0 0 0.0
2019 Q4 8,260 5 0 605.3
2019 Q3 9,194 0 0 0.0
2019 Q2 9,856 3 1 304.4
2019 Q1 6,213 3 0 482.9
2018 Q4 5,828 0 0 0.0
2018 Q3 8,598 0 0 0.0
2018 Q2 9,704 5 2 515.3
2018 Q1 7,721 0 0 0.0
2017 Q4 8,757 2 0 228.4
2017 Q3 10,446 0 0 0.0
2017 Q2 11,972 2 1 167.1
2017 Q1 7,855 0 0 0.0
2016 Q4 12,618 2 0 158.5
2016 Q3 13,332 0 0 0.0
2016 Q2 13,865 1 0 72.1
2016 Q1 10,341 0 0 0.0
2015 Q4 12,838 1 0 77.9
2015 Q3 13,485 0 0 0.0
2015 Q2 11,786 1 0 84.8
2015 Q1 8,372 0 0 0.0
2014 Q4 10,209 0 0 0.0
2014 Q3 10,224 0 0 0.0
2014 Q2 10,268 1 1 97.4
2014 Q1 9,434 0 0 0.0
2013 Q4 12,909 0 0 0.0
2013 Q3 5,675 0 0 0.0
2013 Q2 5,864 0 0 0.0
2013 Q1 5,411 0 0 0.0
2012 Q4 9,713 0 0 0.0
2012 Q3 15,241 2 0 131.2
2012 Q2 16,145 0 0 0.0
2012 Q1 9,871 1 0 101.3
2011 Q4 15,584 0 0 0.0
2011 Q3 17,740 5 0 281.8
2011 Q2 12,334 0 0 0.0
2011 Q1 8,968 0 0 0.0
2010 Q4 17,103 0 0 0.0
2010 Q3 17,775 0 0 0.0
2010 Q2 16,800 2 0 119.0
2010 Q1 6,887 0 0 0.0
2009 Q4 13,473 0 0 0.0
2009 Q3 17,751 0 0 0.0
2009 Q2 19,060 1 0 52.5
2009 Q1 10,317 3 0 290.8
2008 Q4 10,098 0 0 0.0
2008 Q3 20,866 2 0 95.8
2008 Q2 23,633 0 0 0.0
2008 Q1 19,215 3 1 156.1
2007 Q4 18,990 0 0 0.0
2007 Q3 34,038 3 0 88.1
2007 Q2 26,349 0 0 0.0
2007 Q1 21,499 0 0 0.0
2006 Q4 24,137 0 0 0.0
2006 Q3 26,525 0 0 0.0
2006 Q2 24,965 5 0 200.3
2006 Q1 19,285 2 0 103.7
2005 Q4 21,448 0 0 0.0
2005 Q3 22,996 5 0 217.4
2005 Q2 24,144 0 0 0.0
2005 Q1 14,268 0 0 0.0
2004 Q4 24,663 9 0 364.9
2004 Q3 24,938 12 4 481.2
2004 Q2 23,504 1 0 42.5
2004 Q1 15,148 4 0 264.1
2003 Q4 23,425 0 0 0.0
2003 Q3 27,202 0 0 0.0
2003 Q2 27,115 0 0 0.0
2003 Q1 19,315 0 0 0.0
2002 Q3 34,672 0 0 0.0
2002 Q2 27,327 0 0 0.0
2002 Q1 19,635 5 3 254.6
2001 Q4 39,923 0 0 0.0
2001 Q3 39,986 5 0 125.0
2001 Q2 36,279 0 0 0.0
2001 Q1 26,252 0 0 0.0
2000 Q4 33,727 0 0 0.0
2000 Q3 19,711 2 1 101.5
2000 Q2 21,847 0 0 0.0
2000 Q1 20,276 3 0 148.0
No fatalities recorded at this mine.

Reportable incidents

86 on file

2025 · 1 incident

2022 · 1 incident

April 6, 2022 NJ · Metal/Non-Metal weighman, scale person SLIP OR FALL OF PERSON
Tilcon New York Inc · Fall to the walkway or working surface

While entering the scale house the employee tripped stepping over the threshold falling on EE's left side.

2021 · 1 incident

January 20, 2021 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
Tilcon New York Inc · Struck by... (Not Elsewhere Classified)

While operating the JLG man-lift the employee used the safety gate to pull self upright. The gate swung open and hit the employee in the face causing a broken nose and laceration needing stitches.

2020 · 1 incident

July 7, 2020 NJ · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
Tilcon New York Inc · Caught in, under or between a moving and a stationary object

While replacing a lift cylinder on a haul truck the associate's right middle finger was pinched against the frame causing a small fracture in the tip of the finger.

2018 · 1 incident

August 20, 2018 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Tilcon New York Inc · Caught in, under or between running or meshing objects

Employee was attempting to push in a skirt rubber that had popped out. EE used a pry bar to push the rubber back in place and inadvertently made contact with the moving conveyor belt causing the bar to spin and pinch their finger between the bar and the chute. A few stitches received to tip of right middle finger.

2015 · 1 incident

February 20, 2015 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Tilcon New York Inc · Struck by... (Not Elsewhere Classified)

employee was attempting to repair a diesel/electric heater. while trying to remove small air line he slipped and his right hand went into the energized fan blade causing a laceration/broken bone and damage to tendon on pointer finger, and lacerations on middle and ring finger.

2013 · 1 incident

November 20, 2013 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Tilcon New York Inc · Over-exertion in lifting objects

Employee states he strained his back while shoveling out the crusher. Employee did not report the injury at time of incident, then went for treatment on 11/20/13 and then reported it to plant manager on 11/25/13 claiming he had the injury two weeks prior. Utilizing 11/20/13 as date of injury based on first medical visit.

2011 · 1 incident

July 21, 2011 NJ · Metal/Non-Metal FIRE
Tilcon New York Inc · Accident type, without injuries

Fire started inside the heavy equipment shop. The fire began with the 2006 Kawasaki 115 Z-V Frontend Wheel Loader. It is believed that the cause of the fire was an electrical short on the loader. An investigation will be performed by Kawasaki Rep. Loader heavily damaged, shop minor damages.

2010 · 2 incidents

September 23, 2010 NJ · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
Tilcon New York Inc · Fall from machine

Miner was removing a troughing idler from a conveyor and as the idler was being pulled out from the belt, the idler frame got caught on the miner's lanyard causing him to lose balance. The employee fell approximately 5 feet landing on conveyor and chute work below. 6 stitches to chin some light bruising.

April 29, 2010 NJ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Tilcon New York Inc · Fall from machine

While cleaning the windows on loader, the employee was outside the handrailing, attempting to step on the front fender. The employee misjudged the distance and slipped on the sloped part of the fender, falling to the ground.

2009 · 2 incidents

May 13, 2009 NJ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Tilcon New York Inc · Caught in, under or between (Not Elsewhere Classified)

While adjusting crusher, EE pinched his finger on the cylinder of adjusting ram.

April 29, 2009 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Tilcon New York Inc · Struck by... (Not Elsewhere Classified)

Employee was installing a bucket tooth retainer pin on bucket using an 8 lb sledge hammer when he struck his thumb.

2008 · 1 incident

November 22, 2008 NJ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Tilcon New York Inc · Struck against a moving object

Employee alleges while driving haul truck, he had pain in his neck and shoulder.

2006 · 2 incidents

March 22, 2006 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
Tilcon New York Inc · Caught in, under or between running or meshing objects

Carrying a shovel near a conveyor, employee turned and belt grabbed shovel causing employee's arm to be dragged onto conveyor.

March 21, 2006 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Tilcon New York Inc · Fall from scaffolds, walkways, platforms

Employee stepped on pillar to check belt, he slipped off pillar and fell to ground. He sustained knee and back strain injuries. Knee was not healing, referred for surgery on 5/30/06.

2004 · 1 incident

September 15, 2004 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Tilcon New York Inc · Struck by falling object

Employee rested radiator cover on frame of vehicle, the cover slipped, striking the employee's hand.

2002 · 2 incidents

July 31, 2002 NJ · Metal/Non-Metal welder (shop) OTHER
Tilcon New York Inc · Contact with hot objects or substances

EE WAS WELDING ON A PIECE OF HEAVY EQUIPMENT ON A HOT, HUMID DAY. OUTSIDE TEMPERATURE EXCEEDED 95 DEG. EE HAD SCARRING ON BOTH LEGS FROM AN ACCIDENT BACK IN EARLY 1980'S. THE BURN/SCARRING BEC AME AGGRAVATED FROM THE HIGH HEAT AND HUMIDITY. EE'S LEGS BEGAN BLEEDING AND SUSTAINED BLISTERS.

July 9, 2002 NJ · Metal/Non-Metal mine manager, mine foreman, mine owner HANDTOOLS (NONPOWERED)
Tilcon New York Inc · Struck by rolling or sliding object

EE WAS UNJAMMING A MATERIAL CHUTE. EE PULLED OUT A ROCK. WHEN THE FIRST ROCK BECAME DISLODGED, A 2ND ROCK ALSO WAS FREED UP WHICH ROLLED DOWN STRIKING EE'S INDEX FINGER ON RIGHT HAND. EE RECEI VED 10 STITCHES.

2001 · 2 incidents

May 31, 2001 NJ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Tilcon New York Inc · Struck by... (Not Elsewhere Classified)

EE WAS STRUCK BY A ROCK ON THE RIGHT THUMB.

February 14, 2001 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Tilcon New York Inc · Caught in, under or between (Not Elsewhere Classified)

EE WAS WORKING IN FEEDER ON JAW PLANT FITTING STEEL PLATES. HE WAS USING A PRY BAR. PRY BAR SLIPPED AND PINCHED HIS LEFT HAND AGAINST WALL OF FEEDER.

2000 · 2 incidents

April 27, 2000 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Tilcon New York Inc · Struck against stationary object

EE WAS BREAKING LOOSE THE ELECTRIC BOLTS ON CRUSHER #2 WHEN THE RATCHET THAT HE WAS USING SKIPPED CAUSING EE TO SLIP FORWARD STRIKING HIS RIGHT ARM AND NOSE ON THE SOCKET SEALING RING.

January 11, 2000 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Tilcon New York Inc · Caught in, under or between (Not Elsewhere Classified)

EMPLOYEE WAS CHECKING BELT TENSION ON SCREEN. SCREEN WAS JUST SHUT OFF BUT WAS STILL ROLLING ON HIGH SIDE OF ECENTRIC. EMPLOYEE REACHED AROUND GUARD TO CHECK BELT AS THE ECENTRIC ROLLED CATCH ING HIS HAND BETWEEN BELTS AND SHEAVES.

1999 · 5 incidents

September 3, 1999 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Tilcon New York Inc · Over-exertion (Not Elsewhere Classified)

EE WAS STEPPING OFF LADDER FROM FRONTEND LOADER WHEN HE OVEREXTENDED THE RIGHT LEG WHILE STEPPING TO GROUND.

August 26, 1999 NJ · Metal/Non-Metal welder (shop) MACHINERY
Tilcon New York Inc · Struck by rolling or sliding object

EMPLOYEE WAS HANGING A CHUTE AND TRIMMING IT TO FIT WHEN THE CHUTE SLID FORWARD, PINCHING EMPLOYEE'S LEFT LEG.

July 6, 1999 NJ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Tilcon New York Inc · Fall from scaffolds, walkways, platforms

EMPLOYEE WAS REMOVING A PIPE TO SCREEN #7. THE PIPE SUPPORT WAS NOT SECURE. PIPE SUPPORT FELL KNOCKING THE EMPLOYEE TO THE GROUND.

June 18, 1999 NJ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Riverdale Quarry Llc · Struck by... (Not Elsewhere Classified)

EE WAS ROLLING A METAL DRUM OF WASTE OIL CLOSER TO THE SUCTION HOSE. EE CAUGHT HIS LEFT HAND INDEX FINGER ON A SHARP EDGE OF THE DRUM CAUSING A LACERATION REQUIRING 7 STITCHES.

January 28, 1999 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Riverdale Quarry Llc · Struck by... (Not Elsewhere Classified)

EMPLOYEE HAD A PIECE OF STEEL CLAMPED ON DRILL PRESS. WHILE DRILLING THE STEEL, IT CAM ELOOSE, TURNED AND CUT EMPLOYEE'S FINGER.

1998 · 9 incidents

October 27, 1998 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverdale Quarry Llc · Over-exertion in lifting objects

EMPLOYEEWAS MOVING BLOW BARS CLOSER TO THE ASPHALT RECYCLING PLANT CRUSHER WHEN HE TWISTED HIS LWOER BACK.

October 13, 1998 NJ · Metal/Non-Metal fireman - locomotive, railroad clam operator, timekeeper, yard engine operator HANDLING OF MATERIALS
Riverdale Quarry Llc · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS KNEELING DOWN ON A 992C LOADER CHECKING FLUID LEVELS. WHILE REACHING DOWN TO PULL DIPSTICK UP, EMPLOYEE FELT PAIN IN LOWER BACK.

September 1, 1998 NJ · Metal/Non-Metal welder (shop) HANDTOOLS (NONPOWERED)
Riverdale Quarry Llc · Struck by... (Not Elsewhere Classified)

EE WAS HOLDING A T-SQUARE WHILE ANOTHER EE WAS CUTTING BELT. THE KNIFE SLIPPED OFF BELT AND ONTO T-SQUARE CUTTING THE EE.

July 18, 1998 NJ · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
Riverdale Quarry Llc · Over-exertion (Not Elsewhere Classified)

EE WAS REWIRING STARTERS. EE REMOVED JUNCTION BOX FROM THE WALL & SET IT DOWN. WHILE LEANING FORWARD, EE STRAINED LOWER BACK

June 30, 1998 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Riverdale Quarry Llc · Fall to lower level, (Not Elsewhere Classified)

EE WAS WORKING ON THE DECK OF CRUSHER #2. WHILE WALKING TO PICK UP A WRENCH ON THE DECK, THE EMPLOYEE CAUGHT HIMSELF FROM FALLING BUT JAMMED RIGHT HAND.

June 12, 1998 NJ · Metal/Non-Metal fireman - locomotive, railroad clam operator, timekeeper, yard engine operator HANDLING OF MATERIALS
Riverdale Quarry Llc · Caught in, under or between a moving and a stationary object

EE WAS LIFTING A ROCK OFF OF THE CATWALK. THE ROCK SLIPPED PINNING THE EE'S HAND AGAINST THE CATWALK.

June 9, 1998 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Riverdale Quarry Llc · Caught in, under or between a moving and a stationary object

EE WAS TIGHTENING BOLTS ON A 6" PIPE FLANGE WHEN THE WRENCH SLIPPED OFF AND PINCHED THE EE'S FINGER BETWEEN THE WRENCH AND ANOTHER BOLT AND NUT.

June 8, 1998 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Riverdale Quarry Llc · Fall onto or against objects

EE WAS INSTALLING A SCREEN IN TOWER 3. WHILE LIFTING SCREEN PANEL INTO PLACE, EE LOST HIS BALANCE AND HIT THE ROLLAWAY CHUTE.

January 15, 1998 NJ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Riverdale Quarry Llc · Struck by... (Not Elsewhere Classified)

EE WENT TO REMOVE A PIECE OF I BEAM STUCK ON THE PRIMARY MAGNET. MAGNET WAS NOT DE ENRGIZED WHICH PERMITTED ONE OF THE ANGLES ON THE MAGNET BELT TO SWING AROUND AND HIT EE S HAND.

1997 · 7 incidents

November 10, 1997 NJ · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Riverdale Quarry Llc · Over-exertion (Not Elsewhere Classified)

EE WAS ADJUSTING A LIGHT CLUSTER ON A PORTABLE LIGHT PLANT. EE TWISTED HIS BACK.

October 4, 1997 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Riverdale Quarry Llc · Struck by... (Not Elsewhere Classified)

EE WAS GRINDING ON THE OUTER ECCENTRIC BUSHING GRINDER KICKED OUT STRIKING EE'S KNEE

May 6, 1997 NJ · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Riverdale Quarry Llc · Caught in, under or between (Not Elsewhere Classified)

TWO SHANKS AND PLATE WERE BROKEN ON KOMATSU 800 BUCKET. SHANKS AND PLATE WERE FLIPPED INTO BUCKET. EMP WAS TRYING TO PULL SHANKS AND PLATE BACK FURTHER ON FORKS. EMP DID NOT REALIZE THESE PIEC ES WERE BEING HELD UP BY ROCK. ROCK DISLODGED CAUSING PLATE TO SLIP, CRUSHING EMPS FINGER.

January 27, 1997 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Riverdale Quarry Llc · Struck by flying object

A PIN CAME OUT CAUSING BUCKET TO SHIFT WHICH MADE THE PRY BAR MOVE. PRY BAR CAME LOOSE HITTING EMP IN THE FACE AND SIDE OF HEAD.

January 22, 1997 NJ · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler STEPPING OR KNEELING ON OBJECT
Riverdale Quarry Llc · Over-exertion (Not Elsewhere Classified)

EMP WAS STEPPING OVER I-BEAM ON GROUND. WHILE STEPPING OVER BEAM, EMP STEPPED ON A ROCK AND TWISTED ANKLE.

January 14, 1997 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverdale Quarry Llc · Struck by falling object

EMPS WERE TAKING A SCREEN OUT ON MIDDLE DECK OF SCREEN TOWER #1. INJURED EMP WAS ON THE BOTTOM DECK WHEN ANOTHER EMP MOVED THE SCREEN CAUSING THE SCREEN TO FALL THROUGH UNEXPECTEDLY.

1996 · 8 incidents

December 31, 1996 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverdale Quarry Llc · Struck by... (Not Elsewhere Classified)

EE WAS TRYING TO UNJAM OVERSIZED ROCK. ROCK BROKE FREE HITTING EE'S LEFT HAND.

December 23, 1996 NJ · Metal/Non-Metal clerk, timekeeper, office worker, director of sales SLIP OR FALL OF PERSON
Riverdale Quarry Llc · Fall to the walkway or working surface

STEPPED ON ROCK IN PARKING LOT TWISTING RIGHT ANKLE AND FALLING.

November 25, 1996 NJ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman STRIKING OR BUMPING
Riverdale Quarry Llc · Struck against stationary object

EMPLOYEE WAS ON THE BOTTOM DECK OF #4 SCREEN. EMPLOYEE STOOD UP AND HIT RIGHT SHOULDER.

October 24, 1996 NJ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Riverdale Quarry Llc · Over-exertion (Not Elsewhere Classified)

EE WAS OPERATING AN 85 TON TEREX HAUL TRUCK. WHILE TURNING THE STEERING WHEEL, EE FELT PAIN IN HIS WRIST.

July 9, 1996 NJ · Metal/Non-Metal electrician, lineman OCCUPATIONAL SKIN DISEASES
Riverdale Quarry Llc · Absorption of radiations, caustics, toxic and noxious substances

EE WAS WORKING ON CRUSHER THAT HAD STALLED. EE KEPT WALKING THROUGH WATER TAINTED WITH OIL. SAFETY BOOTS BECAME SOAKED. EE HAD ALLERGIC REACTION TO WET SHOES.

May 1, 1996 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
Riverdale Quarry Llc · Struck by flying object

EMPLOYEE WAS WORKING IN THE AREA OF THE 7' HOPPER. EMPLOYEE WAS STRUCK BY A FALLING ROCK IN AND AROUND RIGHT EAR.

March 1, 1996 NJ · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
Riverdale Quarry Llc · Contact with hot objects or substances

VECHILE EE WAS DRIVING GOT STUCK ON THE FILL PILE. EE GOT OUT OF VEHICLE TO ACCESS THE PROBLEM. WHILE LOOKING UNDER VEHICLE, EE TOUCHED THE MUFFLER.

January 3, 1996 NJ · Metal/Non-Metal welder (shop) DISORDERS (REPEATED TRAUMA)
Riverdale Quarry Llc · Over-exertion (Not Elsewhere Classified)

TUNNEL SYNDROME REPETITIVE USE OF THE WRIST DURING DAILY WORK TASKS. RIGHT WRIST BECAME PAINFUL.

1995 · 8 incidents

October 11, 1995 NJ · Metal/Non-Metal drill operator MACHINERY
Riverdale Quarry Llc · Struck by... (Not Elsewhere Classified)

DRILLER INJURED WHILE CAHNGING BIT.

September 12, 1995 NJ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Riverdale Quarry Llc · Caught in, under or between (Not Elsewhere Classified)

EE WAS MOVING A STEEL GATE IN SCREEN TOWER #1. THE STEEL GATE HINGED BACK AND PINCHED EE'S LEFT HAND.

July 11, 1995 NJ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Riverdale Quarry Llc · Struck against stationary object

EMPLOYEE WAS ASSISTING LOADING CULVERT PIPE ON TRACTOR TRAILER. EMPLOYEE HAD CLIMBED TO TOP OF PIPE TO HOOK UP CRANE. WHILE CLIMBING DOWN EMPLOYEE'S RIGHT ARM CAUGHT THE JAGGED EDGE OF THE PIP E CUTTING THE EMPLOYEE'S RIGHT ARM.

May 30, 1995 NJ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Riverdale Quarry Llc · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS CLIMBING DOWN FROM A 966C FORKLIFT WHEN EMPLOYEE STEPPED ON A STONE AND TURNED LEFTANKLE.

March 21, 1995 NJ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator OTHER
Riverdale Quarry Company · Struck by... (Not Elsewhere Classified)

WHICH PERFORMING BAGHOUSE REPAIRS, WIND BLEW BAGHOUSE DOOR CLOSED HITTING EMPLOYEE ON RIGHT SHOULDER.

March 20, 1995 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Riverdale Quarry Company · Over-exertion in lifting objects

LIFTING SADDLE OUT OF OMNICONE CRUSHER.

February 23, 1995 NJ · Metal/Non-Metal pumper MACHINERY
Riverdale Quarry Company · Flash burns (welding)

EE WAS HELPING WELDERS PUT REROD TOGETHER. FLASH HURT BOTH HIS EYES.

February 15, 1995 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Riverdale Quarry Company · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS WORKING IN ASPHALT PLATN PUGMILL, REMOVING ASPHHALT FROM SHAFT WITH SLEDGE HAMMER. SLEDGEHAMMER SLIPPED OFF METAL, HIT EMPLOYEE IN THE KNEE (RIGHT SIDE).

1994 · 1 incident

August 29, 1994 NJ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Riverdale Quarry Company · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS SHOVELING DEBRIS OUT OF HOPPER TWISTED HIS BACK WRONG & INJURED HIMSELF

1992 · 2 incidents

October 6, 1992 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Riverdale Quarry Company · Fall from machine

EMPLOYEE VIOLATED SAFETY PROCEDURES BY NOT ENGAGING ELECTRICAL LOCK-OUT SYSTEM ON CRUSHER BELT BEFORE ENTERING FOR REPAIRS. THE BELT WAS STARTED PREMATURDY. EMPLOYEE SLIPPED AND FELL OFF BLE T, TWISTING LEFT KNEE.

April 6, 1992 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Riverdale Quarry Company · Struck by... (Not Elsewhere Classified)

DISASSEMBLING ROTACHAMBER (BRAKE VALVE) OF ROCK TRUCK. APPLED AIR TO THE DIAPHRAGM AND CHAMBER BLEW APART. PIECE STRUCK LEFT HAND-BROKE 3 BONES IN HAND.

1991 · 2 incidents

May 8, 1991 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Riverdale Quarry Company · Over-exertion in lifting objects

BENT TO LIFT TRACKING IDLER & COULDNT STRAIGHTE N UP PAIN IN LOWER BACK

1990 · 12 incidents

November 30, 1990 NJ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Riverdale Quarry Company · Struck against stationary object

GARRED IN TRUCK HIT LEFT ELBOW AGAINST TRUCK DOOR

November 3, 1990 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Riverdale Quarry Company · Fall from ladders

CLIMBING LADDER STEPS ON PLANT 1 SLIPPED ON THIRD STEP & TWISTED BOTH ANKLES

October 16, 1990 NJ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Riverdale Quarry Company · Fall to the walkway or working surface

A ROCK GOT CAUGHT IN TAILGATE OF TRUCK CLIMBED INTO BODY OF TRUCK TO GET ROCK OUT AND SLIPPED AND FELL INTO BODY OF TRUCK LANDING ON RIGHT LEG TWISTING RIGHT KNEE.

October 5, 1990 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Riverdale Quarry Company · Struck by... (Not Elsewhere Classified)

WORKING ON SCREEN HIT HAND WITH HAMMER.

September 25, 1990 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Riverdale Quarry Company · Contact with hot objects or substances

CUTTING STONE HOT METAL FELL LODGED BETWEEN BOOOOT AND SOCK BURNING R ANKLE

July 18, 1990 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Riverdale Quarry Company · Fall from machine

WHILE GETTING OFF WORK BENCH SLIPPED AND HIT HEAD ON TRUCK BUMPER.

June 20, 1990 NJ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Riverdale Quarry Company · Over-exertion (Not Elsewhere Classified)

CLIMBED DOWN LOADER STEPS/MISSED LAST STEP AND TWISTED BACK.

June 1, 1990 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverdale Quarry Company · Over-exertion (Not Elsewhere Classified)

MOVING BUCKET TEETH IN PARTS ROOM/GRABBED ONE THAT STARTED TO SLIDE AND TWISTED WRIST.

May 25, 1990 NJ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Riverdale Quarry Company · Over-exertion (Not Elsewhere Classified)

JERKED BACK ON ONE OF THE SUDDEN MOVES OF LOADER.

May 2, 1990 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverdale Quarry Company · Caught in, under or between a moving and a stationary object

GETTING ROCK OF GRIZZLY SMASHED INDEX FINGER.

April 23, 1990 NJ · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
Riverdale Quarry Company · Over-exertion (Not Elsewhere Classified)

TRIPPED OVER ROCK WALKING ACROSS YARD/TWISTED ANKLE

1989 · 3 incidents

October 26, 1989 NJ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Riverdale Quarry Company · Caught in, under or between (Not Elsewhere Classified)

ROLLED ROCK OFF GRISLEY AND CAUGHT HAND BETWEEN ROCK AND STEEL CUT TOP OF LEFT HAND.

March 11, 1989 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Riverdale Quarry Company · Fall to the walkway or working surface

SLIPPED IN THE MUD, AND FELL ON THE GROUND.

1988 · 3 incidents

October 12, 1988 NJ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Riverdale Quarry Company · Struck by falling object

WHILE LOADING THE BODY OF THE UKE LARGE ROCK FELL IN THE BODY JOLTING THE UKE

July 29, 1988 NJ · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDLING OF MATERIALS
Riverdale Quarry Company · Over-exertion in lifting objects

LIFTING PAD FOR A CRANE.

February 17, 1988 NJ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Riverdale Quarry Company · Over-exertion in lifting objects

LIFTED A BATTERY, TURNED THE WRONG WAY PULLED HIS BACK.

1987 · 3 incidents

June 1, 1987 NJ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Riverdale Quarry Company · Struck against a moving object

DRIVER BACKED T2O CLOSE TO BANK AND TRUCK TOPPLED OVER.

January 7, 1987 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverdale Quarry Company · Over-exertion in lifting objects

I.NAME WAS SHOV9LING AND BENDING AND HE STRAINED HIS BACK

1985 · 1 incident

August 7, 1985 NJ · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDLING OF MATERIALS
Riverdale Quarry Company · Over-exertion (Not Elsewhere Classified)

I.NAME WAS TURN3NG FLYWHEEL PULLEY BY HAND AND STRAINED BACK

For insurers, brokers, and safety consultants

The full compliance file on Riverdale 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.