Mining Incidents

San Rafael Rock Quarry Metal/Non-Metal

Dutra Materials · Surface
Controlled by CRH PLC
San Rafael, Marin County, CA  ·  Active
MSHA Mine ID: 0400021

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Fatalities
0
Total incidents
30
Years on record
2000–2025
Latest incident
Aug 2025
Compliance record
MSHA citations since 2000
274
citations
54
significant & substantial
$107,969
proposed penalties
$94,136
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 8,674 1 0 115.3
2025 Q3 9,432 0 0 0.0
2025 Q2 9,779 1 1 102.3
2025 Q1 1,560 0 0 0.0
2024 Q4 5,673 6 0 1057.6
2024 Q3 14,680 6 0 408.7
2024 Q2 11,548 0 0 0.0
2024 Q1 1,560 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

30 on file

2025 · 2 incidents

August 12, 2025 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Dutra Materials · Over-exertion (Not Elsewhere Classified)

On 8/12 employee was descending tower stair case and slipped on step and twisted lower back. On 8/19 it was brought to our attention as they wanted to seek treatment .

May 22, 2025 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
Dutra Materials · Fall from machine

Employee was injured while attempting to dislodge a rock from the portable crusher. While standing on the short stub conveyor and using a pry bar, they lost balance and fell approximately 4 feet onto the stacker conveyor below, resulting in an injury to right shoulder.

2016 · 1 incident

February 9, 2016 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Dutra Materials · Struck by falling object

Changing drill hammer on drill rig putting on Jay wrench onto the hammer and wrench dropped on employee's left hand crushing the tips of EE's two middle fingers. EE needed stitches to close the cuts on both fingers.

2015 · 1 incident

June 11, 2015 CA · Metal/Non-Metal outside foreman, leadman SLIP OR FALL OF PERSON
Dutra Materials · Fall down stairs

Employee step down on two steps stair and twisted his ankle then fell to the ground. The ankle swelled and, so employee left to go home in Sparks Nevada. Employee went to a health clinic and the ankle is fracture. Employee has not missed any work days as he is an administrator and will be working from an office to do his work.

2014 · 3 incidents

June 19, 2014 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Dutra Materials · Fall from piled material

EE is a dump truck driver/owner operator working thru T407. As he was on standby work due to a blasting operation, he was staged outside the pit area and in the North/East area of the quarry. While standing outside of his truck on a pile of material, he proceeded to step off the pile and lost his footing, thereby falling onto the ground.

April 4, 2014 CA · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
Dutra Materials · Fall onto or against objects

Injury occurred while pile butt was repairing handrail at the Quarry spring line. He cut the handrail away and lost footing resulting in a fall to the water below, where he struck a float in the water. This resulted in two broken ribs and a punctured lung. Employee will be off duty until he has rehabilitated. Lost time injury.

January 8, 2014 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Dutra Materials · Caught in, under or between (Not Elsewhere Classified)

Swinging a striking hammer.

2011 · 1 incident

October 31, 2011 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Dutra Materials · Over-exertion (Not Elsewhere Classified)

Rock or uneven surface

2009 · 1 incident

September 22, 2009 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Dutra Materials · Struck by falling object

While removing a rubber lined wear plate, the plate came free and struck employee on the foot above the steel toe causing a laceration.

2008 · 2 incidents

December 11, 2008 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman NONPOWERED HAULAGE
Dutra Materials · Over-exertion in pulling or pushing objects

Transporting wheelbarrow when it began to tip over. Caused employee to be unbalanced and he incurred a strain to his lower back.

July 10, 2008 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Dutra Materials · Over-exertion in pulling or pushing objects

Strained right shoulder while pulling fill cord during water truck filling operation.

2007 · 4 incidents

December 31, 2007 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman DISORDERS (REPEATED TRAUMA)
Dutra Materials · (Not Elsewhere Classified)

Hearing STS

December 31, 2007 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman DISORDERS (REPEATED TRAUMA)
Dutra Materials · (Not Elsewhere Classified)

Hearing STS

August 30, 2007 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Dutra Materials · Struck against a moving object

Employee was operating loader to place broken rock into haul trucks, while digging, the loader contacted unbroken rock which stopped the loader causing the employee to be jarred resulting in pain in lower back and pain radiating into left leg.

August 1, 2007 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman OTHER
Dutra Materials · Bodily reaction, (Not Elsewhere Classified)

Walking on level but uneven surface and felt a twinge in lower right back. Pain became more severe and notified supervisor.

2006 · 2 incidents

October 1, 2006 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Dutra Materials · Struck by... (Not Elsewhere Classified)

While cleaning out a rip-rap chute with pry bar a rock moved and the pry bar struck the employee on the right shoulder. Xray was negative. Slight bruise to right shoulder.

August 10, 2006 CA · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand HANDLING OF MATERIALS
Dutra Materials · Struck by... (Not Elsewhere Classified)

While loading a barge, operator was attempting to make slack in a hand line and the line struck him in the back of the right hand causing a break between the little and ring fingers.

2004 · 5 incidents

July 12, 2004 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Dutra Materials · Fall onto or against objects

HE SLIPPED AND FELL WHILE WALKING ON THE LOADING DOCK. HE STRUCK HIS LEFT HAND ON A METAL GRATING CAUSING A LACERATION. PROVIDED GLOVES BUT WAS NOT WEARING THEM.

June 14, 2004 CA · Metal/Non-Metal ledgeman/hand, quarry man HANDTOOLS (NONPOWERED)
Dutra Materials · Struck against stationary object

Ee was clearing diester of rock that was blocking passage. He was using a sledge hammer, the handle broke, causing right hand to strike rock.

June 13, 2004 CA · Metal/Non-Metal welder (shop) MACHINERY
Dutra Materials · Struck by flying object

Employee was patching hole on the barge when hydraulic ram shifted unexpectedly causing multiple pieces of debris to hit right temple area.

January 16, 2004 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Dutra Materials · Caught in, under or between (Not Elsewhere Classified)

While changing punch plates in diester at primary plant, he was in a hurry and not wearing gloves. Lacerated his fingers on punch plates.

January 16, 2004 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Dutra Materials · Struck by... (Not Elsewhere Classified)

DOING MAINTENANCE WORK, WAS CUTTING JAW BELT WITH RAZOR KNIFE & IT SLIPPED DUE TO WET CONDITIONS & LACERATED FINGERS.

2002 · 5 incidents

October 15, 2002 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Dutra Materials · Caught in, under or between a moving and a stationary object

LARGE ROCK ROLLED ONTO EMPLOYEE'S LEFT HAND PINCHING HIS FINGERS BETWEEN A ROCK & STEEL STRUCTURE.

April 17, 2002 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Dutra Materials · Over-exertion (Not Elsewhere Classified)

CLIMBING DOWN FROM STRUCTURE, ROLLED LEFT ANKLE OUTWARD.

March 20, 2002 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Dutra Materials · Struck against a moving object

WHILE OPERATING MANLIFT, TRAVELLING DOWNGRADE (~22%) MACHINE APPEARED TO OVERSPEED. MACHINE TRAVELLED OVER A DEPRESSION CAUSING A VIOLENT JERK WHICH CATAPULTED EE INTO THE AIR. HE WAS PULLED B ACK INTO THE BASKET BY THE HARNESS & LANYARD. HETHEN STRUCK HIS HEAD ON THE BASKET.

February 26, 2002 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Dutra Materials · Over-exertion in lifting objects

WHILE LIFTING HAUL TRUCK BATTERY EMPLOYEE STRAINED HIS RIGHT WRIST.

2000 · 3 incidents

September 25, 2000 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Dutra Materials · Struck by... (Not Elsewhere Classified)

EE WAS IN MIDDLE DECK OF SCREEN (SAFETY GLASSES WERE ON) GLASSES FOGGED UP & EE TOOK OFF GLASSESTO WIPE OFF GLASSES & FACE. DUST WAS INTRODUCED INTO RIGHT EYE

August 16, 2000 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Dutra Materials · Struck against a moving object

PERFORMING NORMAL DUTIES WHEN EE EXPERIENCED SEVERE PAIN IN HIS RIGHT SIDE LOWER ABDOMENT

June 28, 2000 CA · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
Dutra Materials · Over-exertion (Not Elsewhere Classified)

EE WAS RETURING FROM LUBE SHOP WALKING TOWARD TRUCK STOP. AT TOP OF KNOLL HE THEN STARTED DOWNSLIGHT DECLINE WHEN HE STEPPED IN A SLIGHT DEPRESSION. HE FELL FORWARD TWISTING HIS LEFT ANKLE