Mining Incidents

DQA Dumbarton Quarry Metal/Non-Metal

DQA · Surface
Controlled by Rich Gates
Fremont, Alameda County, CA  ·  Abandoned
MSHA Mine ID: 0402380

DQA Dumbarton Quarry has $2K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
38
Years on record
1983–2005
Latest incident
Oct 2005
Compliance record
MSHA citations since 2000
30
citations
7
significant & substantial
$2,314
proposed penalties
$2,174
paid to date
94% of proposed penalties paid to date, a $140 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
17
inspections on record
262
inspection hours
n/a
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.
Rate withheld: 262 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

DQA Dumbarton Quarry has $2K in proposed MSHA penalties and $0 outstanding across 1 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.
$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
30 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2007-03-20.
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
2007 Q2 8,994 0 0 0.0
2007 Q1 5,719 4 0 699.4
2006 Q4 9,244 0 0 0.0
2006 Q3 10,349 5 1 483.1
2006 Q2 7,909 0 0 0.0
2006 Q1 4,264 2 1 469.0
2005 Q4 7,170 0 0 0.0
2005 Q3 9,711 0 0 0.0
Show 22 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2005 Q2 8,098 0 0 0.0
2005 Q1 4,167 0 0 0.0
2004 Q4 6,516 1 0 153.5
2004 Q3 8,535 0 0 0.0
2004 Q2 12,091 4 1 330.8
2004 Q1 9,547 0 0 0.0
2003 Q4 13,256 3 1 226.3
2003 Q3 13,131 1 1 76.2
2003 Q2 13,289 0 0 0.0
2003 Q1 9,652 0 0 0.0
2002 Q4 10,269 0 0 0.0
2002 Q3 14,734 0 0 0.0
2002 Q2 15,873 1 1 63.0
2002 Q1 8,187 0 0 0.0
2001 Q4 13,014 0 0 0.0
2001 Q3 3,158 0 0 0.0
2001 Q2 17,647 0 0 0.0
2001 Q1 9,722 4 0 411.4
2000 Q4 14,300 5 1 349.7
2000 Q3 17,751 0 0 0.0
2000 Q2 16,217 0 0 0.0
2000 Q1 11,296 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

38 on file

2005 · 1 incident

October 17, 2005 CA · Metal/Non-Metal ledgeman/hand, quarry man HANDTOOLS (NONPOWERED)
DQA · Struck by... (Not Elsewhere Classified)

Miner was cutting a belt using a hand-operated belt cutter. Miner applied force to the cutter which moved forward suddenly. Forearm was lacerated by cutter guide fence and/or securement device. Laceration closed by 12 stitches.

2000 · 3 incidents

December 28, 2000 CA · Metal/Non-Metal drill helper HANDTOOLS (NONPOWERED)
DQA · Caught in, under or between a moving and a stationary object

THE EE ATTEMPTED TO FREE UP A TROUGHING ROLLER WHILE THE PLANT WAS RUNNING. NO LOCK OUT TAG A WAS DONE. THE EE STRUCK THE ROLLER WITH A HAMMER AND WAS DROWN INTO THE ROLLER. A PUNCTURE WOUND WAS RECEIVED TO HIS LEFT FOREARM.

April 3, 2000 CA · Metal/Non-Metal mine manager, mine foreman, mine owner HANDTOOLS (NONPOWERED)
DQA · Struck by flying object

WHILE STRIKING A PUNCH OR CHISEL WITH A HAMMER A PIECE OF METAL BROKE OFF OF THE CHISEL AND PUNCTURED THE FOREARM IMBEDDING A SMALL PIECE OF METAL IN THE ARM.

January 24, 2000 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
DQA · Caught in, under or between (Not Elsewhere Classified)

AN EE SMASHED HIS FINGER WHILE REMOVING A GUARD FROM A TAIL PULLEY ON A BELT STACKER.

1998 · 1 incident

October 31, 1998 CA · Metal/Non-Metal ELECTRICAL
DQA · Accident type, without injuries

ELECTRICAL MALFUNCTION AT THE MAIN PANEL LOCATEDINSIDE A STATIONARY TRAILER CAUSED A FIRE TRANSFORMERS SUPPLED BY PG&E DID NOT TRIP CAUSING THEFIRE TO CONTINUE TOTAL LOSS TO THE TRAILER CONTAI NING ELECTRICAL SUBPANELS CONTROLLING THE ROCK PUMP

1996 · 1 incident

April 23, 1996 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
DQA · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS REMOVING BARREL OF OIL FROM STORAGE SHED. BARREL SLIPPED AND STRUCK GARDENING HOE USED TO SCRAPE FLOOR. HOE FLIPPED UP AND WOOD HANDLE STRUCK EMPLOYEE IN FOREHEAD.

1994 · 3 incidents

March 7, 1994 CA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
DQA · Struck by falling object

TOGGLE SEAT SLIPPED & FELL ON ARM

February 9, 1994 CA · Metal/Non-Metal weighman, scale person HANDLING OF MATERIALS
DQA · Over-exertion (Not Elsewhere Classified)

ACT OF MOVING BOXES OF RECORDS- SPRAIN- FINGER ON LEFT HAND.

February 4, 1994 CA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
DQA · Over-exertion in lifting objects

HELPING TO LIFT ASSEMBLED TAIL PULLEY, SHAFT AND BEARINGS INTO PLACE IN A CONFINED AREA AND STRAINED BACK.

1992 · 1 incident

September 8, 1992 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
DQA · Fall from machine

EE WAS CLIMBING DOWN LADDER OF EQUIP AND SLIPPED.

1991 · 3 incidents

September 5, 1991 CA · Metal/Non-Metal safety director HANDLING OF MATERIALS
DQA · Over-exertion in lifting objects

EMPLOYEE, WHO HAD A PRE-EXISTING UMBICAL HERNIA, WAS REMOVING A FILE BOX FROM A STORAGE CLOSET AND MOVED IN SUCH A WAY THAT THE BOWEL BECAME INCARCERATED IN THE HERNIA REQUIRING THAT EMPLOYEE UNDERGO A HERNIORRHAPHY SIX DAYS LATER

August 13, 1991 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
DQA · Struck against stationary object

EMPLOYEE WAS USING AIR CHISEL TO CUT BOLTS FROM BELT CLIPS WHEN CHISEL SLIPPED AND EMPLOYEE CUT HAND ON BELT CLIP.

June 3, 1991 CA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler SLIP OR FALL OF PERSON
DQA · Fall down stairs

EMPL WALKING DOWN STAIRS AT END OF SHIFT AND LOST HIS FOOTING ON AN ALUMINUM CAN.

1990 · 2 incidents

June 28, 1990 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
DQA · Over-exertion in lifting objects

EMPLOYEE BENT OVER AND PICKED UP A BEARING HOUSING FOUND IN PIT.

April 30, 1990 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver OTHER
DQA · Caught in, under or between a moving and a stationary object

HIGH WINDS BLEW OPEN DOOR CLOSED INJURING OPERATOR'S FINGER.

1989 · 1 incident

April 21, 1989 CA · Metal/Non-Metal outside foreman, leadman SLIP OR FALL OF PERSON
DQA · Fall to the walkway or working surface

WALKING BACKWARDS WHILE DIRECTING A TRUCK EMPLOYEE TRIPPED AND FELL.

1988 · 2 incidents

December 3, 1988 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
DQA · Caught in, under or between a moving and a stationary object

EMPLOYEE WAS GUIDING ONE SIDE OF CRUSHER LINES OUT OF CRUSHER(LINER WAS BEING LIFTIED WITH RTC)AFTER REMOVING THE LAST BOLT,WHICH WAS BOUND UP,HE SIGNALED THE CRANE OPERATOR TO PICK UP THE PIE SLIGHTLY.THE PIECE SHIFTED AND CAUGHT HIS FINGER BETWEEN THE BOLT HEAD AND BOLT POCKET.EMPLOYEE WAS WEARING WELDERS PROTECTIVE GLOVES AS SUPPLIED BY HOPPER.LEFT INDEX FINGER REQUIRED 5 STITCH

July 22, 1988 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
DQA · Struck against a moving object

EMPL STATES THAT BOUNCING MOTION OF TRUCK CAUSED BACK PAIN.

1987 · 6 incidents

October 15, 1987 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
DQA · Struck by falling object

EMPLOYEE WAS AS8ISTING ON A MAINTGENANCE PROJECT WHEN A 1IN DRIVE SOCKET FELL FROM A H EIGHT OF 4FT LANDING ON EMPOYEES FINGER

August 21, 1987 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
DQA · Caught in, under or between a moving and a stationary object

EMPLOYEE WAS HE5PING WASH DOWN ROCK PLANT AFTER A PRODUCTION SHIFT AND CAUGHT HIS THUMB BETWEEN THE HOSE NOZZLE AND A METAL BEAM. LACERATED LEFT THUMB.

August 3, 1987 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
DQA · Fall from machine

OPERATOR WAS HA6LING CRUSHED ROCK TO FEED STOCKPILE AND BACKED TOO CLOSE TO EDGE OF PILE CAUSING TRUCK TO SLIDE BACKWARDS AT WHICH TIME THE OPERATOR JUMPED FROM THE CAM TO THE GROUND.NO DAMAGE TO TRUCK. 3

July 10, 1987 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
DQA · Over-exertion (Not Elsewhere Classified)

CUMULATIVE ONSE7 OF PAIN CAUSED BY TWISTING TO LOOK BEHIND HIM

April 9, 1987 CA · Metal/Non-Metal welder (shop) MACHINERY
DQA · Struck by flying object

SHORTLY AFTER C2MPLETING WELDING EMPL NOTICED FOREIGN BODY SENSATION IN LEFT EYE.

March 21, 1987 CA · Metal/Non-Metal welder (shop) MACHINERY
DQA · Struck by flying object

EMPL WALKED THR6 SHOP DOOR ,METAL PARTICLE FROM GRINDER FLEW THRU SIDE OF HIS SAFETY GLASSES AND ENTERED LEFT EYE.

1986 · 4 incidents

September 23, 1986 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
DQA · Struck by... (Not Elsewhere Classified)

EE WAS CUTTING 6ELT FLASHING WITH RAZOR BLADE KNIFE TOWARDS HIS BODY WHEN KNIFE SLIPPED & CUT 1/4" DEEP INTO EES RIGHT LEG.

August 21, 1986 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
DQA · Over-exertion in lifting objects

STRAINED BACK U3LOADING 50 LB OF ANFO FROM TRUCK.

March 24, 1986 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
DQA · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS HO5DING KNOCKER WRENCH AND WAS STRUCK WITH THE SLEDGE.

January 21, 1986 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
DQA · Struck by falling object

EMPLOYEE WAS UN5OADING CAB FOR 966 LOADER & DROPPED A PALLET ON HIS BIG TOE RIGHT FOOT

1985 · 2 incidents

November 5, 1985 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
DQA · Over-exertion in lifting objects

EMPLOYEE WAS LI0TING TIMBERS FOR CRIBBING THE EQUIPMENT

March 14, 1985 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
DQA · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS INSTALLING A HOBART WELDER ON A SHAOP TRUCK. RIGHT MIDDLE FINGER CAME IN CONTACT WITH THE FLYWHEEL OF THE HOBART WELDER.

1984 · 5 incidents

October 23, 1984 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
DQA · Fall from machine

EE WAS CLIMBING A LADDER TO ENTER THE CAB OF THE ROCK TRUCK WHEN HE SLIPPED & FELL BACKWARDS.

July 20, 1984 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
DQA · Fall from machine

EMPLOYEE STEPPED OFF D-8K DOZER AT QUITTING TIME, ONTO DOZER ARM AND SLIPPED ON LOOSE MATERIAL LAYING ON THE DOZER ARM.

June 2, 1984 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
DQA · Struck by falling object

EE DROPPED A PIECE OF STEEL ON HIS RIGHT FOOT.

May 8, 1984 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
DQA · Struck by flying object

EMPLOYEE WAS WORKING AT THE HOT PLANT WHEN A SMALL METAL FRAGMENT FLEW INTO HIS EYE.

March 30, 1984 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
DQA · Fall onto or against objects

EMP WAS WORKING UNDER SCREEN DECK, CLEANING UP. HE GRABBED FRAMEWORK TO REPOSITION HIMSELF. THE FRAMEWORK WAS COVERED WITH DUSTY MATERIAL. HE LOST HIS GRIP AND FELL BACKWARD, BUMPING HIS HEAD ON STEEL HOPPER

1983 · 3 incidents

September 22, 1983 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
DQA · Struck by flying object

FLATTENING STOCKPILE NEAR FEEDER,BACKING UP SMALL ROCK CAUGHT IN TRACKS AND FLIPPED UP INTO EYE.

June 1, 1983 CA · Metal/Non-Metal welder (shop) MACHINERY
DQA · Struck by flying object

EMPLOYEE WAS WELDING METAL LODGED IN HIS EYE

March 3, 1983 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
DQA · Contact with hot objects or substances

EMPLOYEE WAS HELPING FABRICATE MATERIAL TO BE WELDED.

For insurers, brokers, and safety consultants

The full compliance file on DQA Dumbarton 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.