Mining Incidents

Blackstone Pit & Mill Metal/Non-Metal

madera, Madera County, CA  ·  Abandoned
MSHA Mine ID: 0401966

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Fatalities
0
Total incidents
5
Years on record
2001–2003
Latest incident
Jan 2003
Compliance record
MSHA citations since 2000
21
citations
5
significant & substantial
$1,875
proposed penalties
$1,875
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
2004 Q1 0 0 0
2002 Q4 7,408 0 0 0.0
2002 Q3 6,920 0 0 0.0
2002 Q2 9,196 4 0 435.0
2002 Q1 8,823 6 2 680.0
2001 Q4 8,311 0 0 0.0
2001 Q3 8,816 0 0 0.0
2001 Q2 7,979 6 2 752.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

5 on file

2003 · 2 incidents

January 8, 2003 CA · Metal/Non-Metal NO VALUE FOUND
Calaveras Materials Inc · No Value Found

EE WAS REACHING INTO CHUTE OF ROCK PLANT AND STRAINED HIS LEFT ELBOW & FOREARM WHEN PULLING BACK SKIRT.

January 2, 2003 CA · Metal/Non-Metal truck driver HANDLING OF MATERIALS
Calaveras Materials Inc · Struck against stationary object

EE WAS AT BUNKER TO START JOB AND STEPPED OUT OF TRUCK TO FILL TRUCK AND GRABBED I BEAM TO STEP OUT AND INSIDE OF I BEAM A PIECE OF METAL SPIN CUT LEFT PALM OF EE. EE SUFFERED LACERATION TO LE FT PALM.

2002 · 1 incident

January 14, 2002 CA · Metal/Non-Metal coal sampler HANDLING OF MATERIALS
Calaveras Materials Inc · Caught in, under or between (Not Elsewhere Classified)

EMPLOYEE AND CREW WORKING ON CONVEYER MOTOR BELTS AFTER CHECKING BELTS ALIGNMENT, CREW WENT TO CHECK TENSION. EMPLOYEE HAD HOLD OF BELTS AND ROTATED RIGHT RING FINGER AND LITTLE FINGER INTO BELT PULLEY.

2001 · 2 incidents

August 28, 2001 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Calaveras Materials Inc · Over-exertion in wielding or throwing objects

EE WAS SWINGING A SUSPENDED BEATER-BAR WHICH BEATS THE UNDERSIDE OF THE GRIZZLEY TO VIBRATE & KEEP MATERIAL FLOWING FROM HOPPER. MINIMAL EFFORT IS REQUIRED TO SWING THE SUSPENDED BAR/HAMMER. E E THREW OUT RIGHT SHOULDER WHEN SWINGING BAR. RIGHT SHOULDER STRAIN.

April 19, 2001 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Calaveras Materials Inc · Over-exertion (Not Elsewhere Classified)

WORKER WAS PULLING ON A COME-ALONG TO LOOSEN A CONE CRUSHER, SLIPPED & STRAINED HIS LOWER BACK.