Mining Incidents

Amboy Limestone Quarry Metal/Non-Metal

Omya, Inc · Surface
Controlled by Omya Industries Inc
Amboy, San Bernardino County, CA  ·  Intermittent
MSHA Mine ID: 0405301

Amboy Limestone Quarry has $925 in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
2
Years on record
2008
Latest incident
May 2008
Compliance record
MSHA citations since 2004
10
citations
0
significant & substantial
$925
proposed penalties
$925
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
16
inspections on record
178
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: 178 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Amboy Limestone Quarry has $925 in proposed MSHA penalties and $0 outstanding across 0 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.
$925
proposed penalties
$925
current assessed
$925
paid to date
$0
outstanding
10 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2020-01-22.
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
2023 Q2 329 0 0 0.0
2023 Q1 586 0 0 0.0
2020 Q1 1,911 1 0 523.3
2011 Q2 452 0 0 0.0
2011 Q1 392 0 0 0.0
2009 Q2 1,789 0 0 0.0
2009 Q1 4,563 3 0 657.5
2008 Q4 1,018 0 0 0.0
Show 31 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2008 Q2 2,236 0 0 0.0
2008 Q1 3,745 0 0 0.0
2007 Q4 2,183 0 0 0.0
2006 Q4 46 0 0 0.0
2006 Q3 92 0 0 0.0
2006 Q2 42 0 0 0.0
2006 Q1 53 0 0 0.0
2005 Q4 36 0 0 0.0
2005 Q3 24 0 0 0.0
2005 Q2 157 1 0 6369.4
2005 Q1 97 0 0 0.0
2004 Q4 136 0 0 0.0
2004 Q3 134 0 0 0.0
2004 Q2 153 3 0 19607.8
2004 Q1 120 0 0 0.0
2003 Q4 90 0 0 0.0
2003 Q3 72 0 0 0.0
2003 Q2 217 0 0 0.0
2003 Q1 320 0 0 0.0
2002 Q4 104 0 0 0.0
2002 Q3 0 0 0
2002 Q2 14 0 0 0.0
2002 Q1 422 0 0 0.0
2001 Q4 172 0 0 0.0
2001 Q3 113 0 0 0.0
2001 Q2 14 0 0 0.0
2001 Q1 1,078 0 0 0.0
2000 Q4 0 0 0
2000 Q3 1,068 0 0 0.0
2000 Q2 1,557 0 0 0.0
2000 Q1 692 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

2 on file

2008 · 2 incidents

May 5, 2008 CA · Metal/Non-Metal assayer, geologist, metallurgist, engineer, engineer management SLIP OR FALL OF PERSON
Omya California Inc · Fall from machine

Employee was directing the loading of an excavator bucket into a haul truck bed when he fell from the truck and landed on both feet.

April 28, 2008 CA · Metal/Non-Metal assistant mine foreman, assistant mine manager HANDLING OF MATERIALS
Omya California Inc · Over-exertion in lifting objects

Employee was removing a rock from a portable crusher. When he twisted to drop the rock from the crusher he felt pain in his back.

For insurers, brokers, and safety consultants

The full compliance file on Amboy Limestone 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.