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Establishment profile

MITSUBISHI CEMENT CORPORATION

5808 STATE HIGHWAY 18, LUCERNE VALLEY, CA, 92356
212312Crushed and Broken Limestone Mining and Quarrying

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OSHA inspections
29
over 37 years
Violations
32
$67,205 in penalties
SVEP
YES
Severe violator program
Violations across 2 federal agencies
Enforcement actions from multiple agencies may indicate systemic compliance issues across functions.
Accident investigations on record
5 hospitalizations · 6 OSHA follow-ups

Summary

MITSUBISHI CEMENT CORPORATION has accumulated 32 OSHA violations across 29 inspections over 37 years of recorded history, with $67,205 in total assessed penalties.

The establishment sits in the 99th percentile for violations within its industry-state peer group of 1,680 employers. Inspection frequency runs at the 100th percentile. The most recent enforcement activity was recorded 10 months ago.

Federal records were found in 2 of 15 sources. Sources without matching records returned empty for this establishment.

Agency coverage

MITSUBISHI CEMENT CORPORATION appears in OSHA workplace safety, MSHA mine safety, EPA environmental compliance, FMCSA motor carrier registration, and UVA Corporate Prosecution Registry records only. No matching records were found in WHD wage enforcement, NLRB labor relations, OFLC visa and labor certification (historical), SAM.gov federal debarment, CMS nursing home enforcement, CPSC product recalls, or NHTSA vehicle recalls.

OSHA workplace safety

Inspections
29
0.8 / yr · last 37 yrs
Violations
32
0.9 / yr
Penalties
$67,205
$2,100 avg / violation
16% serious84% other
Inspection trigger · planned
17 of 29
Inspection trigger · accident
6 of 29

59% of inspections at this establishment produced violations, with 4 inspections producing serious-or-greater violations.

Most-cited OSHA standards

Top OSHA standards cited at this employer, ranked by citation count. Standards (CFR sections) cluster citations into safety themes -- machine guarding, lockout-tagout, hazard communication, fall protection, process safety, etc. A concentration on one or two sections reveals a pattern that individual citations don’t. 20 distinct standards shown · 21 citations in this view · $65,095 in penalties.

CFR sectionCitationsInspectionsTotal penaltyFirst citedLast cited
3942(A)22$550Dec 2017Apr 2022
3380(F)(1)(A)11$18,000Jul 2020Jul 2020
1632 A11$18,000Nov 2006Nov 2006
1632 H11$7,200Nov 2006Nov 2006
342 A11$5,000Nov 2006Nov 2006
3314 D11$5,000May 1999May 1999
3942 A11$5,000Mar 1996Mar 1996
3314 A11$1,875Mar 1995Mar 1995
3220 B0211$600Nov 2006Nov 2006
3210 B11$485Nov 2008Nov 2008
3276(E)11$450Apr 2020Apr 2020
3578 G11$400Jun 2009Jun 2009
3328(B)11$375Dec 2025Dec 2025
29 CFR 2473.0001 B11$335Jul 2012Jul 2012
6175(B)(6)11$325Feb 2019Feb 2019
5157(C)(2)11$300Apr 2022Apr 2022
29 CFR 2340.0022 B11$300Apr 2022Apr 2022
4650(D)11$300Apr 2022Apr 2022
29 CFR 2473.0002 A11$300Apr 2022Apr 2022
29 CFR 2340.0022 A11$300Aug 2010Aug 2010

Source: OSHA inspection citations (violation_detail). CFR section codes can be looked up at osha.gov/laws-regs for the formal standard text. Per-inspection detail and the specific violation descriptions are available by expanding individual inspections below.

Peer comparison

99th

Worse on violations than nearly every other employer in NAICS 2123 within CA. Peer group: 1,680 employers. This establishment has 32 OSHA violations; peer median is 2.

Fewer violationsMore violations
Penalty percentile
100th
peer median: $300
Inspection frequency
100th
peer median: 2

Safety self-report (OSHA 300A)

No self-reported injury rates filed with OSHA's Injury Tracking Application for MITSUBISHI CEMENT CORPORATION. Verify directly with OSHA Injury Tracking Application

Industry benchmark

Industry avg TRIR
1.9
BLS SOII 2024
Industry avg DART
1.2
BLS SOII 2024
Self-reported TRIR
Not in OSHA ITA

BLS rates reflect industry-wide averages. Self-reported figures come from OSHA’s Injury Tracking Application; absence of self-reported data does not necessarily indicate non-compliance — many establishments fall below the ITA reporting threshold.

Inspection breakdown

Planned
17
Complaint
1
Accident
6
Referral
1

Complaint- and accident-triggered inspections are stronger risk signals than routine planned inspections.

OSHA severe injury reports

No severe injury reports (hospitalization, amputation, or loss of an eye) on file under 29 CFR 1904.39 for MITSUBISHI CEMENT CORPORATION. Verify directly with Occupational Safety and Health Administration

OSHA accident events

Accidents, fatalities, and catastrophes documented during OSHA inspections at this employer. Each entry links to the inspection that recorded it.

DateEventInjuriesHospitalizedFatalities
Mar 14, 2020Burn,Buttocks,Fall,Fall On Same Level,Hand,Knee,Lime,Lime Kiln,Moving,Skid Steer loader,Steam,Water11
Nov 18, 1998CLOTHING,THROAT,UNCONSCIOUSNESS,REPAIR,WORK RULES,CAUGHT BY,LOCKOUT,DUMP TRUCK,DRIVE SHAFT,POWER TAKE-OFF11
Dec 21, 1995EMBANKMENT,FRACTURE,ROLL-OVER,EQUIPMENT FAILURE,STEEP GRADE,SEAT BELT,TRUCK,ARM,LOST CONTROL,TRUCK DRIVER11
Dec 15, 1995UNSECURED,WORK RULES,LACERATION,DRIVE SHAFT,INADEQUATE MAINT,LOCKOUT,CRUSHED,ARM,MECH MALFUNCTION,UNGUARDED21
Jun 21, 1994BURN,HEAD,MAINTENANCE,ROTATING PARTS,KILN,WORK RULES,LOCKOUT,STRUCK BY,FALLING OBJECT,HIGH TEMPERATURE11

Source: OSHA accident investigations. Narratives are recorded by the inspecting officer and may be truncated.

Activity timeline

Data refreshed
Weekly
First OSHA inspection
Most recent activity
10 months ago

Most recent federal enforcement activity recorded 10 months ago. Data on this page is refreshed weekly.

Wage & Hour Division (WHD)

No WHD wage, overtime, or child-labor enforcement cases on file for MITSUBISHI CEMENT CORPORATION. Verify directly with Wage and Hour Division

Mine safety (MSHA)

Company-level in CA — for MITSUBISHI CEMENT CORPORATION, not this location alone

Violations
899
Assessed penalties
$477,281

Mine Safety & Health Administration — citations issued at mining operations. MSHA records cases at the company/regional level (no worksite address), so these are matched by company name and state and may span other MITSUBISHI CEMENT CORPORATION operations in the same state.

MSHA citations

Mine Safety and Health Administration citations. S&S (significant and substantial) marks violations that could reasonably contribute to a serious injury. Negligence rating is MSHA’s operator-culpability assessment (none, low, moderate, high, or reckless disregard). Proposed = assessed at issuance; Paid = post-settlement / appeal. 100 citations · 75S&S · $305,409 proposed / $206,739 paid.

CitationMineDateSectionS&SNegligenceProposedPaid
6373608
CUSHENBURY PLANT
San Bernardino, CA
Aug 2006YesModNegligence$42,000$30,000
8555504
CUSHENBURY PLANT
San Bernardino, CA
May 2010YesHighNegligence$17,800$17,800
9681610
CUSHENBURY PLANT
San Bernardino, CA
Jun 2022NoModNegligence$11,772$796
9681609
CUSHENBURY PLANT
San Bernardino, CA
Jun 2022NoModNegligence$11,772$796
5165176
CUSHENBURY PLANT
San Bernardino, CA
Apr 2026YesHighNegligence$9,004
5165015
CUSHENBURY PLANT
San Bernardino, CA
Jul 2025YesModNegligence$5,716$5,716
9684241
CUSHENBURY PLANT
San Bernardino, CA
Feb 2023YesHighNegligence$5,262$5,262
8555505
CUSHENBURY PLANT
San Bernardino, CA
May 2010YesHighNegligence$5,211$5,211
9506357
CUSHENBURY PLANT
San Bernardino, CA
Jun 2021NoLowNegligence$5,109$1,033
8689414
CUSHENBURY PLANT
San Bernardino, CA
Apr 2012NoModNegligence$5,080$3,000
8555515
CUSHENBURY PLANT
San Bernardino, CA
Jun 2010YesHighNegligence$5,080$5,080
7980376
CUSHENBURY PLANT
San Bernardino, CA
Aug 2009NoHighNegligence$5,080$4,305
8689882
CUSHENBURY PLANT
San Bernardino, CA
Oct 2013NoModNegligence$5,000$3,000
8607159
CUSHENBURY PLANT
San Bernardino, CA
Sep 2011YesModNegligence$4,329$4,329
8607158
CUSHENBURY PLANT
San Bernardino, CA
Sep 2011YesLowNegligence$4,329$2,000
8607152
CUSHENBURY PLANT
San Bernardino, CA
Sep 2011YesModNegligence$4,329$4,329
7980265
CUSHENBURY PLANT
San Bernardino, CA
Dec 2008YesModNegligence$4,329$1,304
7980262
CUSHENBURY PLANT
San Bernardino, CA
Dec 2008YesModNegligence$4,329$1,304
8788973
CUSHENBURY PLANT
San Bernardino, CA
May 2017NoModNegligence$4,267$3,414
5165120
CUSHENBURY PLANT
San Bernardino, CA
Dec 2025YesModNegligence$3,448
6440402
CUSHENBURY PLANT
San Bernardino, CA
Jul 2008YesHighNegligence$3,405$3,405
6440401
CUSHENBURY PLANT
San Bernardino, CA
Jul 2008YesHighNegligence$3,405$3,405
8689418
CUSHENBURY PLANT
San Bernardino, CA
Apr 2012NoHighNegligence$3,143$3,143
8567219
CUSHENBURY PLANT
San Bernardino, CA
Mar 2011YesModNegligence$3,143$3,143
5166214
CUSHENBURY PLANT
San Bernardino, CA
Dec 2025YesLowNegligence$2,936$2,936
5166213
CUSHENBURY PLANT
San Bernardino, CA
Dec 2025YesLowNegligence$2,936$2,936
8555509
CUSHENBURY PLANT
San Bernardino, CA
May 2010YesHighNegligence$2,901$2,901
9681068
CUSHENBURY PLANT
San Bernardino, CA
Jun 2022YesModNegligence$2,790$2,790
5165174
CUSHENBURY PLANT
San Bernardino, CA
Apr 2026YesModNegligence$2,782$2,782
5165178
CUSHENBURY PLANT
San Bernardino, CA
Apr 2026YesHighNegligence$2,503$2,503
9890490
CUSHENBURY PLANT
San Bernardino, CA
Dec 2025YesModNegligence$2,503
8994989
CUSHENBURY PLANT
San Bernardino, CA
Feb 2018YesModNegligence$2,487$2,487
9432682
CUSHENBURY PLANT
San Bernardino, CA
Dec 2019YesModNegligence$2,394$2,394
9681608
CUSHENBURY PLANT
San Bernardino, CA
Jun 2022NoModNegligence$2,376$796
7980369
CUSHENBURY PLANT
San Bernardino, CA
Aug 2009YesModNegligence$2,282$2,282
6440446
CUSHENBURY PLANT
San Bernardino, CA
Aug 2008NoLowNegligence$2,282$461
6440445
CUSHENBURY PLANT
San Bernardino, CA
Aug 2008YesLowNegligence$2,282$688
8874760
CUSHENBURY PLANT
San Bernardino, CA
Dec 2016YesModNegligence$2,250$2,250
9506764
CUSHENBURY PLANT
San Bernardino, CA
Feb 2022YesModNegligence$2,194$2,194
8689137
CUSHENBURY PLANT
San Bernardino, CA
Aug 2012NoModNegligence$2,106$425
8560371
CUSHENBURY PLANT
San Bernardino, CA
Mar 2011YesLowNegligence$2,106$285
8567225
CUSHENBURY PLANT
San Bernardino, CA
Mar 2011YesLowNegligence$2,106$634
8788930
CUSHENBURY PLANT
San Bernardino, CA
Dec 2016NoModNegligence$2,043$875
9432469
CUSHENBURY PLANT
San Bernardino, CA
Feb 2019YesModNegligence$2,006$2,006
6339258
CUSHENBURY PLANT
San Bernardino, CA
Jan 2002YesModNegligence$1,957$1,957
8698024
CUSHENBURY PLANT
San Bernardino, CA
Aug 2013YesModNegligence$1,944$1,650
8607161
CUSHENBURY PLANT
San Bernardino, CA
Sep 2011YesModNegligence$1,944$1,944
5166222
CUSHENBURY PLANT
San Bernardino, CA
Dec 2025YesLowNegligence$1,818
5166221
CUSHENBURY PLANT
San Bernardino, CA
Dec 2025YesLowNegligence$1,818
5166216
CUSHENBURY PLANT
San Bernardino, CA
Dec 2025YesLowNegligence$1,818
8697892
CUSHENBURY PLANT
San Bernardino, CA
Aug 2014NoHighNegligence$1,795$1,795
8613575
CUSHENBURY PLANT
San Bernardino, CA
Apr 2012YesModNegligence$1,795$1,795
6440516
CUSHENBURY PLANT
San Bernardino, CA
Jun 2008YesModNegligence$1,795$1,795
6440514
CUSHENBURY PLANT
San Bernardino, CA
Jun 2008YesModNegligence$1,795$1,795
6431545
CUSHENBURY PLANT
San Bernardino, CA
Jun 2008YesModNegligence$1,795$1,795
6431544
CUSHENBURY PLANT
San Bernardino, CA
Jun 2008YesModNegligence$1,795$1,795
8994490
CUSHENBURY PLANT
San Bernardino, CA
Jun 2017YesModNegligence$1,770$1,770
8697947
CUSHENBURY PLANT
San Bernardino, CA
Mar 2013YesModNegligence$1,657$1,657
8697946
CUSHENBURY PLANT
San Bernardino, CA
Mar 2013YesModNegligence$1,657$1,657
8555469
CUSHENBURY PLANT
San Bernardino, CA
Mar 2010YesHighNegligence$1,657$1,657
8874763
CUSHENBURY PLANT
San Bernardino, CA
Dec 2016YesModNegligence$1,607$921
8788895
CUSHENBURY PLANT
San Bernardino, CA
Aug 2016YesModNegligence$1,607$1,607
9506887
CUSHENBURY PLANT
San Bernardino, CA
Mar 2022NoModNegligence$1,593$371
8689150
CUSHENBURY PLANT
San Bernardino, CA
Aug 2012YesLowNegligence$1,530$687
7980367
CUSHENBURY PLANT
San Bernardino, CA
Aug 2009YesLowNegligence$1,530$688
9892020
CUSHENBURY PLANT
San Bernardino, CA
Jan 2024NoModNegligence$1,511$305
9892017
CUSHENBURY PLANT
San Bernardino, CA
Jan 2024NoModNegligence$1,511$305
9892013
CUSHENBURY PLANT
San Bernardino, CA
Jan 2024YesModNegligence$1,511$1,511
8874761
CUSHENBURY PLANT
San Bernardino, CA
Dec 2016NoModNegligence$1,508$1,442
9684075
CUSHENBURY PLANT
San Bernardino, CA
Jul 2023NoModNegligence$1,463$328
9892708
CUSHENBURY PLANT
San Bernardino, CA
Jan 2025YesModNegligence$1,431$1,431
7980251
CUSHENBURY PLANT
San Bernardino, CA
Dec 2008YesModNegligence$1,412$1,412
6440602
CUSHENBURY PLANT
San Bernardino, CA
Jun 2008YesModNegligence$1,412$1,412
8689593
CUSHENBURY PLANT
San Bernardino, CA
Mar 2013YesModNegligence$1,304$1,304
6485509
CUSHENBURY PLANT
San Bernardino, CA
Jun 2010YesHighNegligence$1,304$1,304
6485508
CUSHENBURY PLANT
San Bernardino, CA
Jun 2010YesHighNegligence$1,304$1,304
8555514
CUSHENBURY PLANT
San Bernardino, CA
Jun 2010YesHighNegligence$1,304$1,304
8555513
CUSHENBURY PLANT
San Bernardino, CA
Jun 2010YesHighNegligence$1,304$1,304
8555512
CUSHENBURY PLANT
San Bernardino, CA
Jun 2010YesHighNegligence$1,304$1,304
8555511
CUSHENBURY PLANT
San Bernardino, CA
Jun 2010YesHighNegligence$1,304$1,304
8555510
CUSHENBURY PLANT
San Bernardino, CA
May 2010YesLowNegligence$1,304$176
6485499
CUSHENBURY PLANT
San Bernardino, CA
May 2010YesHighNegligence$1,304$1,304
6485498
CUSHENBURY PLANT
San Bernardino, CA
May 2010YesHighNegligence$1,304$1,304
8788972
CUSHENBURY PLANT
San Bernardino, CA
May 2017NoModNegligence$1,286$1,286
9684240
CUSHENBURY PLANT
San Bernardino, CA
Feb 2023NoModNegligence$1,246$376
7997509
CUSHENBURY PLANT
San Bernardino, CA
Aug 2003YesHighNegligence$1,238$1,238
6351652
CUSHENBURY PLANT
San Bernardino, CA
Aug 2003YesHighNegligence$1,225$1,225
5165180
CUSHENBURY PLANT
San Bernardino, CA
Apr 2026YesModNegligence$1,126
7960565
CUSHENBURY PLANT
San Bernardino, CA
Feb 2002NoHighNegligence$1,122$1,122
8994992
CUSHENBURY PLANT
San Bernardino, CA
Feb 2018YesModNegligence$1,118$1,118
8994991
CUSHENBURY PLANT
San Bernardino, CA
Feb 2018YesModNegligence$1,118$1,118
8689599
CUSHENBURY PLANT
San Bernardino, CA
Apr 2013YesModNegligence$1,111$1,111
6485492
CUSHENBURY PLANT
San Bernardino, CA
May 2010YesLowNegligence$1,111$499
8555466
CUSHENBURY PLANT
San Bernardino, CA
Mar 2010NoHighNegligence$1,111$224
8555451
CUSHENBURY PLANT
San Bernardino, CA
Feb 2010NoModNegligence$1,111$100
8555449
CUSHENBURY PLANT
San Bernardino, CA
Feb 2010YesModNegligence$1,111$1,111
8555447
CUSHENBURY PLANT
San Bernardino, CA
Feb 2010NoModNegligence$1,111$224
6399908
CUSHENBURY PLANT
San Bernardino, CA
Jan 2008NoLowNegligence$1,111$335
9890614
CUSHENBURY PLANT
San Bernardino, CA
Jan 2025YesLowNegligence$1,037$825
9506358
CUSHENBURY PLANT
San Bernardino, CA
Jun 2021YesLowNegligence$1,033$1,033

Source: MSHA citation database. “Contractor” annotations indicate the cited party was on-site at the mine but not the mine’s operator -- responsibility attaches to the contractor LLC, not the mine’s owner. Section codes reference 30 CFR (the Mine Safety and Health regulations).

Labor relations (NLRB)

No NLRB unfair labor practice charges or union representation cases on file for MITSUBISHI CEMENT CORPORATION. Verify directly with National Labor Relations Board

Visa & labor certification (OFLC) — historical

No H-1B, H-2A, or H-2B labor condition applications on file (historical data only — DOL ended OFLC publication) for MITSUBISHI CEMENT CORPORATION. Verify directly with Office of Foreign Labor Certification

Environmental compliance (EPA)

EPA inspections
4
Quarters non-compliant
0

EPA Enforcement and Compliance History — Clean Air Act, Clean Water Act, RCRA, Safe Drinking Water Act. Status: No Violation Identified.

EPA-registered facilities

Every EPA ECHO facility associated with this employer, sorted most-significant first. Each row links to EPA’s Detailed Facility Report for the source-of-truth record. Permits column lists active programs (Air = Clean Air Act, Water = Clean Water Act, RCRA = hazardous waste, TRI = Toxics Release Inventory reporting). 1 facility.

FacilityPermitsStatusInspectionsFormal actionsPenaltiesLast inspectedECHO
MITSUBISHI CEMENT CO
5808 HWY 18 · LUCERNE VALLEY, CA, 92356
AirWaterRCRATRINo Violation Identified40Jun 2025View →

Source: EPA ECHO (Enforcement and Compliance History Online). Compliance status follows EPA’s own labels (“Sig Violation” = significant noncompliance; QNCR = quarters of noncompliance over the recent reporting window). Inactive facilities (struck through) retain historical enforcement records even after operations ceased.

Motor carrier safety (FMCSA)

DOT number
3883019
Operation
C

Federal Motor Carrier Safety Administration — DOT-regulated carrier registration and fleet data.

Federal criminal prosecution record

Prosecutions
1
Total payments
$134.0M
Disposition
trial
Crime type
Antitrust

First case: 2001-05-10. Most recent: 2001-05-10. Source: UVA Corporate Prosecution Registry — federal pleas, DPAs, and NPAs.

Inspection history

DateTriggerViolationsSeriousPenalty
2025-08-19Planned1$375
2021-12-13Planned5$1,600
2020-03-16Accident1$18,000
2019-10-23Planned4$1,050
2018-11-14Planned2$485
2017-11-28Planned1$150
2016-06-13Planned3$525
2015-03-02Unprogrammed Related0$0
2014-12-19Planned0$0
2013-10-22Unprogrammed Related0$0
2012-12-17Unprogrammed Related0$0
2012-07-10Planned2$560
2010-07-21Planned1$300
2009-06-09Planned1$400
2009-03-05Follow-up0$0
2008-07-04Programmed Related1$485
2008-06-04Planned0$0
2008-01-28Programmed Related1$150
2006-08-21Programmed Related42$30,800
2005-04-20Planned2$450
1998-11-19Accident11$5,000
1997-10-23Complaint0$0
1995-12-22Accident11$5,000
1995-12-22Accident0$0
1994-06-22Accident11$1,875
1991-05-01Planned0$0
1990-12-17Planned0$0
1990-09-20Accident0$0
1988-07-01Referral0$0

Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.

In the news

Other employers in this industry and state

Other employers in crushed and broken limestone mining and quarrying within CA, ordered by federal enforcement volume:

Related searches

About this data

This profile aggregates federal enforcement records on MITSUBISHI CEMENT CORPORATION from every major federal compliance and enforcement source plus the UVA Corporate Prosecution Registry. OSHA workplace safety inspections, WHD wage cases, MSHA mine safety, EPA environmental enforcement, NLRB labor relations, OFLC visa/labor certification, FMCSA motor carrier registration, SAM.gov debarments, CMS nursing-home records, BLS industry safety benchmarks, OSHA ITA self-reported injury rates, SEC enforcement and financial disclosures, CPSC and NHTSA recalls.

Establishments are matched across agencies using normalized employer name, state, and ZIP code.

OSHA citations typically appear 3–8 months after the inspection, so very recent enforcement actions may not yet be reflected. Profiles may be incomplete if the establishment operates under multiple legal names or files under variations our entity-matching rules don’t yet cover. To report a missing record or correction, email corrections@fastdol.com.

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Frequently asked

What is MITSUBISHI CEMENT CORPORATION's OSHA violation history?
MITSUBISHI CEMENT CORPORATION has 29 OSHA inspections on record with 32 violations and $67,205 in total penalties.
How does MITSUBISHI CEMENT CORPORATION's safety record compare to its industry?
MITSUBISHI CEMENT CORPORATION operates in the crushed and broken limestone mining and quarrying industry. The industry average Total Recordable Incident Rate (TRIR) is 1.9.