Establishment profile
ACE COGENERATION COMPANY
END OF NADEAU RD, TRONA, CA, 93592
212312 — Crushed and Broken Limestone Mining and Quarrying
Summary
ACE COGENERATION COMPANY has accumulated 0 OSHA violations across 1 inspection over 16 years of recorded history.
The most recent federal enforcement activity was recorded 16 years ago.
Federal records were found in 1 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
ACE COGENERATION COMPANY appears in OSHA workplace safety and MSHA mine safety records only. No matching records were found in WHD wage enforcement, EPA environmental compliance, NLRB labor relations, OFLC visa and labor certification (historical), FMCSA motor carrier registration, SAM.gov federal debarment, CMS nursing home enforcement, UVA Corporate Prosecution Registry, CPSC product recalls, or NHTSA vehicle recalls.
OSHA workplace safety
Peer comparison
Fewer violations than most other employers in NAICS 2123 within CA. Peer group: 1,680 employers. This establishment has 0 OSHA violations; peer median is 2.
Safety self-report (OSHA 300A)
No self-reported injury rates filed with OSHA's Injury Tracking Application for ACE COGENERATION COMPANY. Verify directly with OSHA Injury Tracking Application →
Industry benchmark
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
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 ACE COGENERATION COMPANY. Verify directly with Occupational Safety and Health Administration →
Activity timeline
No federal enforcement activity has been recorded against this establishment in 16+ years. Most recent activity: 16 years ago. Data on this page is refreshed weekly.
Wage & Hour Division (WHD)
No WHD wage, overtime, or child-labor enforcement cases on file for ACE COGENERATION COMPANY. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
Company-level in CA — for ACE COGENERATION COMPANY, not this location alone
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 ACE COGENERATION COMPANY 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. 31 citations · 5S&S · 31 contractor · $3,656 proposed / $3,656 paid.
| Citation | Mine | Date | Section | S&S | Negligence | Proposed | Paid |
|---|---|---|---|---|---|---|---|
| 6354002 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Jul 2003 | — | Yes | HighNegligence | $750 | $750 |
| 8557799 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Aug 2010 | — | Yes | ModNegligence | $263 | $263 |
| 6476925 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Feb 2009 | — | No | HighNegligence | $176 | $176 |
| 6476919 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Feb 2009 | — | No | HighNegligence | $176 | $176 |
| 8557289 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Mar 2010 | — | Yes | ModNegligence | $117 | $117 |
| 6476921 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Feb 2009 | — | Yes | ModNegligence | $117 | $117 |
| 8783250 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | May 2014 | — | Yes | ModNegligence | $112 | $112 |
| 8783249 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | May 2014 | — | No | LowNegligence | $100 | $100 |
| 8783248 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | May 2014 | — | No | ModNegligence | $100 | $100 |
| 8695172 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Dec 2012 | — | No | LowNegligence | $100 | $100 |
| 8557798 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Aug 2010 | — | No | ModNegligence | $100 | $100 |
| 8557288 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Mar 2010 | — | No | ModNegligence | $100 | $100 |
| 6477004 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Apr 2009 | — | No | HighNegligence | $100 | $100 |
| 6476924 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Feb 2009 | — | No | HighNegligence | $100 | $100 |
| 6476923 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Feb 2009 | — | No | HighNegligence | $100 | $100 |
| 6476922 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Feb 2009 | — | No | HighNegligence | $100 | $100 |
| 6476920 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Feb 2009 | — | No | HighNegligence | $100 | $100 |
| 6435448 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Jun 2008 | — | No | ModNegligence | $100 | $100 |
| 6435447 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Jun 2008 | — | No | ModNegligence | $100 | $100 |
| 7985824 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Nov 2007 | — | No | ModNegligence | $100 | $100 |
| 6391241 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Nov 2006 | — | No | ModNegligence | $60 | $60 |
| 6382507 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Dec 2005 | — | No | LowNegligence | $60 | $60 |
| 6382506 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Dec 2005 | — | No | ModNegligence | $60 | $60 |
| 6354001 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Jul 2003 | — | No | HighNegligence | $60 | $60 |
| 6351200 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Jul 2003 | — | No | HighNegligence | $60 | $60 |
| 6351199 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Jul 2003 | — | No | HighNegligence | $60 | $60 |
| 6351198 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Jul 2003 | — | No | HighNegligence | $60 | $60 |
| 6351197 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Jul 2003 | — | No | HighNegligence | $60 | $60 |
| 6339806 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Feb 2002 | — | No | ModNegligence | $55 | $55 |
| 7983734 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Sep 2000 | — | No | ModNegligence | $55 | $55 |
| 7983733 | Panamint Valley Limestone Quarry Inyo, CA contractor: Ace Cogeneration Company | Sep 2000 | — | No | ModNegligence | $55 | $55 |
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 ACE COGENERATION COMPANY. 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 ACE COGENERATION COMPANY. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for ACE COGENERATION COMPANY. Verify directly with Environmental Protection Agency →
Federal criminal prosecution record
No federal criminal prosecutions, plea agreements, or deferred-prosecution agreements on file for ACE COGENERATION COMPANY. Verify directly with UVA Corporate Prosecution Registry →
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2010-05-04 | Planned | 0 | — | $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:
- LEHIGH SOUTHWEST CEMENT COMPANYCUPERTINO — 4 federal enforcement records
- LEHIGH SOUTHWEST CEMENT COMPANYTEHACHAPI — 3 federal enforcement records
- RIVERSIDE CEMENTORO GRANDE — 3 federal enforcement records
- BUELLFLAT ROCK COMPANY INCSOLVANG — 3 federal enforcement records
- OMYA CALIFORNIA INCLUCERNE VALLEY — 3 federal enforcement records
- GRANITE CONSTRUCTION COMPANYSANTA YNEZ — 3 federal enforcement records
- SPECIALTY MINERALS INC.LUCERNE VALLEY — 3 federal enforcement records
- LEHIGH SOUTHWEST CEMENT COMPANYREDDING — 3 federal enforcement records
- CEMEXAPPLE VALLEY — 3 federal enforcement records
- NATIONAL CEMENT COMPANY OF CALIFORNIA, INC.LEBEC — 3 federal enforcement records
Related searches
- Crushed and Broken Limestone Mining and QuarryingAll employers in this industry
- Employers in CAState-wide enforcement data
- Crushed and Broken in CAIndustry × state cross-filter
About this data
This profile aggregates federal enforcement records on ACE COGENERATION COMPANY 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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Contact sales →Frequently asked
- What is ACE COGENERATION COMPANY's OSHA violation history?
- ACE COGENERATION COMPANY has 1 OSHA inspection on record with 0 violations and $0 in total penalties.
- How does ACE COGENERATION COMPANY's safety record compare to its industry?
- ACE COGENERATION COMPANY operates in the crushed and broken limestone mining and quarrying industry. The industry average Total Recordable Incident Rate (TRIR) is 1.9.