Mining, Quarrying, Oil & Gas · Corona, CA
Chandler Aggregates INC
According to OSHA enforcement records (2010–2026), Chandler Aggregates INC ranks #30,344 of 99,447 penalized U.S. employers by total current penalty, with a concerning safety record: 36 violations across 10 inspections.
- $11,865
- OSHA penalties
- 36
- Violations cited
- 10
- OSHA inspections
- #30,344
- of 99,447 penalized employers
Chandler Aggregates INC in Corona, CA has been the subject of 10 OSHA workplace inspections and 36 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $11,865. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.
The record in one line
OSHA has inspected Chandler Aggregates INC 10 times over 9 years, roughly annually. These inspections resulted in 36 violations, averaging 3.6 per inspection, above what's typical for a single visit. According to OSHA enforcement records, its total current penalty ranks #30,344 of 99,447 penalized U.S. employers (the upper half of penalized employers nationally). Against the Mining, Quarrying, Oil & Gas industry average of 2 inspections per employer, this runs well above peers (4.5x the sector average) on inspection frequency. For comparison, Basic Energy Services in Fort Worth, TX is another mining, quarrying, oil & gas employer with 0 OSHA inspections on record and $0 in current penalties.
- 3.6
- violations per inspection
- 0.0%
- of violations were serious
- #30,344
- of 99,447 penalized employers
Compliance score
- F OSHA safety compliance: 36 violations across 10 OSHA inspections (3.6 per inspection), vs. national p10 0.0 (best) / p90 5.5 (worst) among 145,626 inspected employers.
Channels are separate federal datasets: a dimension marked not applicable simply has no record in that dataset for this employer, not a good or bad score.
How Chandler Aggregates INC compares on OSHA penalties
Total current penalty vs the Mining, Quarrying, Oil & Gas per-employer average
- Chandler Aggregates INC
Chandler Aggregates INC
$11,865 in penalties
- Mining, Quarrying, Oil & Gas avg $4,539
Mining, Quarrying, Oil & Gas industry average (per employer)
$4,539 in penalties
What this shows Chandler Aggregates INC runs well above peers (2.6x the sector average) in total OSHA penalties.
Where this penalty ranks nationally
Total current OSHA penalty vs every U.S. employer with a nonzero penalty
$11,865 Bottom 31% least affordable more affordable than 31% of 99,447 U.S. employers with a penalty
Each bar is a $5K-wide band; taller bars hold more U.S. employers with a penalty. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Department of Labor, OSHA enforcement extracts · 2026
Does more inspection scrutiny mean more findings?
Each dot is one of 21 Mining, Quarrying, Oil & Gas employers with an OSHA inspection on record, placed by inspections and violations cited. The highlighted dot is Chandler Aggregates INC.
Chandler Aggregates INC in the Mining, Quarrying, Oil & Gas enforcement ledger
In Mining, Quarrying, Oil & Gas, Chandler Aggregates INC sits at penalty rank #252 of 1,117 penalized establishments ($11,865 assessed).
How Chandler Aggregates INC Compares
Chandler Aggregates INC's 3.60 violations per inspection compares to the Mining, Quarrying, Oil & Gas sector average of 3.1 violations per employer.
Against the Mining, Quarrying, Oil & Gas industry average of $4,539 per employer, this employer's current OSHA penalty runs well above peers (2.6x the sector average).
Enforcement detail
OSHA Inspection History
Total Inspections
10
First Inspection
2013-01-29
Last Inspection
2021-12-07
Inspection Span
9 yrs
Violations / Inspection
3.6
Avg Penalty / Inspection
$1,187
Industry Avg / Inspection
$2,042
What this shows 10 inspections over 9 years, averaging 3.6 violations per visit. That's $1,187 per inspection vs. the Mining, Quarrying, Oil & Gas average of $2,042.
Enforcement detail
Violation Breakdown
0
Serious
0.0% of total
0
Willful
0.0% of total
2
Repeat
5.6% of total
34
Other-Than-Serious
94.4% of total
What this shows Serious violations involve hazards that could cause death or serious physical harm. Willful violations indicate intentional or knowing disregard of the law. Repeat violations are for hazards previously cited within the past 5 years.
Enforcement detail
Penalty Analysis
Initial Penalty Assessed
$11,865
Current Penalty Amount
$11,865
Penalty Reduction
None
What this shows No reduction on record. The current penalty matches the original OSHA assessment.
Industry Safety Context: Mining, Quarrying, Oil & Gas
How Chandler Aggregates INC compares to the Mining, Quarrying, Oil & Gas sector, which has 2,294 employers tracked by PlainWorker.
| Metric | Chandler Aggregates INC | Industry Avg |
|---|---|---|
| Inspections | 10 | 2.2 |
| Violations | 36 | 3.1 |
| Total Penalty | $11,865 | $4,539 |
| Avg Penalty per Inspection | $1,187 | $2,042 |
Nationwide Mining, Quarrying, Oil & Gas peers with similar penalties or inspection counts
Two OSHA-record peer sets for Chandler Aggregates INC, both outside CA so the neighborhoods are not geographic containment.
Similar current OSHA penalty
Nearest same-sector employers by current assessed penalty ($11,865 here).
Similar OSHA inspection count
Same-sector employers with a comparable inspection history outside this state (10 inspections here).
Nearby & Similar Employers in Mining, Quarrying, Oil & Gas
Showing 5 of 2293 other employers tracked in this sector.
Compare Chandler Aggregates INC vs Rocky Point Rock Quarry side-by-side →
What to do with this record
Use Chandler Aggregates INC's enforcement history as one data point, not the whole picture.
- A single employer's record can look unusual in isolation. Compare Chandler Aggregates INC against Rocky Point Rock Quarry, a similarly-sized employer in the same sector, before drawing conclusions. Compare side-by-side
- See whether Chandler Aggregates INC's inspection and penalty record is typical for Mining, Quarrying, Oil & Gas or an outlier against the sector's own average. View the Mining, Quarrying, Oil & Gas sector
- Before you accept a job or raise a safety concern, search any employer for its own OSHA inspection history the same way you found this one. Search employers
Figures reflect closed OSHA and WHD federal enforcement actions on record (2010–2026); not every workplace issue results in an inspection or investigation.
Frequently Asked Questions
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Data Sources & Methodology ▼
Data as of 2026. Source: U.S. Department of Labor (OSHA, WHD).
Source: OSHA Enforcement Data
Inspection and violation records from the Occupational Safety and Health Administration (OSHA), U.S. Department of Labor, covering the period 2010–2026. Includes inspection dates, violation types (serious, willful, repeat, other-than-serious), and penalty amounts. Penalties shown are current assessed amounts and may differ from original citations due to settlement, contest, or reduction.
Source: Wage and Hour Division (WHD)
Compliance actions from the WHD, covering enforcement of the Fair Labor Standards Act (FLSA), including minimum wage, overtime, and child labor violations. Back wages represent amounts owed to affected employees as determined by WHD investigations.
Employer Matching
Employers are matched across OSHA and WHD datasets by name, state, and city. Employers included in PlainWorker have 2 or more OSHA inspections or $1,000+ in WHD back wages. Data is updated monthly from data.dol.gov.