Mining, Quarrying, Oil & Gas · Beckwourth, CA

Diamond S Corporation DBA Blasted Rock Quarry

According to OSHA enforcement records (2010–2026), Diamond S Corporation DBA Blasted Rock Quarry has a relatively clean safety record: 2 violations across 5 inspections. See the full breakdown below.

0% serious
$0
OSHA penalties
2
Violations cited
5
OSHA inspections

Diamond S Corporation DBA Blasted Rock Quarry in Beckwourth, CA has been the subject of 5 OSHA workplace inspections and 2 citations since 2010, according to enforcement records from the U.S. Department of Labor. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

OSHA has inspected Diamond S Corporation DBA Blasted Rock Quarry 5 times over 4 years, roughly annually. These inspections resulted in 2 violations, averaging 0.4 per inspection, on the lighter side. Against the Mining, Quarrying, Oil & Gas industry average of 2 inspections per employer, this runs well above peers (2.2x the sector average) on inspection frequency. For comparison, Fluids Management II, LTD. in Tionesta, PA is another mining, quarrying, oil & gas employer with 2 OSHA inspections on record and $0 in current penalties.

0.4
violations per inspection
0.0%
of violations were serious

Compliance score

B 84/100
  • B OSHA safety compliance: 2 violations across 5 OSHA inspections (0.4 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.

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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 Diamond S Corporation DBA Blasted Rock Quarry.

Frequently inspected, many findingsRarely inspected, many findingsFrequently inspected, clean recordBelow median on both4.04.24.54.85.003.77.311.014.7OSHA inspectionsViolations citedPRECISION DRILLING, OSHA inspections: 5 · Violations cited: 2CHESAPEAKE ENERGY CO…, OSHA inspections: 5 · Violations cited: 0PEAK OILFIELD SERVIC…, OSHA inspections: 5 · Violations cited: 1WESTERN GAS PARTNERS…, OSHA inspections: 5 · Violations cited: 13SMITHBRIDGE GUAM, INC., OSHA inspections: 5 · Violations cited: 11HELMERICH & PAYNE, I…, OSHA inspections: 5 · Violations cited: 3TANMAR COMPANIES LLC, OSHA inspections: 5 · Violations cited: 1PRIMEXX OPERATING CO…, OSHA inspections: 5 · Violations cited: 0COG OPERATING LLC, OSHA inspections: 5 · Violations cited: 0STALLION OILFIELD SE…, OSHA inspections: 5 · Violations cited: 0ESS SUPPORT SERVICES, OSHA inspections: 5 · Violations cited: 5HELMERICH & PAYNE IN…, OSHA inspections: 5 · Violations cited: 9BASIC ENERGY SERVICES, OSHA inspections: 5 · Violations cited: 4NABORS ALASKA DRILLI…, OSHA inspections: 5 · Violations cited: 4CHAMPAGNE & MARX EXC…, OSHA inspections: 4 · Violations cited: 0PUMPCO ENERGY SERVIC…, OSHA inspections: 4 · Violations cited: 14CIMAREX ENERGY CO., OSHA inspections: 4 · Violations cited: 0TANMAR COMPANIES, LLC, OSHA inspections: 4 · Violations cited: 11EXXON MOBIL, OSHA inspections: 4 · Violations cited: 4CONTINENTAL RESOURCE…, OSHA inspections: 4 · Violations cited: 0Diamond S Corporatio…, OSHA inspections: 5 · Violations cited: 2
Diamond S Corporation DBA Blasted Rock Quarry has 5 OSHA inspections on record and 2 violations cited. The crosshair marks the median among these Mining, Quarrying, Oil & Gas peers. Across this sector's tracked employers, more inspections is moderately associated with more violations found -- not a coincidence, but not a guarantee either.

How Diamond S Corporation DBA Blasted Rock Quarry Compares

Diamond S Corporation DBA Blasted Rock Quarry's 0.40 violations per inspection compares to the Mining, Quarrying, Oil & Gas sector average of 3.1 violations per employer.

No OSHA penalty has been assessed against Diamond S Corporation DBA Blasted Rock Quarry to date. The Mining, Quarrying, Oil & Gas sector average runs $4,539 per employer.

Enforcement detail

OSHA Inspection History

Total Inspections

5

First Inspection

2010-05-12

Last Inspection

2014-08-28

Inspection Span

4 yrs

Violations / Inspection

0.4

Avg Penalty / Inspection

$0

Industry Avg / Inspection

$2,042

What this shows 5 inspections over 4 years, averaging 0.4 violations per visit. That's $0 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

0

Repeat

0.0% of total

2

Other-Than-Serious

100.0% 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.

Industry Safety Context: Mining, Quarrying, Oil & Gas

How Diamond S Corporation DBA Blasted Rock Quarry compares to the Mining, Quarrying, Oil & Gas sector, which has 2,294 employers tracked by PlainWorker.

Metric Diamond S Corporation DBA Blasted Rock Quarry Industry Avg
Inspections 5 2.2
Violations 2 3.1
Total Penalty $0 $4,539
Avg Penalty per Inspection $0 $2,042

Nationwide Mining, Quarrying, Oil & Gas peers with similar penalties or inspection counts

Two OSHA-record peer sets for Diamond S Corporation DBA Blasted Rock Quarry, both outside CA so the neighborhoods are not geographic containment.

Nearby & Similar Employers in Mining, Quarrying, Oil & Gas

Showing 5 of 2293 other employers tracked in this sector.

Compare Diamond S Corporation DBA Blasted Rock Quarry vs General Production Service of California, INC. side-by-side →

What to do with this record

Use Diamond S Corporation DBA Blasted Rock Quarry's enforcement history as one data point, not the whole picture.

  • A single employer's record can look unusual in isolation. Compare Diamond S Corporation DBA Blasted Rock Quarry against General Production Service of California, INC., a similarly-sized employer in the same sector, before drawing conclusions. Compare side-by-side
  • See whether Diamond S Corporation DBA Blasted Rock Quarry'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

Is Diamond S Corporation DBA Blasted Rock Quarry safe to work at?
Based on OSHA records, Diamond S Corporation DBA Blasted Rock Quarry's workplace safety record is relatively clean, with fewer violations than typical. The employer has 2 violations across 5 inspections. Compared to Mining, Quarrying, Oil & Gas industry peers, this is below average for penalties. Review the full inspection history below for details.
How many OSHA violations does Diamond S Corporation DBA Blasted Rock Quarry have?
Diamond S Corporation DBA Blasted Rock Quarry has 2 OSHA violations on record, including 0 serious, 0 willful, and 0 repeat violations. The total current penalty amount is $0.
How many OSHA inspections has Diamond S Corporation DBA Blasted Rock Quarry had?
Diamond S Corporation DBA Blasted Rock Quarry has had 5 OSHA inspections, with the first recorded on 2010-05-12 and the most recent on 2014-08-28. This averages 0.4 violations per inspection.
What is the total penalty amount for Diamond S Corporation DBA Blasted Rock Quarry?
Diamond S Corporation DBA Blasted Rock Quarry has been assessed $0 in current OSHA penalties.
What industry does Diamond S Corporation DBA Blasted Rock Quarry operate in?
Diamond S Corporation DBA Blasted Rock Quarry operates in the Mining, Quarrying, Oil & Gas sector (NAICS code 212321). This industry has 2,294 employers tracked by PlainWorker, with 5,098 total OSHA inspections and $10.41M in cumulative penalties.
How does Diamond S Corporation DBA Blasted Rock Quarry's safety record compare to industry average?
Diamond S Corporation DBA Blasted Rock Quarry's total OSHA penalty of $0 is below the Mining, Quarrying, Oil & Gas industry average of $4,539 per employer. The employer has 5 inspections compared to the industry average of 2.2 per employer. For a direct comparison, Fluids Management II, LTD. in Tionesta, PA is a similar mining, quarrying, oil & gas employer with $0 in current penalties.
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.

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Every figure on PlainWorker is rendered directly from official U.S. Department of Labor OSHA and Wage & Hour Division enforcement records, no number is typed in by an editor. This employer's ratios (penalty-per-violation, industry comparisons) are computed live from the 5 inspections on record. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.