Basalt mining or quarrying · California

Syar Industries - Lake Herman Quarry

Vallejo, CA · ~60 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
5.3
Avg TCR
1.9
Industry avg
0
Fatalities
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The verdict

Syar Industries - Lake Herman Quarry runs at 278% of its industry's injury rate - far more dangerous than the typical Basalt mining or quarrying workplace, earning a grade F.

Syar Industries - Lake Herman Quarry: 5.3 TCR = 278% of Basalt mining or quarrying BLS 1.9 · 3y Form 300A (see methodology below)

Syar Industries - Lake Herman Quarry safety composite

Syar Industries - Lake Herman Quarry scores strongest on dart rate (safer than 50% of same-industry peers) and weakest on total case rate (tcr) (safer than 44%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

D

48/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 5.28 per 100 workers

Safer than 44% of industry peers

DART rate
D 1.63 per 100 workers

Safer than 50% of industry peers

Fatalities
D 0

Safer than 50% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

TCR Δ

−1.3

2019→2021

Syar Industries - Lake Herman Quarry injury rate improved

Syar Industries - Lake Herman Quarry's TCR fell 1.3 from 4.6 in 2019 to 3.3 in 2021. Peak filing year was 2020 at 8.0 TCR. In 2021, DART was 0.31× this establishment's average TCR (severity share of cases).

2019=4.6 · 2020=8.0 · 2021=3.3

OSHA ITA Form 300A scorecard

Establishment book 212311 · Vallejo, CA ABOVE-IND · SMALL

Grade F · TCR 5.3 · 278% of ind

  • DART 1.6 DART
  • RANK #4/7
  • PHOTO Ondrick Portable Cru…
  • BOOK 3y book
  • INJ 9 inj
  • SIZE ~60 FTE

Nearest TCR peer: Ondrick Portable Crushing & Paving, LLC (0.7 TCR gap)

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Syar Industries - Lake Herman Quarry in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Syar Industries - Lake Herman Quarry averages 5.3 TCR (278% of the Basalt mining or quarrying BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Syar Industries - Lake Herman Quarry TCR series: 2019=4.6 · 2020=8 · 2021=3.3 · BLS 1.9

Where Syar Industries - Lake Herman Quarry falls in its industry

27 Basalt mining or quarrying establishments

Safer than 44% of graded establishments in this industry, whose median TCR is 4.6.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #4 safest of 7 Basalt mining or quarrying employers in California.

Syar Industries - Lake Herman Quarry (60 employees, TCR 5.3) among 16 same-industry peers, split at the industry median of 48 employees and a TCR of 4.6 2×2 strategic matrix plotting 17 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 20406080100120 05101520 Average employees Total Case Rate Syar Industries - Lake Herman Quarry
Syar Industries - Lake Herman Quarry (60 employees, TCR 5.3) among 16 same-industry peers, split at the industry median of 48 employees and a TCR of 4.6

Syar Industries - Lake Herman Quarry has more employees than the Basalt mining or quarrying median and a higher injury rate than the industry's median TCR of 4.6. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2021 3.3 1.6 2 0 0
2020 8.0 4.8 4 1 0
2019 4.6 1.5 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

212311 · CA · Vallejo

27 Basalt mining or quarrying employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 118 employers in Vallejo, CA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Ondrick Portable Crushing & Paving, LLC 4.6 TCR
NAICS-TCR Eden Stone Co. 4.5 TCR
NAICS-TCR Lompoc 6.3 TCR
NAICS-TCR FAR SOUTH MINING LLC 6.6 TCR
STATE-SIZE North Coast Vineyards 60 FTE
STATE-SIZE Sun Pacific Farming Cooperative, Inc | Grapes Delano 60 FTE
STATE-SIZE Paiva Farm Management 60 FTE
STATE-SIZE Rocket Farms Herbs Inc Thermal 60 FTE
CITY-NEAR California Department of Transportation Facility 96 2,891 FTE
CITY-NEAR 2032-02121351 2,446 FTE
CITY-NEAR 02821351 VALLEJO HOSPITAL TOWER 1,635 FTE
CITY-NEAR 0206-02621351 1,632 FTE
NAT-TCR Azura Memory Care of Oconomowoc 5.3 TCR
NAT-TCR Greyhound Lines, Inc. Pittsburgh, PA 5.3 TCR
NAT-TCR Ad-Tech 5.3 TCR
NAT-TCR Holt and Bugbee Co. 5.3 TCR
NAT-SIZE North Aurora 60 FTE
NAT-SIZE Komo Machine 60 FTE
NAT-SIZE Continental Resoures - Watonga, OK 60 FTE
NAT-SIZE Komro Sales & Service Inc. Durand, WI 60 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2021, 2020, 2019. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.