Basalt crushed and broken stone mining and/or beneficiating · California

Ione Plant

Ione, CA · ~75 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
4.0
Avg TCR
1.9
Industry avg
0
Fatalities
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The verdict

Ione Plant runs at 213% of its industry's injury rate - far more dangerous than the typical Basalt crushed and broken stone mining and/or beneficiating workplace, earning a grade F.

Ione Plant: 4.0 TCR = 213% of Basalt crushed and broken stone mining and/or beneficiating BLS 1.9 · 3y Form 300A (see methodology below)

Ione Plant safety composite

Ione Plant scores strongest on fatalities (safer than 53% of same-industry peers) and weakest on total case rate (tcr) (safer than 33%), 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

44/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 4.05 per 100 workers

Safer than 33% of industry peers

DART rate
D 1.28 per 100 workers

Safer than 50% of industry peers

Fatalities
D 0

Safer than 53% 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%).

Rising injury rate

Ione Plant: 1.4 → 5.1 TCR

Peak year 2018 @ 5.6 TCR · DART/TCR 0.32× in 2019

Ione Plant's TCR rose 3.7 from 1.4 in 2017 to 5.1 in 2019. Peak filing year was 2018 at 5.6 TCR. In 2019, DART was 0.32× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 212319 · Ione, CA ABOVE-IND · SMALL

Grade F · TCR 4.0 · 213% of ind

  • DART 1.3 DART
  • RANK P33
  • PHOTO River City Stone
  • BOOK 3y book
  • INJ 9 inj
  • SIZE ~75 FTE

Nearest TCR peer: River City Stone (0.1 TCR gap)

Read with this employer → · Industry book → · California employers → · Look up another →

Ione Plant in the TCR neighbourhood

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

TCR

What this shows Ione Plant averages 4.0 TCR (213% of the Basalt crushed and broken stone mining and/or beneficiating BLS benchmark).

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

Ione Plant TCR series: 2017=1.4 · 2018=5.6 · 2019=5.1 · BLS 1.9

Where Ione Plant falls in its industry

15 Basalt crushed and broken ston establishments

Safer than 33% of graded establishments in this industry, whose median TCR is 2.4.

More dangerous than peersSafer than peers
Ione Plant (75 employees, TCR 4.0) among 7 same-industry peers, split at the industry median of 75 employees and a TCR of 2.4 2×2 strategic matrix plotting 8 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 0100200300 05101520 Average employees Total Case Rate Allied Demolition, IncMilestone MaterialsMassillon Materials, Inc.Cherry Crushed Concrete, Inc.MackvilleElementisBeaverton QuarryIone Plant
Ione Plant (75 employees, TCR 4.0) among 7 same-industry peers, split at the industry median of 75 employees and a TCR of 2.4

Ione Plant has more employees than the Basalt crushed and broken stone mining a median and a higher injury rate than the industry's median TCR of 2.4. 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
2019 5.1 1.3 4 0 0
2018 5.6 2.8 4 0 0
2017 1.4 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

212319 · CA · Ione

15 Basalt crushed and broken stone mining and/or beneficiating employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 7 employers in Ione, 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 River City Stone 3.9 TCR
NAICS-TCR Acrosa Crushed Concrete 4.3 TCR
NAICS-TCR Beaverton Quarry 5.6 TCR
NAICS-TCR Milestone Materials 2.4 TCR
STATE-SIZE Sunset Farms, Inc 75 FTE
STATE-SIZE Martinelli Vineyard Managment, Inc 75 FTE
STATE-SIZE WESTVIEW BERRY FARMS 75 FTE
STATE-SIZE DJRAS CORP DBA PRIME HARVEST CONTRACTING 75 FTE
CITY-NEAR CDC MULE CREEK STATE PRISON 1,691 FTE
CITY-NEAR California Department of Transportation Facility 327 699 FTE
CITY-NEAR MP ASSOCIATES INC 176 FTE
CITY-NEAR HEADQUARTERS : Fire Academy 142 FTE
NAT-TCR Terrace Elementary School 4.0 TCR
NAT-TCR UGI HVAC Enterprises, Inc 4.0 TCR
NAT-TCR 4054-Abs 0016 4091 4.0 TCR
NAT-TCR Copper and Brass Sales - Milwaukee 4.0 TCR
NAT-SIZE Albuquerque - AMG Specialty Hospital 75 FTE
NAT-SIZE RCD Equipment 75 FTE
NAT-SIZE Burnsville Volkswagen Inc. 75 FTE
NAT-SIZE New York Parts Distribution Center - Somerset 75 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: 2019, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.