Aluminum plate made in integrated secondary smelting and flat rolling mills · Washington

Kaiser Aluminum - Trentwood

Spokane Valley, WA · ~851 workers · 4 years of OSHA Injury Tracking Application data.

B
Good Safety Record
2.4
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Kaiser Aluminum - Trentwood runs at 73% of its industry's injury rate - safer than the typical Aluminum plate made in integrated secondary smelting and flat rolling mills workplace, earning a grade B.

Kaiser Aluminum - Trentwood: 2.4 TCR = 73% of Aluminum plate made in integrated secondary smelting and flat rolling mills BLS 3.3 · 4y Form 300A (see methodology below)

Kaiser Aluminum - Trentwood safety composite

Kaiser Aluminum - Trentwood scores strongest on dart rate (safer than 58% of same-industry peers) and weakest on total case rate (tcr) (safer than 46%), 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

51/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 2.41 per 100 workers

Safer than 46% of industry peers

DART rate
C 0.83 per 100 workers

Safer than 58% of industry peers

Fatalities
D 0

Safer than 51% 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

−2.0

2019→2024

Kaiser Aluminum - Trentwood injury rate improved

Kaiser Aluminum - Trentwood's TCR fell 2.0 from 3.3 in 2019 to 1.4 in 2024. Peak filing year was 2019 at 3.3 TCR. In 2024, DART was 0.34× this establishment's average TCR (severity share of cases).

2019=3.3 · 2021=2.6 · 2022=2.4 · 2024=1.4

OSHA ITA Form 300A scorecard

Establishment book 331315 · Spokane Valley, WA AT/BELOW-IND · MID

Grade B · TCR 2.4 · 73% of ind

  • DART 0.8 DART
  • RANK P46
  • PHOTO Arconic
  • BOOK 4y book
  • INJ 76 inj
  • SIZE ~851 FTE

Nearest TCR peer: Arconic (0.0 TCR gap)

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Kaiser Aluminum - Trentwood in the TCR neighbourhood

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

TCR

What this shows Kaiser Aluminum - Trentwood averages 2.4 TCR (73% of the Aluminum plate made in integrated secondary smelting and flat rolling mills BLS benchmark).

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

Kaiser Aluminum - Trentwood TCR series: 2019=3.3 · 2021=2.6 · 2022=2.4 · 2024=1.4 · BLS 3.3

Where Kaiser Aluminum - Trentwood falls in its industry

70 Aluminum plate made in integra establishments

Safer than 46% of graded establishments in this industry, whose median TCR is 2.4.

More dangerous than peersSafer than peers
Kaiser Aluminum - Trentwood (851 employees, TCR 2.4) among 29 same-industry peers, split at the industry median of 208 employees and a TCR of 2.4 2×2 strategic matrix plotting 30 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 05001,0001,500 0510152025 Average employees Total Case Rate Kaiser Aluminum - Trentwood
Kaiser Aluminum - Trentwood (851 employees, TCR 2.4) among 29 same-industry peers, split at the industry median of 208 employees and a TCR of 2.4

Kaiser Aluminum - Trentwood has more employees than the Aluminum plate made in integrated second 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
2024 1.4 0.8 12 1 0
2022 2.4 1.4 19 1 0
2021 2.6 1.5 16 3 0
2019 3.3 2.4 29 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

331315 · WA · Spokane Valley

70 Aluminum plate made in integrated secondary smelting and flat rolling mills employers nationwide with a credible TCR · 10,147 rated employers in Washington with headcount on file · 176 employers in Spokane Valley, WA · 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 Arconic 2.4 TCR
NAICS-TCR Granges Americas Inc. - Huntingdon 2.4 TCR
NAICS-TCR Kaiser Trentwood 2.3 TCR
NAICS-TCR JW Aluminum - St. Louis 2.3 TCR
STATE-SIZE 2643-46210001-462101 850 FTE
STATE-SIZE Washington State Department of Agriculture 853 FTE
STATE-SIZE Aviation Technical Services PAE 854 FTE
STATE-SIZE McGee Air Services SEA 848 FTE
CITY-NEAR Trentwood 777 FTE
CITY-NEAR MultiCare Valley Hospital 776 FTE
CITY-NEAR Amazon.com Services LLC - GEG2 772 FTE
CITY-NEAR MultiCare Valley Hospital (Company 22) 751 FTE
NAT-TCR Star of the West Milling Co - Richville, MI 2.4 TCR
NAT-TCR Ameriport 2.4 TCR
NAT-TCR Atlanta 2.4 TCR
NAT-TCR South University Clinic 2.4 TCR
NAT-SIZE Everport Terminal Services, Inc. 851 FTE
NAT-SIZE CHRISTUS Santa Rosa Westover Hills 851 FTE
NAT-SIZE H&P U.S. Land - North 851 FTE
NAT-SIZE Omni Grove Park Inn 851 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: 2024, 2022, 2021, 2019. 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.