Ash collection services · California

Tzeng Long USA, Inc.

Commerce, CA · ~42 workers · 4 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
11.2
Avg TCR
2.6
Industry avg
0
Fatalities
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The verdict

Tzeng Long USA, Inc. runs at 430% of its industry's injury rate - far more dangerous than the typical Ash collection services workplace, earning a grade F.

Tzeng Long USA, Inc.: 11.2 TCR = 430% of Ash collection services BLS 2.6 · 4y Form 300A (see methodology below)

Tzeng Long USA, Inc. safety composite

Tzeng Long USA, Inc. scores strongest on dart rate (safer than 62% of same-industry peers) and weakest on total case rate (tcr) (safer than 13%), 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

40/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 11.18 per 100 workers

Safer than 13% of industry peers

DART rate
C 2.23 per 100 workers

Safer than 62% of industry peers

Fatalities
D 0

Safer than 52% 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

−11.2

2017→2021

Tzeng Long USA, Inc. injury rate improved

Tzeng Long USA, Inc.'s TCR fell 11.2 from 13.5 in 2017 to 2.2 in 2021. Peak filing year was 2019 at 23.1 TCR. In 2021, DART was 0.2× this establishment's average TCR (severity share of cases).

2017=13.5 · 2018=5.9 · 2019=23.1 · 2021=2.2

OSHA ITA Form 300A scorecard

Establishment book 562111 · Commerce, CA ABOVE-IND · SMALL

Grade F · TCR 11.2 · 430% of ind

  • DART 2.2 DART
  • RANK #188/247
  • PHOTO Recology Vacaville S…
  • BOOK 4y book
  • INJ 12 inj
  • SIZE ~42 FTE

Nearest TCR peer: Recology Vacaville Solano (0.0 TCR gap)

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

Tzeng Long USA, Inc. in the TCR neighbourhood

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

TCR

What this shows Tzeng Long USA, Inc. averages 11.2 TCR (430% of the Ash collection services BLS benchmark).

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

Tzeng Long USA, Inc. TCR series: 2017=13.5 · 2018=5.9 · 2019=23.1 · 2021=2.2 · BLS 2.6

Where Tzeng Long USA, Inc. falls in its industry

2,322 Ash collection services establishments

Safer than 13% of graded establishments in this industry, whose median TCR is 5.1.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #188 safest of 247 Ash collection services employers in California.

Tzeng Long USA, Inc. (42 employees, TCR 11.2) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 5.1 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 0100200300400 05101520 Average employees Total Case Rate Tzeng Long USA, Inc.
Tzeng Long USA, Inc. (42 employees, TCR 11.2) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 5.1

Tzeng Long USA, Inc. has fewer employees than the Ash collection services median and a higher injury rate than the industry's median TCR of 5.1. 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 2.2 2.2 1 0 0
2019 23.1 23.1 1 0 0
2018 5.9 5.9 3 0 0
2017 13.5 13.5 7 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

562111 · CA · Commerce

2,322 Ash collection services employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 163 employers in Commerce, 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 Recology Vacaville Solano 11.2 TCR
NAICS-TCR Marin Resource Recovery 11.2 TCR
NAICS-TCR Ohio Valley Waste Services, Inc. 11.2 TCR
NAICS-TCR KC East Hauling 11.2 TCR
STATE-SIZE Quad H 42 FTE
STATE-SIZE CJJ Farming, Inc 42 FTE
STATE-SIZE Oceano Packing Company LLC 42 FTE
STATE-SIZE Connell Ranch 42 FTE
CITY-NEAR Ferguson Complex 2,769 FTE
CITY-NEAR California Department of Transportation Facility 587 2,621 FTE
CITY-NEAR PCAM, LLC 1,194 FTE
CITY-NEAR AMZL : DLA3 771 FTE
NAT-TCR 358250-Stony Point Po 11.2 TCR
NAT-TCR Serta Simmons Bedding Denver 11.2 TCR
NAT-TCR 4818-NY11 11.2 TCR
NAT-TCR STA 11.2 TCR
NAT-SIZE 544061-Ken-Covington Sta 42 FTE
NAT-SIZE PSC Industries, Inc. Montgomery 42 FTE
NAT-SIZE Kiyokawa Family Orchards 42 FTE
NAT-SIZE City of Greensboro IT Department 42 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, 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.