Biotechnology research and development laboratories or services · Massachusetts

Charles River Labs - Worcester

Worcester, MA · ~186 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
5.4
Avg TCR
0.5
Industry avg
0
Fatalities
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The verdict

Charles River Labs - Worcester runs at 1086% of its industry's injury rate - far more dangerous than the typical Biotechnology research and development laboratories or services workplace, earning a grade F.

Charles River Labs - Worcester: 5.4 TCR = 1086% of Biotechnology research and development laboratories or services BLS 0.5 · 2y Form 300A (see methodology below)

Charles River Labs - Worcester safety composite

Charles River Labs - Worcester scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 3%), 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).

F

16/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 5.43 per 100 workers

Safer than 7% of industry peers

DART rate
F 4.33 per 100 workers

Safer than 3% 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%).

Rising injury rate

Charles River Labs - Worcester: 3.1 → 7.8 TCR

Peak year 2023 @ 7.8 TCR · DART/TCR 0.8× in 2023

Charles River Labs - Worcester's TCR rose 4.7 from 3.1 in 2021 to 7.8 in 2023. In 2023, DART was 0.8× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 541711 · Worcester, MA ABOVE-IND · MID

Grade F · TCR 5.4 · 1086% of ind

  • DART 4.3 DART
  • RANK #21/23
  • PHOTO Battelle - West Jeff…
  • BOOK 2y book
  • INJ 13 inj
  • SIZE ~186 FTE

Nearest TCR peer: Battelle - West Jefferson Middle Area (0.1 TCR gap)

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

Charles River Labs - Worcester in the TCR neighbourhood

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

TCR

What this shows Charles River Labs - Worcester averages 5.4 TCR (1086% of the Biotechnology research and development laboratories or services BLS benchmark).

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

Charles River Labs - Worcester TCR series: 2021=3.1 · 2023=7.8 · BLS 0.5

Where Charles River Labs - Worcester falls in its industry

189 Biotechnology research and dev establishments

Safer than 7% of graded establishments in this industry, whose median TCR is 0.8.

More dangerous than peersSafer than peers

Narrower to Massachusetts alone (the establishments it most directly competes with for workers and contracts): ranked #21 safest of 23 Biotechnology research and dev employers in Massachusetts.

Charles River Labs - Worcester (186 employees, TCR 5.4) among 29 same-industry peers, split at the industry median of 296 employees and a TCR of 0.8 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 01,0002,0003,0004,0005,000 05101520 Average employees Total Case Rate Charles River Labs - Worcester
Charles River Labs - Worcester (186 employees, TCR 5.4) among 29 same-industry peers, split at the industry median of 296 employees and a TCR of 0.8

Charles River Labs - Worcester has fewer employees than the Biotechnology research and development l median and a higher injury rate than the industry's median TCR of 0.8. 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
2023 7.8 4.3 9 0 0
2021 3.1 1.5 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

541711 · MA · Worcester

189 Biotechnology research and development laboratories or services employers nationwide with a credible TCR · 10,108 rated employers in Massachusetts with headcount on file · 248 employers in Worcester, MA · 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 Battelle - West Jefferson Middle Area 5.6 TCR
NAICS-TCR Heliae Development, LLC 5.0 TCR
NAICS-TCR Davis 5.0 TCR
NAICS-TCR DuPont Industrial Sciences 6.0 TCR
STATE-SIZE BARCLAY WATER MANAGEMENT, INC. 186 FTE
STATE-SIZE NEI General Contracting, Inc. 186 FTE
STATE-SIZE Liberty Conshor LLC 186 FTE
STATE-SIZE Z26 DND - NORWOOD 186 FTE
CITY-NEAR UMass Memorial Health 12,452 FTE
CITY-NEAR 4701-813 2,492 FTE
CITY-NEAR St Vincent hospital 1,965 FTE
CITY-NEAR NBC Distributors Inc 1,276 FTE
NAT-TCR A-Arnold of Kansas City, LLC 5.4 TCR
NAT-TCR Stoner&Co 5.4 TCR
NAT-TCR johns 5.4 TCR
NAT-TCR DATTCO - Bridgeport 5.4 TCR
NAT-SIZE Technical Consumer Products, Inc 186 FTE
NAT-SIZE Mopac 186 FTE
NAT-SIZE Flender Corporation 186 FTE
NAT-SIZE Leonardo DRS-Huntsville, AL Facilities 186 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: 2023, 2021. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.