InVitro Diagnostic Substance Manufacturing · California

CMI San Diego Mesa Rim

San Diego, CA · ~190 workers · 2 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.8
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

CMI San Diego Mesa Rim runs at 25% of its industry's injury rate - far safer than the typical InVitro Diagnostic Substance Manufacturing workplace, earning a grade A.

CMI San Diego Mesa Rim: 0.8 TCR = 25% of InVitro Diagnostic Substance Manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

CMI San Diego Mesa Rim safety composite

CMI San Diego Mesa Rim scores strongest on dart rate (safer than 84% of same-industry peers) and weakest on fatalities (safer than 50%), 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).

C

73/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 0.82 per 100 workers

Safer than 78% of industry peers

DART rate
B 0 per 100 workers

Safer than 84% 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%).

CMI San Diego Mesa Rim held a steady TCR band

CMI San Diego Mesa Rim's TCR held near 0.3 from 0.9 in 2023 to 0.7 in 2024. Peak filing year was 2023 at 0.9 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2023=0.9 · 2024=0.7

OSHA ITA Form 300A scorecard

Establishment book 325413 · San Diego, CA AT/BELOW-IND · MID

Grade A · TCR 0.8 · 25% of ind

  • DART 0.0 DART
  • RANK #13/50
  • PHOTO Ventana Medical Syst…
  • BOOK 2y book
  • INJ 3 inj
  • SIZE ~190 FTE

Nearest TCR peer: Ventana Medical Systems (0.0 TCR gap)

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

CMI San Diego Mesa Rim in the TCR neighbourhood

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

TCR

What this shows CMI San Diego Mesa Rim averages 0.8 TCR (25% of the InVitro Diagnostic Substance Manufacturing BLS benchmark).

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

CMI San Diego Mesa Rim TCR series: 2023=0.9 · 2024=0.7 · BLS 3.3

Where CMI San Diego Mesa Rim falls in its industry

201 InVitro Diagnostic Substance M establishments

Safer than 78% of graded establishments in this industry, whose median TCR is 1.4.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #13 safest of 50 InVitro Diagnostic Substance M employers in California.

CMI San Diego Mesa Rim (190 employees, TCR 0.8) among 29 same-industry peers, split at the industry median of 120 employees and a TCR of 1.4 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 02,0004,0006,000 01234 Average employees Total Case Rate CMI San Diego Mesa Rim
CMI San Diego Mesa Rim (190 employees, TCR 0.8) among 29 same-industry peers, split at the industry median of 120 employees and a TCR of 1.4

CMI San Diego Mesa Rim has more employees than the InVitro Diagnostic Substance Manufacturi median and a lower injury rate than the industry's median TCR of 1.4. 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 0.7 0.0 1 0 0
2023 0.9 0.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

325413 · CA · San Diego

201 InVitro Diagnostic Substance Manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 1,979 employers in San Diego, 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 Ventana Medical Systems 0.8 TCR
NAICS-TCR Promega Corporation 0.8 TCR
NAICS-TCR IDEXX World Campus 0.8 TCR
NAICS-TCR Poly Scientific R&D Corp 0.8 TCR
STATE-SIZE Zuckerman Family Farms 190 FTE
STATE-SIZE Santa Margarita Water District 190 FTE
STATE-SIZE City Of Sacramento-Field Services Division Roll-Up (140014) 190 FTE
STATE-SIZE Courtney Inc. 190 FTE
CITY-NEAR UC San Diego Health 9,310 FTE
CITY-NEAR General Atomics 8,108 FTE
CITY-NEAR Health Human Services Agency 6,080 FTE
CITY-NEAR National University 4,955 FTE
NAT-TCR STR0679 0.8 TCR
NAT-TCR Campbell Soup Supply Company, INC 0.8 TCR
NAT-TCR Huhtamaki 0.8 TCR
NAT-TCR Jamestown Electro Plating Works Inc 0.8 TCR
NAT-SIZE Katy, TX 190 FTE
NAT-SIZE Fostoria Community Hospital 190 FTE
NAT-SIZE 829 Jefferson St Atlanta 190 FTE
NAT-SIZE Mitay - Taylor 190 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, 2023. 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.