Agriculture research and development laboratories or services (except biotechnology research and development) · Iowa

Corteva Johnston Campus - JH42 Darwin

Johnston, IA · ~332 workers · 6 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.1
Avg TCR
2.2
Industry avg
0
Fatalities
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The verdict

Corteva Johnston Campus - JH42 Darwin runs at 6% of its industry's injury rate - far safer than the typical Agriculture research and development laboratories or services (except biotechnology research and development) workplace, earning a grade A.

Corteva Johnston Campus - JH42 Darwin: 0.1 TCR = 6% of Agriculture research and development laboratories or services (except biotechnology research and development) BLS 2.2 · 6y Form 300A (see methodology below)

Corteva Johnston Campus - JH42 Darwin safety composite

Corteva Johnston Campus - JH42 Darwin scores strongest on total case rate (tcr) (safer than 100% of same-industry peers) and weakest on fatalities (safer than 51%), 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).

B

79/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.14 per 100 workers

Safer than 100% of industry peers

DART rate
C 0 per 100 workers

Safer than 74% 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%).

Corteva Johnston Campus - JH42 Darwin held a steady TCR band

Corteva Johnston Campus - JH42 Darwin's TCR held near 0.1 from 0.3 in 2019 to 0.3 in 2024. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2019=0.3 · 2020=0.0 · 2021=0.3 · 2022=0.0 · 2023=0.0 · 2024=0.3

OSHA ITA Form 300A scorecard

Establishment book 424910 · Johnston, IA AT/BELOW-IND · MID

Grade A · TCR 0.1 · 6% of ind

  • DART 0.0 DART
  • RANK #4/154
  • PHOTO BFG Supply Co-Burton
  • BOOK 6y book
  • INJ 3 inj
  • SIZE ~332 FTE

Nearest TCR peer: BFG Supply Co-Burton (0.0 TCR gap)

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Corteva Johnston Campus - JH42 Darwin in the TCR neighbourhood

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

TCR

What this shows Corteva Johnston Campus - JH42 Darwin averages 0.1 TCR (6% of the Agriculture research and development laboratories or services (except biotechnology research and development) BLS benchmark).

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

Corteva Johnston Campus - JH42 Darwin TCR series: 2019=0.3 · 2020=0 · 2021=0.3 · 2022=0 · 2023=0 · 2024=0.3 · BLS 2.2

Where Corteva Johnston Campus - JH42 Darwin falls in its industry

1,202 Agriculture research and devel establishments

Safer than 100% of graded establishments in this industry, whose median TCR is 3.5.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #4 safest of 154 Agriculture research and devel employers in Iowa.

Corteva Johnston Campus - JH42 Darwin (332 employees, TCR 0.1) among 29 same-industry peers, split at the industry median of 30 employees and a TCR of 3.5 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 051015 Average employees Total Case Rate Corteva Johnston Campus - JH42 Darwin
Corteva Johnston Campus - JH42 Darwin (332 employees, TCR 0.1) among 29 same-industry peers, split at the industry median of 30 employees and a TCR of 3.5

Corteva Johnston Campus - JH42 Darwin has more employees than the Agriculture research and development lab median and a lower injury rate than the industry's median TCR of 3.5. 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 0.3 0.0 1 0 0
2023 0.0 0.0 0 0 0
2022 0.0 0.0 0 0 0
2021 0.3 0.0 1 0 0
2020 0.0 0.0 0 0 0
2019 0.3 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

424910 · IA · Johnston

1,202 Agriculture research and development laboratories or services (except biotechnology research and development) employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 76 employers in Johnston, IA · 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 BFG Supply Co-Burton 0.1 TCR
NAICS-TCR York Main Office 0.2 TCR
NAICS-TCR Corteva Johnston Campus - JH40 McClintock 0.1 TCR
NAICS-TCR Corteva Johnston Campus - JH39 Emerson 0.1 TCR
STATE-SIZE Shenandoah Medical Center 332 FTE
STATE-SIZE Dee Zee Main 331 FTE
STATE-SIZE WM 2889 333 FTE
STATE-SIZE Isle Casino Hotel Bettendorf 333 FTE
CITY-NEAR John Deere Financial Johnston 1,069 FTE
CITY-NEAR CSC 639 FTE
CITY-NEAR ChildServe Center 621 FTE
CITY-NEAR DuPont Pioneer Johnston Campus - JH60 Franklin 486 FTE
NAT-TCR EOG Resources, Inc. - San Antonio Office 0.1 TCR
NAT-TCR Lyondell Chemical Company 0.1 TCR
NAT-TCR S07231 - Revenue Management Center 0.1 TCR
NAT-TCR Maz Shared Management Company, LLC 0.1 TCR
NAT-SIZE Sierra Pacific Industries 332 FTE
NAT-SIZE Corporate Office 332 FTE
NAT-SIZE TPI Bayamon 332 FTE
NAT-SIZE L3 Technologies Telemetry & RF Products 332 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, 2022, 2021, 2020, 2019. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.