Manganese dioxide manufacturing · Tennessee

Prince Specialty Minerals - NJV

New Johnsonville, TN · ~87 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.2
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Prince Specialty Minerals - NJV runs at 128% of its industry's injury rate - more dangerous than the typical Manganese dioxide manufacturing workplace, earning a grade D.

Prince Specialty Minerals - NJV: 4.2 TCR = 128% of Manganese dioxide manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Prince Specialty Minerals - NJV safety composite

Prince Specialty Minerals - NJV scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 12%), 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

25/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 4.22 per 100 workers

Safer than 20% of industry peers

DART rate
F 4.23 per 100 workers

Safer than 12% 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%).

Prince Specialty Minerals - NJV held a steady TCR band

Prince Specialty Minerals - NJV's TCR held near 0.0 from 4.2 in 2019 to 4.2 in 2020. In 2020, DART was 1× this establishment's average TCR (severity share of cases).

2019=4.2 · 2020=4.2

OSHA ITA Form 300A scorecard

Establishment book 325180 · New Johnsonville, TN ABOVE-IND · SMALL

Grade D · TCR 4.2 · 128% of ind

  • DART 4.2 DART
  • RANK #14/21
  • PHOTO Eddyville Chlor-Alka…
  • BOOK 2y book
  • INJ 7 inj
  • SIZE ~87 FTE

Nearest TCR peer: Eddyville Chlor-Alkali, LLC (0.0 TCR gap)

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Prince Specialty Minerals - NJV in the TCR neighbourhood

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

TCR

What this shows Prince Specialty Minerals - NJV averages 4.2 TCR (128% of the Manganese dioxide manufacturing BLS benchmark).

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

Prince Specialty Minerals - NJV TCR series: 2019=4.2 · 2020=4.2 · BLS 3.3

Where Prince Specialty Minerals - NJV falls in its industry

418 Manganese dioxide manufacturin establishments

Safer than 20% of graded establishments in this industry, whose median TCR is 1.9.

More dangerous than peersSafer than peers

Narrower to Tennessee alone (the establishments it most directly competes with for workers and contracts): ranked #14 safest of 21 Manganese dioxide manufacturin employers in Tennessee.

Prince Specialty Minerals - NJV (87 employees, TCR 4.2) among 29 same-industry peers, split at the industry median of 61 employees and a TCR of 1.9 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 0100200300400500 0246810 Average employees Total Case Rate Prince Specialty Minerals - NJV
Prince Specialty Minerals - NJV (87 employees, TCR 4.2) among 29 same-industry peers, split at the industry median of 61 employees and a TCR of 1.9

Prince Specialty Minerals - NJV has more employees than the Manganese dioxide manufacturing median and a higher injury rate than the industry's median TCR of 1.9. 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
2020 4.2 4.2 4 0 0
2019 4.2 2.1 3 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

325180 · TN · New Johnsonville

418 Manganese dioxide manufacturing employers nationwide with a credible TCR · 10,743 rated employers in Tennessee with headcount on file · 12 employers in New Johnsonville, TN · 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 Eddyville Chlor-Alkali, LLC 4.2 TCR
NAICS-TCR Mason Corporation 4.3 TCR
NAICS-TCR Sulfco, LLC 4.3 TCR
NAICS-TCR INDUSTRIAL CHEMICALS CORP 4.3 TCR
STATE-SIZE Sevier County Utility District 87 FTE
STATE-SIZE Byard Construction LLC 87 FTE
STATE-SIZE JOHN J. CAMPBELL CO., INC. 87 FTE
STATE-SIZE NovaCopy - Nashville 87 FTE
CITY-NEAR The Chemours Company FC, LLC - Johnsonville 522 FTE
CITY-NEAR AZCO TVA New Johnsonville 213 FTE
CITY-NEAR Vibrantz Specialty Products LLC - NJV 101 FTE
CITY-NEAR Chemours New Johnsonville 96 FTE
NAT-TCR New Beginning, Inc 4.2 TCR
NAT-TCR Marinemax East, Inc.-Ob 4.2 TCR
NAT-TCR LQ0190 Greensboro 4.2 TCR
NAT-TCR UMS Green Bay 4.2 TCR
NAT-SIZE Interface Communications 87 FTE
NAT-SIZE NAF PAK Plumbing & Heating Corp. 87 FTE
NAT-SIZE Children's Aid Society Campus & The Gerson School 87 FTE
NAT-SIZE USW - Tualatin 87 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: 2020, 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.