Polystyrene Foam Product Manufacturing · Iowa

Thermormass - Boone

Name: Thermormass - Boone Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Boone, IA · ~64 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 3.6
Avg TCR: 3.3
Industry avg: 0
Fatalities

Subscribe to safety-record updates (RSS)

The verdict

Thermormass - Boone runs at 111% of its industry's injury rate - about level with the typical Polystyrene Foam Product Manufacturing workplace, earning a grade C.

Thermormass - Boone: 3.6 TCR = 111% of Polystyrene Foam Product Manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Thermormass - Boone safety composite

Thermormass - Boone scores strongest on dart rate (safer than 82% of same-industry peers) and weakest on total case rate (tcr) (safer than 37%), 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).

56/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 3.65 per 100 workers

Safer than 37% of industry peers
DART rate: B 0 per 100 workers

Safer than 82% 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%).

TCR Δ

−3.9

2017→2018

Thermormass - Boone injury rate improved

Thermormass - Boone's TCR fell 3.9 from 5.6 in 2017 to 1.7 in 2018. Peak filing year was 2017 at 5.6 TCR. In 2018, DART was 0× this establishment's average TCR (severity share of cases).

2017=5.6 · 2018=1.7

OSHA ITA Form 300A scorecard

Establishment book 326140 · Boone, IA ABOVE-IND · SMALL

Grade C · TCR 3.6 · 111% of ind

DART 0.0 DART
RANK #5/6
PHOTO Employ Source Staffi…
BOOK 2y book
INJ 5 inj
SIZE ~64 FTE

Nearest TCR peer: Employ Source Staffing Solutions (0.0 TCR gap)

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

Employ Source

3.7
Storopack, Inc

3.7
This site

3.6
Fox Ridge

3.6
Storopack, Inc

3.6

What this shows Thermormass - Boone averages 3.6 TCR (111% of the Polystyrene Foam Product Manufacturing BLS benchmark).

Thermormass - Boone TCR series: 2017=5.6 · 2018=1.7 · BLS 3.3

Where Thermormass - Boone falls in its industry

260 Polystyrene Foam Product Manuf establishments

Safer than 37% of graded establishments in this industry, whose median TCR is 3.1.

Grade C

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #5 safest of 6 Polystyrene Foam Product Manuf employers in Iowa.

Thermormass - Boone (64 employees, TCR 3.6) among 29 same-industry peers, split at the industry median of 66 employees and a TCR of 3.1

Thermormass - Boone has fewer employees than the Polystyrene Foam Product Manufacturing median and a higher injury rate than the industry's median TCR of 3.1. 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
2018	1.7	0.0	1	0	0
2017	5.6	5.6	4	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

326140 · IA · Boone

260 Polystyrene Foam Product Manufacturing employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 39 employers in Boone, IA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	Employ Source Staffing Solutions	NAPERVILLE, IL	3.7 TCR
NAICS-TCR	Fox Ridge	FOND DU LAC, WI	3.6 TCR
NAICS-TCR	Storopack, Inc. - Downey	DOWNEY, CA	3.7 TCR
NAICS-TCR	Storopack, Inc.- Cincinnati Distribution Center	CINCINNATI, OH	3.6 TCR
STATE-SIZE	DuPont Pioneer Renwick REN1	RENWICK	64 FTE
STATE-SIZE	Iowa Lakes Electric Coop	ESTHERVILLE	64 FTE
STATE-SIZE	Bilfinger Industrial Services, Inc	IOWA CITY	64 FTE
STATE-SIZE	Heartland Asphalt, Inc.	MASON CITY	64 FTE
CITY-NEAR	FAREWAY STORES, INC. 3804	Boone	568 FTE
CITY-NEAR	Boone County Hospital	Boone	385 FTE
CITY-NEAR	CDS Global Boone	Boone	328 FTE
CITY-NEAR	WM 1389	Boone	180 FTE
NAT-TCR	153 ABC Supply Co., Inc	Mobile, AL	3.6 TCR
NAT-TCR	Hydro : Hydro - NAM - Projects (US Only)	Greenwood Village, CO	3.6 TCR
NAT-TCR	Newark (Njnwk)	Newark, NJ	3.6 TCR
NAT-TCR	Scs-Hebron Bldg K - 2741 (Kyhbr)	Hebron, KY	3.6 TCR
NAT-SIZE	LL - Woodhaven	Philadelphia, PA	64 FTE
NAT-SIZE	SS - Liverpool CSC	Liverpool, NY	64 FTE
NAT-SIZE	Langhorne, PA	Langhorne, PA	64 FTE
NAT-SIZE	John Bean Technologies Corporation MIA	Miami, FL	64 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: 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.