Sodium silicate (i.e., water glass) manufacturing · Pennsylvania

PQ Corporation- Chester

Chester, PA · ~29 workers · 2 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.7
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

PQ Corporation- Chester runs at 53% of its industry's injury rate - safer than the typical Sodium silicate (i.e., water glass) manufacturing workplace, earning a grade B.

PQ Corporation- Chester: 1.7 TCR = 53% of Sodium silicate (i.e., water glass) manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

PQ Corporation- Chester safety composite

PQ Corporation- Chester scores strongest on dart rate (safer than 75% 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).

C

61/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 1.74 per 100 workers

Safer than 54% of industry peers

DART rate
B 0 per 100 workers

Safer than 75% 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

−3.5

2019→2020

PQ Corporation- Chester injury rate improved

PQ Corporation- Chester's TCR fell 3.5 from 3.5 in 2019 to 0.0 in 2020. Peak filing year was 2019 at 3.5 TCR. In 2020, DART was 0× this establishment's average TCR (severity share of cases).

2019=3.5 · 2020=0.0

OSHA ITA Form 300A scorecard

Establishment book 325180 · Chester, PA AT/BELOW-IND · SMALL

Grade B · TCR 1.7 · 53% of ind

  • DART 0.0 DART
  • RANK #5/15
  • PHOTO Eagle Natrium, LLC
  • BOOK 2y book
  • INJ 1 inj
  • SIZE ~29 FTE

Nearest TCR peer: Eagle Natrium, LLC (0.0 TCR gap)

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

PQ Corporation- Chester in the TCR neighbourhood

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

TCR

What this shows PQ Corporation- Chester averages 1.7 TCR (53% of the Sodium silicate (i.e., water glass) manufacturing BLS benchmark).

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

PQ Corporation- Chester TCR series: 2019=3.5 · 2020=0 · BLS 3.3

Where PQ Corporation- Chester falls in its industry

418 Sodium silicate (i.e., water g establishments

Safer than 54% of graded establishments in this industry, whose median TCR is 1.9.

More dangerous than peersSafer than peers

Narrower to Pennsylvania alone (the establishments it most directly competes with for workers and contracts): ranked #5 safest of 15 Sodium silicate (i.e., water g employers in Pennsylvania.

PQ Corporation- Chester (29 employees, TCR 1.7) 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 PQ Corporation- Chester
PQ Corporation- Chester (29 employees, TCR 1.7) among 29 same-industry peers, split at the industry median of 61 employees and a TCR of 1.9

PQ Corporation- Chester has fewer employees than the Sodium silicate (i.e., water glass) manu median and a lower 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 0.0 0.0 0 0 0
2019 3.5 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

325180 · PA · Chester

418 Sodium silicate (i.e., water glass) manufacturing employers nationwide with a credible TCR · 22,692 rated employers in Pennsylvania with headcount on file · 45 employers in Chester, PA · 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 Eagle Natrium, LLC 1.7 TCR
NAICS-TCR Church & Dwight Co 1.8 TCR
NAICS-TCR Liquid Minerals Group, Ltd. 1.8 TCR
NAICS-TCR Pencco Inc Corporate 1.8 TCR
STATE-SIZE BJE Reality 29 FTE
STATE-SIZE Dubois 29 FTE
STATE-SIZE New Castle Power Plant 29 FTE
STATE-SIZE UGI Wellsboro 29 FTE
CITY-NEAR Harrah's Philadelphia Casino Racetrack 1,017 FTE
CITY-NEAR Health Access Network 941 FTE
CITY-NEAR PHRG PHL/HQ 826 FTE
CITY-NEAR PHRG HQ 680 FTE
NAT-TCR BAE Systems Norfolk Ship Repair 1.7 TCR
NAT-TCR Gulf Coast Cooperative West Gin 1.7 TCR
NAT-TCR Arcade Beauty - South Plainfield 1.7 TCR
NAT-TCR Associated Asphalt Tampa, LLC (Causeway) 1.7 TCR
NAT-SIZE Store 1024 29 FTE
NAT-SIZE Honeywell International, Inc. 29 FTE
NAT-SIZE Emerald Ridge Assisted Living, LLC 29 FTE
NAT-SIZE Steward Machine Company - Plant 2 29 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.