Mail and Parcel Delivery · South Carolina

451580-Chester Po

Name: 451580-Chester Po Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Chester, SC · ~29 workers · 6 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

D
Poor Safety Record: 7.5
Avg TCR: 4.5
Industry avg: 0
Fatalities

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The verdict

451580-Chester Po runs at 166% of its industry's injury rate - more dangerous than the typical Mail and Parcel Delivery workplace, earning a grade D.

451580-Chester Po: 7.5 TCR = 166% of Mail and Parcel Delivery BLS 4.5 · 6y Form 300A (see methodology below)

451580-Chester Po safety composite

451580-Chester Po scores strongest on dart rate (safer than 93% of same-industry peers) and weakest on total case rate (tcr) (safer than 44%), 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).

63/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 7.45 per 100 workers

Safer than 44% of industry peers
DART rate: A 0 per 100 workers

Safer than 93% 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

−8.5

2017→2022

451580-Chester Po injury rate improved

451580-Chester Po's TCR fell 8.5 from 12.8 in 2017 to 4.3 in 2022. Peak filing year was 2017 at 12.8 TCR. In 2022, DART was 0× this establishment's average TCR (severity share of cases).

2017=12.8 · 2018=12.6 · 2019=3.6 · 2020=3.6 · 2021=8.0 · 2022=4.3

OSHA ITA Form 300A scorecard

Establishment book 491110 · Chester, SC ABOVE-IND · SMALL

Grade D · TCR 7.5 · 166% of ind

DART 0.0 DART
RANK #157/218
PHOTO LEESBURG_1370131
BOOK 6y book
INJ 10 inj
SIZE ~29 FTE

Nearest TCR peer: LEESBURG_1370131 (0.0 TCR gap)

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

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7.5
LEESBURG_13701

7.5
MARBLEHEAD_137

7.5
ZEELAND CARRIE

7.5
352670-ELMSFOR

7.5

What this shows 451580-Chester Po averages 7.5 TCR (166% of the Mail and Parcel Delivery BLS benchmark).

451580-Chester Po TCR series: 2017=12.8 · 2018=12.6 · 2019=3.6 · 2020=3.6 · 2021=8 · 2022=4.3 · BLS 4.5

Where 451580-Chester Po falls in its industry

13,818 Mail and Parcel Delivery establishments

Safer than 44% of graded establishments in this industry, whose median TCR is 6.8.

Grade D

More dangerous than peersSafer than peers

Narrower to South Carolina alone (the establishments it most directly competes with for workers and contracts): ranked #157 safest of 218 Mail and Parcel Delivery employers in South Carolina.

451580-Chester Po (29 employees, TCR 7.5) among 29 same-industry peers, split at the industry median of 51 employees and a TCR of 6.8

451580-Chester Po has fewer employees than the Mail and Parcel Delivery median and a higher injury rate than the industry's median TCR of 6.8. 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
2022	4.3	0.0	1	0
2021	8.0	4.0	2	0
2020	3.6	3.6	1	0
2019	3.6	3.6	1	0
2018	12.6	12.6	3	0
2017	12.8	12.8	2	1

OSHA ITA peer cross-reference

Establishment peer ledger

491110 · SC · Chester

13,818 Mail and Parcel Delivery employers nationwide with a credible TCR · 7,610 rated employers in South Carolina with headcount on file · 28 employers in Chester, SC · 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	LEESBURG_1370131	COLUMBIA, SC	7.5 TCR
NAICS-TCR	MARBLEHEAD_1371794	MARBLEHEAD, MA	7.5 TCR
NAICS-TCR	ZEELAND CARRIER ANNEX_1388575	ZEELAND, MI	7.5 TCR
NAICS-TCR	352670-ELMSFORD PO	ELMSFORD, NY	7.5 TCR
STATE-SIZE	MT PLEASANT CREW QUARTERS	MT PLEASANT	29 FTE
STATE-SIZE	Ni Pacolet Milliken	ELGIN	29 FTE
STATE-SIZE	Charleston Division	CHARLESTON	29 FTE
STATE-SIZE	32328	MONCKS CORNER	29 FTE
CITY-NEAR	Carolina Poly	Chester	484 FTE
CITY-NEAR	MUSC Health Chester Medical Center	Chester	344 FTE
CITY-NEAR	Chester Plywood - WP	Chester	324 FTE
CITY-NEAR	Boral Stone Chester	Chester	291 FTE
NAT-TCR	365232-Morganton Po	Morganton, NC	7.5 TCR
NAT-TCR	115985-Milton Po	Milton, FL	7.5 TCR
NAT-TCR	517906-Ruther Glen Po	Ruther Glen, VA	7.5 TCR
NAT-TCR	118906-Ybor City Fl P&Dc	Tampa, FL	7.5 TCR
NAT-SIZE	360264-Arden Po	Arden, NC	29 FTE
NAT-SIZE	365224-Morehead City Po	Morehead City, NC	29 FTE
NAT-SIZE	128382-Summerville Po	Summerville, GA	29 FTE
NAT-SIZE	362000-Davidson Po	Davidson, NC	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: 2022, 2021, 2020, 2019, 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.