EPA TRI Facility · Chemicals
Stoner Inc
Quarryville, PA
- Total releases
- 1.3K lbs
- Chemicals reported
- 1
- Latest report
- 2023
- Primary pathway
- Off-site Transfers
MIXED Form-R mix
Stoner Inc: how the 1.4K lbs splits
1.4K lbs across all reported pathways
- Off-site Transfers 750 lbs 53.5%
- Air Releases 651 lbs 46.5%
Stoner Inc's 1.4K lbs Form-R total is MIXED - off-site transfers is 53.5% of the bar. Next segment: air releases at 46.5%. Leading chemical by pounds: Xylene (mixed isomers).
LIGHT volume MIXED pathway CLEAN
Stoner Inc is an EPA Toxics Release Inventory reporter in Quarryville, PA, in the chemicals sector. It reported 64 lbs of releases across 1 chemical in 2024, and 1.3K lbs in total across its 2021-2024 reporting years. That ranks 13,409 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Pennsylvania's 1,010 reporting TRI sites, pounds #1 is not chemical-count #1. Stoner Inc is pounds #640 and chemical-count #887 at 1.3K lbs. Max Environmental -- Yukon Facility leads reported pounds (34.8M lbs) at 18 chemicals (chemical-count #24). Keystone Cement Co leads chemical count at 53 chemicals (155.4K lbs, pounds #149). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Buck Co Inc; Action Manufacturing Co; Stryten Lampeter LLC; Dutchland LLC. Similar-scale Chemicals peers outside Pennsylvania: Zeochem LLC; Syntech Cedar Port; Kingsford Manufacturing Co; Kingsford Manufacturing Co. Largest disclosed chemicals by pounds: Xylene (mixed isomers).
Stoner Inc is a LIGHT · MIXED-pathway Form-R site in Quarryville, PA: 1.3K lbs across 1 chemical. No single media clears 70% of the bar (lead segment off-site transfers at 53.5%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Zeochem LLC and Syntech Cedar Port.
Stoner Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
1.3K lbs 48th percentile higher than 48% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Stoner Inc: Xylene (mixed isomers)-led volume
Among the 3,917 Chemicals facilities in this database, Stoner Inc reports the 2,748th-largest volume (1.3K lbs). Its reported volume is concentrated rather than spread: Xylene (mixed isomers) alone is 100% of the total. Scale peers outside Pennsylvania include Zeochem LLC and Syntech Cedar Port.
Concentrated means ≥60% of Stoner Inc's pounds in one chemical - here Xylene (mixed isomers) at 100%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Stoner Inc's total reported releases rose from 42 lb in 2022 to 500 lb in 2023, based on EPA TRI filings.
- Stoner Inc's air releases rose from 42 lb in 2022 to 500 lb in 2023, based on EPA TRI filings.
Stoner Inc Form-R facts
Compare this facility
See how Stoner Inc stacks up against nearby facilities and the typical reporter.
98% less than the comparison
80% less than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Stoner Inc releases toxic chemicals into the environment. Total: 1.4K lbs.
Emissions Trend Summary
From 2021 to 2024, total releases decreased by 92% (795 lbs to 64 lbs).
Stoner Inc: annual Form-R pounds
LIGHT site · MIXED pathway · TRI years 2021–2024
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Stoner Inc year-over-year reported totals (decreased by 92% from 2021 to 2024). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Xylene (mixed isomers).
| Year | Total | Chemicals |
|---|---|---|
| 2021 | 795 lbs | 1 |
| 2022 | 42 lbs | 1 |
| 2023 | 500 lbs | 1 |
| 2024 | 64 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2021–2024). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Xylene (mixed isomers) | 1.4K lbs | - |
Stoner Inc in Lancaster
Nearest TRI Facilities to Stoner Inc
Closest other reporters in Pennsylvania - including Buck Co Inc, Action Manufacturing Co, Stryten Lampeter LLC, ordered by distance.
Showing 8 of 1,009 other reporting facilities in Pennsylvania.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Pennsylvania - e.g. Zeochem LLC, Syntech Cedar Port, Kingsford Manufacturing Co.
Compare beyond Pennsylvania
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Stoner Inc on cumulative reported pounds (1.3K lbs) and distinct chemical count (1). Release-pound peers include Granite Construction Co, Zeochem LLC, Future Foam Inc.. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Xylene (mixed isomers); nearby reporters include Buck Co Inc. Stoner Inc stamps LIGHT volume · MIXED pathway · CLEAN carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Stoner Inc TRI extract (LIGHT · MIXED · CLEAN · lead Xylene (mixed isomers)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Stoner Inc totals are self-reported EPCRA §313 estimates for Quarryville, PA, latest year 2023. Form-R rows span 2021–2024 (4 years). NAICS 325998 · Chemicals. 0.0% of Lancaster TRI pounds in this extract. Nearest ABS peer: Granite Construction Co (Δ 1 lbs). Pounds ≠ exposure.
Stoner Inc stamps LIGHT · MIXED pathway (off-site transfers leads at 53.5%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov