EPA TRI Facility · Computers and Electronic Products
Denso Manufacturing Tennessee Inc
Maryville, TN · Parent: Denso International America Inc
- Total releases
- 60.4K lbs
- Chemicals reported
- 8
- Carcinogens
- 3
- Primary pathway
- Off-site Transfers
MIXED Form-R mix
Denso Manufacturing Tennessee Inc: how the 60.4K lbs splits
60.4K lbs across all reported pathways
- Off-site Transfers 34.6K lbs 57.3%
- Air Releases 25.8K lbs 42.7%
Denso Manufacturing Tennessee Inc's 60.4K lbs Form-R total is MIXED - off-site transfers is 57.3% of the bar. Next segment: air releases at 42.7%. Leading chemical by pounds: Zinc (fume or dust).
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
LIGHT volume MIXED pathway CARC-LEAN
Denso Manufacturing Tennessee Inc is an EPA Toxics Release Inventory reporter in Maryville, TN, in the computers and electronic products sector. It reported 3.9K lbs of releases across 7 chemicals in 2023, and 60.4K lbs in total across its 2019-2023 reporting years. That ranks 5,703 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Tennessee's 595 reporting TRI sites, pounds #1 is not chemical-count #1. Denso Manufacturing Tennessee Inc is pounds #179 and chemical-count #82 at 60.4K lbs. Nyrstar Clarksville Inc leads reported pounds (72.9M lbs) at 13 chemicals (chemical-count #31). Tradebe Treatment & Recycling of Tn leads chemical count at 75 chemicals (6.3M lbs, pounds #13). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Skier's Choice Inc; Sanford Brands; Smith & Wesson Brands Inc.; Arconic US LLC. Similar-scale Computers and Electronic Products peers outside Tennessee: Morgan Advanced Materials; Texas Instruments; Isola USA Corp.; Pacific Aerospace & Electronics. Other Denso International America Inc sites in this extract: Denso Manufacturing Michigan Inc; Denso Manufacturing Athens Tennessee Inc; Denso Manufacturing North Carolina Inc. - Statesville Plant; Denso Manufacturing North Carolina Inc. - Greenville Plant. Largest disclosed chemicals by pounds: Zinc (fume or dust); Nitrate compounds (water dissociable; reportable only when in aqueous solution); Lead; Copper.
Denso Manufacturing Tennessee Inc is a LIGHT · MIXED-pathway Form-R site in Maryville, TN: 60.4K lbs across 8 chemicals (3 carcinogen-classified, CARC-LEAN). No single media clears 70% of the bar (lead segment off-site transfers at 57.3%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Morgan Advanced Materials and Texas Instruments.
Denso Manufacturing Tennessee Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
60K lbs Top 22% higher than 78% 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
Denso Manufacturing Tennessee Inc: Zinc (fume or dust)-led volume
Among the 760 Computers and Electronic Products facilities in this database, Denso Manufacturing Tennessee Inc reports the 77th-largest volume, placing it in the top 10.1% of its sector. Its reported volume is concentrated rather than spread: Zinc (fume or dust) alone is 91.0% of the total. Scale peers outside Tennessee include Morgan Advanced Materials and Texas Instruments.
Concentrated means ≥60% of Denso Manufacturing Tennessee Inc's pounds in one chemical - here Zinc (fume or dust) at 91.0%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Denso Manufacturing Tennessee Inc's total reported releases fell from 7.1 thousand lb in 2022 to 3.9 thousand lb in 2023, based on EPA TRI filings.
- Denso Manufacturing Tennessee Inc's off-site transfers fell from 2.9 thousand lb in 2022 to 961 lb in 2023, based on EPA TRI filings.
- Denso Manufacturing Tennessee Inc's air releases fell from 4.2 thousand lb in 2022 to 2.9 thousand lb in 2023, based on EPA TRI filings.
Denso Manufacturing Tennessee Inc Form-R facts
Compare this facility
See how Denso Manufacturing Tennessee Inc stacks up against nearby facilities and the typical reporter.
95% less than the comparison
2.7× more 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 Denso Manufacturing Tennessee Inc releases toxic chemicals into the environment. Total: 60.4K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 83% (23.0K lbs to 3.9K lbs).
Denso Manufacturing Tennessee Inc: annual Form-R pounds
LIGHT site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Denso Manufacturing Tennessee Inc year-over-year reported totals (decreased by 83% from 2019 to 2023). 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: Zinc (fume or dust).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 23.0K lbs | 7 |
| 2020 | 16.8K lbs | 6 |
| 2021 | 9.7K lbs | 7 |
| 2022 | 7.1K lbs | 7 |
| 2023 | 3.9K lbs | 7 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 3 of 8 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Zinc (fume or dust) | 55.0K lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 2.3K lbs | - |
| Lead | 2.0K lbs | Carcinogen |
| Copper | 637 lbs | - |
| Manganese | 373 lbs | - |
| Nickel | 86 lbs | Carcinogen |
| Zinc compounds | 0 lbs | - |
| 1-Bromopropane | 0 lbs | Carcinogen |
Denso Manufacturing Tennessee Inc in Blount
Nearest TRI Facilities to Denso Manufacturing Tennessee Inc
Closest other reporters in Tennessee - including Skier's Choice Inc, Sanford Brands, Smith & Wesson Brands Inc., ordered by distance.
Showing 8 of 594 other reporting facilities in Tennessee.
Similar Computers and Electronic Products Facilities
Other Computers and Electronic Products facilities with similar total release volumes (±80%), outside Tennessee - e.g. Morgan Advanced Materials, Texas Instruments, Isola USA Corp..
Compare beyond Tennessee
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Denso Manufacturing Tennessee Inc on cumulative reported pounds (60.4K lbs) and distinct chemical count (8). Release-pound peers include Toyoda Gosei Texas, Freudenberg-Nok General Ptnr, South Eddy Gas Plant. Chemical-count peers include Prepa-South Coast Power Plant, Argos Puerto Rico Corp., US Tsubaki Automotive 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.
- Toyoda Gosei Texas San Antonio, TX · Transportation Equipment 60.5K lbs reported
- Freudenberg-Nok General Ptnr Cleveland, GA · Plastics and Rubber 60.5K lbs reported
- South Eddy Gas Plant Malaga, NM · Natural Gas Processing 60.5K lbs reported
- Vibrantz Color Solutions Inc. Cincinnati, OH · Chemicals 60.5K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Denso International America Inc Facilities
Same-parent TRI sites ranked by reported releases - including Denso Manufacturing Michigan Inc, Denso Manufacturing Athens Tennessee Inc, Denso Manufacturing North Carolina Inc. - Statesville Plant.
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 Zinc (fume or dust), Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead, Copper; nearby reporters include Skier's Choice Inc. Denso Manufacturing Tennessee Inc stamps LIGHT volume · MIXED pathway · CARC-LEAN 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 Denso Manufacturing Tennessee Inc TRI extract (LIGHT · MIXED · CARC-LEAN · lead Zinc (fume or dust)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Denso Manufacturing Tennessee Inc totals are self-reported EPCRA §313 estimates for Maryville, TN, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 334519 · Computers and Electronic Products. 2.7% of Blount TRI pounds in this extract. Nearest ABS peer: Toyoda Gosei Texas (Δ 6 lbs). Pounds ≠ exposure.
Denso Manufacturing Tennessee Inc stamps LIGHT · MIXED pathway (off-site transfers leads at 57.3%). 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