EPA TRI Facility · Machinery
National Oilwell Varco LP
Dayton, OH · Parent: National Oilwell Varco Inc
- Total releases
- 750 lbs
- Chemicals reported
- 3
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
National Oilwell Varco LP: how the 750 lbs splits
750 lbs across all reported pathways
- Air Releases 750 lbs 100.0%
National Oilwell Varco LP's 750 lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Chromium compounds (except for chromite ore mined in the Transvaal Region).
TRACE volume AIR pathway CARC-MID
National Oilwell Varco LP is an EPA Toxics Release Inventory reporter in Dayton, OH, in the machinery sector. It reported 750 lbs of releases across 3 chemicals, summed over every year it filed. That ranks 14,265 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Ohio's 1,299 reporting TRI sites, pounds #1 is not chemical-count #1. National Oilwell Varco LP is pounds #937 and chemical-count #671 at 750 lbs. Ineos Nitriles USA LLC leads reported pounds (42.4M lbs) at 31 chemicals (chemical-count #10). Heritage Thermal Services leads chemical count at 217 chemicals (431.4K lbs, pounds #116). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Rubber Seal; Yoder Industries Inc.; Yoder Industries Inc.; Parker Lord Corp. Similar-scale Machinery peers outside Ohio: Hill Phoenix Inc; Jarp Industries Inc; Copeland Corp LLC; Joy Global Evansville Wy. Other National Oilwell Varco Inc sites in this extract: Containment Solutions Inc; Containment Solutions Inc. Largest disclosed chemicals by pounds: Chromium compounds (except for chromite ore mined in the Transvaal Region); Manganese compounds; Nickel compounds.
National Oilwell Varco LP stamps TRACE volume with a dominant AIR pathway (100.0% air releases) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 750 lbs (2019–2020). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Hill Phoenix Inc and Jarp Industries Inc.
National Oilwell Varco LP vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
750 lbs 45th percentile higher than 45% 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
National Oilwell Varco LP in the Machinery sector extract
Among the 1,186 Machinery facilities in this database, National Oilwell Varco LP reports the 445th-largest volume (750 lbs). Scale peers outside Ohio include Hill Phoenix Inc and Jarp Industries Inc.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
National Oilwell Varco LP Form-R facts
Compare this facility
See how National Oilwell Varco LP stacks up against nearby facilities and the typical reporter.
99% less than the comparison
50% 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 National Oilwell Varco LP releases toxic chemicals into the environment. Total: 750 lbs.
Emissions Trend Summary
From 2019 to 2020, total releases decreased by 100% (750 lbs to 0 lbs).
National Oilwell Varco LP: annual Form-R pounds
TRACE site · AIR pathway · TRI years 2019–2020
- 2019 0
- 2020 0
What this shows National Oilwell Varco LP year-over-year reported totals (decreased by 100% from 2019 to 2020). 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: Chromium compounds (except for chromite ore mined in the Transvaal Region).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 750 lbs | 3 |
| 2020 | 0 lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2020). 1 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 250 lbs | - |
| Manganese compounds | 250 lbs | - |
| Nickel compounds | 250 lbs | Carcinogen |
National Oilwell Varco LP · AIR-pathway site
Nearest TRI Facilities to National Oilwell Varco LP
Closest other reporters in Ohio - including Rubber Seal, Yoder Industries Inc., Yoder Industries Inc., ordered by distance.
Showing 8 of 1,298 other reporting facilities in Ohio.
Similar Machinery Facilities
Other Machinery facilities with similar total release volumes (±80%), outside Ohio - e.g. Hill Phoenix Inc, Jarp Industries Inc, Copeland Corp LLC.
Other National Oilwell Varco Inc Facilities
Same-parent TRI sites ranked by reported releases - including Containment Solutions Inc, Containment Solutions Inc.
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 Chromium compounds (except for chromite ore mined in the Transvaal Region), Manganese compounds, Nickel compounds; nearby reporters include Rubber Seal. National Oilwell Varco LP stamps TRACE volume · AIR pathway · CARC-MID 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 National Oilwell Varco LP TRI extract (TRACE · AIR · CARC-MID · lead Chromium compounds (except for chromite ore mined in the Transvaal Region)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
National Oilwell Varco LP totals are self-reported EPCRA §313 estimates for Dayton, OH, latest year 2020. Form-R rows span 2019–2020 (2 years). NAICS 333999 · Machinery. 0.0% of Montgomery TRI pounds in this extract. Nearest ABS peer: Alloy Polymers (Δ 0 lbs). Pounds ≠ exposure.
National Oilwell Varco LP stamps TRACE volume · AIR pathway · CARC-MID · lead Chromium compounds (except for chromite ore mined in the Transvaal Region). PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. 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