EPA TRI Facility · Machinery
National Oilwell Varco/tulsa Multiplex
Tulsa, OK · Parent: National Oilwell Varco LP
- Total releases
- 7.5K lbs
- Chemicals reported
- 4
- Carcinogens
- 1
- Primary pathway
- Air Releases
MIXED Form-R mix
National Oilwell Varco/tulsa Multiplex: how the 7.5K lbs splits
7.5K lbs across all reported pathways
- Air Releases 4.9K lbs 65.5%
- Off-site Transfers 2.6K lbs 34.5%
National Oilwell Varco/tulsa Multiplex's 7.5K lbs Form-R total is MIXED - air releases is 65.5% of the bar. Next segment: off-site transfers at 34.5%. Leading chemical by pounds: Copper.
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
National Oilwell Varco/tulsa Multiplex is an EPA Toxics Release Inventory reporter in Tulsa, OK, in the machinery sector. It reported 7.5K lbs of releases across 4 chemicals, summed over every year it filed. That ranks 10,384 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Oklahoma's 350 reporting TRI sites, pounds #1 is not chemical-count #1. National Oilwell Varco/tulsa Multiplex is pounds #185 and chemical-count #145 at 7.5K lbs. International Paper Co leads reported pounds (28.8M lbs) at 21 chemicals (chemical-count #10). Clean Harbors Lone Mountain LLC Lone Mountain Facility leads chemical count at 51 chemicals (15.9M lbs, pounds #3). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Rolled Alloys; Asphalt & Fuel Supply; Td Williamson Inc Tulsa Manufacturing Facility; Rex Portable Concrete Plant No. 2701. Similar-scale Machinery peers outside Oklahoma: Frigid Fluid Co; Curtiss Wright Electro Mech Corp; Transnorm System; Caterpillar. Other National Oilwell Varco LP sites in this extract: Nov Fiber Glass Systems - Containment Solutions; Nov Quality Tubing; Fiber Glass Systems LP; Lfm Giddings West. Largest disclosed chemicals by pounds: Copper; Manganese; Nickel; Chromium.
National Oilwell Varco/tulsa Multiplex is a LIGHT · MIXED-pathway Form-R site in Tulsa, OK: 7.5K lbs across 4 chemicals (1 carcinogen-classified, CARC-LEAN). No single media clears 70% of the bar (lead segment air releases at 65.5%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Frigid Fluid Co and Curtiss Wright Electro Mech Corp.
National Oilwell Varco/tulsa Multiplex vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
7.5K lbs Top 40% higher than 60% 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/tulsa Multiplex: Copper-led volume
Among the 1,186 Machinery facilities in this database, National Oilwell Varco/tulsa Multiplex reports the 223rd-largest volume, placing it in the top 18.8% of its sector. Its reported volume is concentrated rather than spread: Copper alone is 67.0% of the total. Scale peers outside Oklahoma include Frigid Fluid Co and Curtiss Wright Electro Mech Corp.
Concentrated means ≥60% of National Oilwell Varco/tulsa Multiplex's pounds in one chemical - here Copper at 67.0%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- National Oilwell Varco/tulsa Multiplex's total reported releases fell from 4.7 thousand lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- National Oilwell Varco/tulsa Multiplex's air releases fell from 4.7 thousand lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- National Oilwell Varco/tulsa Multiplex's chemicals reported fell from 4 in 2022 to 2 in 2023, based on EPA TRI filings.
National Oilwell Varco/tulsa Multiplex Form-R facts
Compare this facility
See how National Oilwell Varco/tulsa Multiplex stacks up against nearby facilities and the typical reporter.
60% less than the comparison
20% 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/tulsa Multiplex releases toxic chemicals into the environment. Total: 7.5K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 100% (313 lbs to 0 lbs).
National Oilwell Varco/tulsa Multiplex: 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 National Oilwell Varco/tulsa Multiplex year-over-year reported totals (decreased by 100% 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: Copper.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 313 lbs | 4 |
| 2020 | 2.5K lbs | 4 |
| 2021 | 48 lbs | 4 |
| 2022 | 4.7K lbs | 4 |
| 2023 | 0 lbs | 2 |
National Oilwell Varco/tulsa Multiplex in Creek
Nearest TRI Facilities to National Oilwell Varco/tulsa Multiplex
Closest other reporters in Oklahoma - including Rolled Alloys, Asphalt & Fuel Supply, Td Williamson Inc Tulsa Manufacturing Facility, ordered by distance.
Showing 8 of 349 other reporting facilities in Oklahoma.
Similar Machinery Facilities
Other Machinery facilities with similar total release volumes (±80%), outside Oklahoma - e.g. Frigid Fluid Co, Curtiss Wright Electro Mech Corp, Transnorm System.
Compare beyond Oklahoma
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest National Oilwell Varco/tulsa Multiplex on cumulative reported pounds (7.5K lbs) and distinct chemical count (4). Release-pound peers include Prospect Foundry LLC, American Metal Coatings, Custom Cats Mi Inc. Chemical-count peers include Hamilton Sundstrand de Puerto Rico Inc., Abb Installation Products Caribe LLC, Solenis 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.
- Prospect Foundry LLC Minneapolis, MN · Primary Metals 7.6K lbs reported
- American Metal Coatings Cleveland, OH · Fabricated Metals 7.5K lbs reported
- Custom Cats Mi Inc Rockledge, FL · Plastics and Rubber 7.6K lbs reported
- Airgas Specialty Products-Riverdale Il Riverdale, IL · Chemical Wholesalers 7.6K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Hamilton Sundstrand de Puerto Rico Inc. Santa Isabel, PR · Transportation Equipment 4 chemicals
- Abb Installation Products Caribe LLC Vega Baja, PR · Electrical Equipment 4 chemicals
- Solenis LLC Chicopee, MA · Chemicals 4 chemicals
- Adhesive Applications Inc. - O'Neill St Easthampton Easthampton, MA · Miscellaneous Manufacturing 4 chemicals
Other National Oilwell Varco LP Facilities
Same-parent TRI sites ranked by reported releases - including Nov Fiber Glass Systems - Containment Solutions, Nov Quality Tubing, Fiber Glass Systems LP.
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 Copper, Manganese, Nickel, Chromium; nearby reporters include Rolled Alloys. National Oilwell Varco/tulsa Multiplex 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 National Oilwell Varco/tulsa Multiplex TRI extract (LIGHT · MIXED · CARC-LEAN · lead Copper) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
National Oilwell Varco/tulsa Multiplex totals are self-reported EPCRA §313 estimates for Tulsa, OK, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 333132 · Machinery. 0.5% of Creek TRI pounds in this extract. Nearest ABS peer: Prospect Foundry LLC (Δ 4 lbs). Pounds ≠ exposure.
National Oilwell Varco/tulsa Multiplex stamps LIGHT · MIXED pathway (air releases leads at 65.5%). 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