TRI facility · TRI 2024 reporting year

Nov Quality Tubing

Total reported releases 5k lb more than halved year over year (-94%). Total releases concentrations have more than doubled since 2016.

10303 SHELDON RD - 10222 SHELDON ROAD, Houston, Texas · 331210 · Primary Metals · operated by National Oilwell Varco LP

TOTAL RELEASES · 20162024
Bar chart of annual values from 2016 to 2024, in lb. Most recent year (2024): 5k.492k'16'18'20'22'245k
Anomaly engine

Notable Signals

YEAR-OVER-YEAR DROP · RELEASE SHIFT

0000108883

0000108883 releases at Nov Quality Tubing fell from 37k lb to 0 lb (100% lower) between 2023 and 2024.

YEAR-OVER-YEAR DROP · RELEASE SHIFT

Methyl isobutyl ketone

Methyl isobutyl ketone releases at Nov Quality Tubing fell from 34k lb to 851 lb (98% lower) between 2023 and 2024.

Chemicals reported · most recent year

What This Facility Releases

RESPIRATORYCAS 67-56-1

Methanol

4k lb · YoY

Methanol volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.

CARCINOGENCAS 108-10-1

Methyl isobutyl ketone

851 lb · -98% YoY

Methyl isobutyl ketone concentrations have more than halved since 2022.

RESPIRATORYCAS 7439-96-5

Manganese

2 lb · +60% YoY

Manganese concentrations have more than halved since 2018.

CARCINOGENCAS 7440-02-0

Nickel

1 lb · -50% YoY

Nickel volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (5 Census block groups, population-weighted demographics): a population of 11,407. Why we surface this →

POPULATION SHARE
44.0%

Low-income

POPULATION SHARE
83.4%

People of color

POPULATION SHARE
7.7%

Under age 5

POPULATION SHARE
5.0%

Over age 64

Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 3-mile buffer around this facility (from USEPA-clone/EJAM-open blockgroupstats). Indicator-level percentile and EJ-disparity scores are surfaced on the county page and the state page — they describe wider regional exposure burdens, not effects attributable to a single facility.

Source. EPA Toxics Release Inventory · retrieved 2026-05-07. Reporting year 2024. TRI is a federal public-domain dataset under 17 USC §105.

What this is not. TRI quantifies releases reported by the facility under EPCRA §313 — not ambient air or water concentrations measured at receptors. We do not attribute individual health outcomes to specific facilities; that exceeds what the data can support.