Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
STANDARD MACHINE WORKS INC
5602 ARAPAHOE ST, HOUSTON, TX, 77020
Parent company: BERKSHIRE HATHAWAY INC
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Chromium | Nickel | Copper | Cobalt | Total (lbs) | |
| 2020 | 4 | — | — | 4 | 8 | |
| 2016 | 1 | 2 | — | — | 3 | |
| 2015 | 6 | 8 | — | — | 14 | |
| 2014 | 9 | 10 | — | — | 19 | |
| 2013 | 9 | 9 | 2 | — | 20 | |
| 2012 | 7 | 8 | 5 | — | 20 | |
| 2011 | 6 | 7 | 5 | — | 18 | |
| 2010 | 9 | 6 | 4 | — | 19 | |
| 2009 | 6 | 3 | — | — | 9 | |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.