Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
EXCALIBAR MINERALS LLC
2400 APPELT, HOUSTON, TX, 77015
Parent company: NEWPARK RESOURCES INC
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Lead | Arsenic | Copper | Mercury | Total |
|---|---|---|---|---|---|
| 2022 | 0 | — | — | — | 0 |
| 2021 | 0 | — | — | — | 0 |
| 2020 | 0 | — | — | 0 | 0 |
| 2019 | 0 | — | — | 0 | 0 |
| 2018 | 0 | — | — | 0 | 0 |
| 2017 | 0 | — | — | — | 0 |
| 2016 | 1 | — | — | — | 1 |
| 2015 | 5 | — | — | — | 5 |
| 2014 | 2 | — | — | — | 2 |
| 2013 | 5 | — | — | — | 5 |
| 2012 | 6 | — | — | — | 6 |
| 2011 | 4 | — | — | — | 4 |
| 2010 | 6 | — | — | — | 6 |
| 2009 | 3 | — | — | — | 3 |
| 2008 | 15 | 10 | — | — | 25 |
| 2007 | 15 | 10 | 10 | — | 35 |
| 2006 | 10 | — | — | — | 10 |
| 2005 | 1 | — | — | — | 1 |
| 2004 | 3 | — | — | — | 3 |
| 2001 | 1 | — | — | — | 1 |