Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
MARTIN MARIETTA MATERIALS SOUTHWEST LTD BLACK SPUR PLANT
4483 RANCH RD 1022, UVALDE, TX, 78801
Parent company: MARTIN MARIETTA MATERIALS
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 | Polycyclic aromatic compounds | Benzo[g,h,i]perylene | Total |
|---|---|---|---|
| 2005 | 58 | 0 | 58 |
| 2004 | 27 | — | 27 |