Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
MARTIN MARIETTA SAN DIEGO AGGREGATES LLC - MIRAMAR HMA
9236 HARRIS PLT RD, SAN DIEGO, CA, 92145
Parent company: MARTIN MARIETTA MATERIALS 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 | Aluminum (fume or dust) | Polycyclic aromatic compounds | Lead compounds | Lead And Lead Compounds | Benzo[g,h,i]perylene | Total |
|---|---|---|---|---|---|---|
| 2024 | — | 0 | 1 | — | 0 | 1 |
| 2023 | — | 0 | 1 | — | 0 | 1 |
| 2022 | — | 0 | — | 0 | 0 | 1 |
| 2021 | 23 | 0 | — | 0 | 0 | 24 |
| 2020 | — | 0 | — | — | 0 | 0 |
| 2019 | — | 0 | — | — | 0 | 0 |