Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HOLLIDAY ROCK CO INC - CAMPUS
2006 N CAMP US AVE, UPLAND, CA, 91784
Parent company: HOLLIDAY ROCK CO INC
Carcinogen
PBT
— 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 | Aluminum (fume or dust) | Manganese | Lead compounds | Copper | Polycyclic aromatic compounds | Total (lbs) |
| 2024 | 46 | 5 | — | 1 | 1 | 55 |
| 2023 | 85 | 6 | — | 1 | 1 | 94 |
| 2022 | 57 | 4 | — | 1 | 0 | 64 |
| 2021 | 114 | 5 | — | 1 | — | 120 |
| 2015 | — | — | 1 | — | — | 1 |
| 2014 | — | — | 1 | — | — | 1 |
| 2013 | — | — | 1 | — | — | 1 |
| 2009 | — | — | — | — | 0 | 0 |
| 2008 | — | — | — | — | 0 | 0 |
| 2007 | — | — | 1 | — | 0 | 1 |
| 2006 | — | — | 0 | — | 0 | 0 |
| 2005 | — | — | 1 | — | 0 | 1 |
| 2004 | — | — | 1 | — | 0 | 1 |
| 2003 | — | — | 1 | — | 0 | 2 |
| 2002 | — | — | — | — | 0 | 0 |
| 2001 | — | — | — | — | 1 | 1 |
▎ 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.