Facility detail

U.S. NATL PARK SERVICE - GRAND CANYON NATIONAL PARK

1575 SHUTTLE BUS RD, GRAND CANYON, AZ, 86023

Parent company: NA

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds, grouped by reporting year.

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 Chlorine Mixture Lead Lead And Lead Compounds Total
2024 13,800 133 13,933
2023 10,350 296 10,646
2022 12,610 395 13,005
2021 10,810 138 10,948
2020 21,750 162 21,912
2019 20,670 483 21,153
2018 333 333
2017 490 490
2012 111 111
2010 135 135
2009 442 442
2008 589 589
2007 950 950
2006 922 922
2005 344 344
2004 523 523
2003 576 576