Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
CORNERSTONE CHEMICAL CO LLC
10800 RIVER RD, WESTWEGO, LA, 70094
Parent company: CCC PARENT LLC
Carcinogen
— 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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Ammonia | Acetonitrile | Ammonium sulfate (solution) | Methanol | Total |
|---|---|---|---|---|---|---|
| 2024 | 15,329 | 3,083,261 | 5,504,517 | — | 405,729 | 11,307,130 |
| 2023 | 15,186 | 2,808,239 | 7,054,491 | — | 330,794 | 12,732,525 |
| 2022 | 13,745 | 4,065,786 | 6,183,365 | — | 521,020 | 13,169,604 |
| 2021 | 17,201 | 3,634,102 | 6,381,888 | — | 1,385,221 | 13,939,935 |
| 2020 | 18,118 | 4,071,486 | 3,226,954 | — | 2,579,228 | 12,337,288 |
| 2019 | 21,576 | 4,402,816 | 4,358,921 | — | 1,238,007 | 13,314,997 |
| 2018 | 23,371 | 4,271,838 | 5,694,629 | — | 1,855,515 | 14,758,762 |
| 2017 | 22,594 | 3,607,002 | 4,215,231 | — | 1,544,233 | 11,604,350 |
| 2016 | 22,889 | 3,544,100 | 3,775,710 | — | 1,685,005 | 12,144,943 |
| 2015 | 23,214 | 3,813,222 | 4,309,433 | — | 2,051,138 | 12,079,217 |
| 2014 | 24,390 | 3,704,051 | 4,057,996 | — | 2,345,579 | 11,626,903 |
| 2013 | 24,056 | 3,419,749 | 2,788,920 | — | 1,990,171 | 9,981,778 |
| 2012 | 23,170 | 2,568,765 | 5,143,031 | — | 2,737,314 | 13,033,799 |
| 2011 | 20,730 | 2,440,293 | 4,594,367 | — | 2,762,921 | 12,514,975 |
| 2010 | 22,940 | 3,522,918 | 6,737,402 | — | 3,081,951 | 15,611,971 |
| 2009 | 18,480 | 3,133,202 | 5,390,658 | — | 2,612,653 | 14,033,632 |
| 2008 | 20,499 | 2,238,577 | 4,308,812 | — | 2,817,189 | 15,664,679 |
| 2007 | 23,672 | 2,674,759 | 5,228,695 | — | 713,126 | 11,241,817 |
| 2006 | 21,957 | 2,587,129 | 3,739,347 | — | 1,275,716 | 10,716,541 |
| 2005 | 68,447 | 2,864,746 | 3,916,037 | — | 1,180,627 | 10,869,281 |
| 2004 | 75,542 | 2,239,854 | 3,385,385 | — | 930,164 | 9,378,734 |
| 2003 | 67,869 | 2,323,828 | 3,339,257 | — | 892,121 | 10,309,887 |
| 2002 | 66,650 | 2,770,515 | 2,803,960 | — | 841,105 | 9,252,895 |
| 2001 | 51,020 | 2,965,900 | 3,198,020 | — | 1,001,575 | 10,986,025 |
| 2000 | 61,020 | 2,832,000 | 7,905,106 | — | 1,909,090 | 16,892,718 |
| 1999 | 23,000 | 2,419,700 | 4,605,270 | — | 1,011,900 | 13,862,373 |
| 1998 | 24,056 | 2,641,300 | 7,800,420 | — | 1,035,300 | 19,904,872 |
| 1997 | 23,000 | 3,163,000 | 12,500,400 | — | 1,526,500 | 25,760,755 |
| 1996 | 23,000 | 3,205,030 | 15,500,490 | — | 1,928,000 | 28,561,121 |
| 1995 | 24,000 | 3,010,250 | 13,501,040 | — | 1,443,100 | 29,534,568 |
| 1994 | 21,000 | 2,839,005 | 6,201,160 | — | 1,440,500 | 20,514,100 |
| 1993 | 82,011,250 | 18,176,005 | 6,301,250 | — | 7,029,610 | 120,149,724 |
| 1992 | 71,011,000 | 50,395,250 | 13,001,255 | — | 4,527,630 | 147,088,590 |
| 1991 | 70,010,000 | 47,412,750 | 12,000,475 | — | 3,529,610 | 142,009,076 |
| 1990 | 80,011,000 | 51,432,400 | 12,000,314 | — | 4,028,481 | 162,030,982 |
| 1989 | 89,209,200 | 1,190,750 | 12,270,250 | 69,300,000 | 6,509,500 | 192,340,500 |
| 1988 | 82,811,000 | 707,100 | — | 64,000,000 | — | 157,498,550 |
| 1987 | — | 656,250 | — | — | — | 4,735,002 |