Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
HOLLINGSHEAD MATERIALS (FORMERLY WESTROCK CP LLC ROCK-TENN
ONE EVERITT AVE, PANAMA CITY, FL, 32401
Parent company: SMYRNA READY MIX LLC
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 | Methanol | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Ammonia | Manganese compounds | Acetaldehyde | Total |
|---|---|---|---|---|---|---|
| 2022 | 286,712 | 29,751 | 31,406 | 55,841 | 19,983 | 476,810 |
| 2021 | 792,336 | 85,513 | 92,386 | — | 57,474 | 1,350,477 |
| 2020 | 848,024 | 86,165 | 91,267 | — | 59,386 | 1,353,715 |
| 2019 | 723,436 | 77,068 | 80,656 | 137,002 | 51,856 | 1,238,544 |
| 2018 | 721,809 | 95,976 | 75,692 | — | 50,848 | 1,232,152 |
| 2017 | 826,973 | 84,698 | 123,030 | 85,146 | 61,042 | 1,468,375 |
| 2016 | 852,200 | 88,730 | 132,905 | 108,160 | 62,504 | 1,558,888 |
| 2015 | 814,200 | 84,000 | 127,005 | 100,581 | 59,442 | 1,491,128 |
| 2014 | 857,400 | 87,800 | 136,005 | 109,600 | 62,222 | 1,548,565 |
| 2013 | 843,500 | 89,500 | 133,005 | 150,630 | 62,587 | 1,565,644 |
| 2012 | 864,600 | 92,500 | 135,000 | 135,800 | 62,148 | 1,571,677 |
| 2011 | 926,479 | 95,219 | 137,398 | 208,944 | 62,371 | 1,671,369 |
| 2010 | 985,599 | 99,143 | 135,636 | 202,399 | 68,308 | 1,753,498 |
| 2009 | 969,478 | 102,852 | 139,971 | 214,914 | 77,808 | 1,747,354 |
| 2008 | 897,989 | 90,621 | 180,956 | 185,685 | 52,825 | 1,558,569 |
| 2007 | 688,824 | 93,100 | 241,000 | 236,286 | 90,307 | 1,455,880 |
| 2006 | 1,005,127 | 160,578 | 202,973 | 297,316 | 76,656 | 1,877,932 |
| 2005 | 982,950 | 171,874 | 202,349 | 263,844 | 74,709 | 1,945,862 |
| 2004 | 996,532 | 174,004 | 521,238 | 363,837 | 75,897 | 2,407,428 |
| 2003 | 856,879 | 156,870 | 439,475 | 116,131 | 100,070 | 1,885,525 |
| 2002 | 923,920 | 89,727 | 178,250 | 45,934 | 93,866 | 1,476,329 |
| 2001 | 1,421,282 | 87,488 | 162,254 | 78,554 | 86,303 | 2,075,194 |
| 2000 | 1,945,829 | 58,586 | 118,024 | 91,613 | 73,259 | 2,608,280 |
| 1999 | 1,335,251 | 70,989 | — | 26,335 | — | 1,643,391 |
| 1998 | 871,745 | 83,570 | — | 17,801 | — | 1,101,886 |
| 1997 | 1,451,193 | 99,380 | — | 27,452 | — | 1,792,665 |
| 1996 | 1,337,018 | 89,780 | — | 110,300 | — | 1,776,667 |
| 1995 | 1,475,100 | 100,200 | — | — | — | 1,766,686 |
| 1994 | 808,227 | 30,057 | — | — | — | 995,785 |
| 1993 | 1,207,400 | 133,250 | — | — | — | 1,581,011 |
| 1992 | 1,586,800 | 158,200 | — | — | — | 2,066,421 |
| 1991 | 1,423,900 | 681,000 | — | — | — | 2,502,196 |
| 1990 | 1,399,300 | 685,000 | — | — | — | 2,372,335 |
| 1989 | 1,356,000 | 645,500 | — | — | — | 2,352,555 |
| 1988 | 1,275,995 | — | — | — | — | 1,954,086 |
| 1987 | — | — | — | — | — | 44,868 |