Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
JOHNS MANVILLE CORP PLANT 8
925 CARPENTER RD, DEFIANCE, OH, 43512
Parent company: BERKSHIRE HATHAWAY 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 | Ammonia | Methanol | Phenol | Formaldehyde | Ammonium sulfate (solution) | Total (lbs) |
| 2024 | 168,166 | — | — | 39,670 | — | 207,836 |
| 2023 | 155,307 | — | — | 57,219 | — | 212,526 |
| 2022 | 201,880 | — | — | 59,285 | — | 261,164 |
| 2021 | 196,751 | — | — | 60,300 | — | 257,051 |
| 2020 | 153,073 | — | — | 51,488 | — | 204,561 |
| 2019 | 171,870 | — | — | 47,000 | — | 218,870 |
| 2018 | 188,430 | — | — | 58,018 | — | 246,448 |
| 2017 | 192,331 | — | — | 41,190 | — | 233,522 |
| 2016 | 183,607 | — | — | 29,131 | — | 212,739 |
| 2015 | 184,560 | — | — | 28,761 | — | 213,322 |
| 2014 | 191,867 | — | — | 30,194 | — | 222,062 |
| 2013 | 179,860 | — | — | 33,987 | — | 214,253 |
| 2012 | 174,550 | — | — | 39,464 | — | 214,041 |
| 2011 | 217,948 | — | — | 55,895 | — | 273,870 |
| 2010 | 200,052 | — | — | 46,390 | — | 246,443 |
| 2009 | 159,837 | — | — | 39,209 | — | 199,047 |
| 2008 | 241,537 | — | — | 61,586 | — | 303,123 |
| 2007 | 367,945 | 1,053,192 | 126,508 | 131,220 | — | 1,678,867 |
| 2006 | 382,166 | 923,875 | 151,467 | 139,062 | — | 1,596,642 |
| 2005 | 351,281 | 950,814 | 138,337 | 124,417 | — | 1,564,922 |
| 2004 | 333,284 | 991,903 | 127,117 | 112,814 | — | 1,565,196 |
| 2003 | 326,274 | 1,137,937 | 129,013 | 115,212 | — | 1,708,504 |
| 2002 | 333,867 | 1,328,024 | 118,060 | 105,345 | — | 1,885,307 |
| 2001 | 346,509 | 60,654 | 194,303 | 162,256 | — | 763,723 |
| 2000 | 326,699 | 125,292 | 193,459 | 160,114 | — | 805,564 |
| 1999 | 363,292 | 128,115 | 161,981 | 176,465 | — | 829,853 |
| 1998 | 334,762 | 181,592 | 206,259 | 169,966 | — | 892,579 |
| 1997 | 271,946 | 227,724 | 222,403 | 193,897 | — | 915,970 |
| 1996 | 210,855 | 207,069 | 223,502 | 190,222 | — | 831,648 |
| 1995 | 124,083 | 139,278 | 187,364 | 109,609 | — | 560,334 |
| 1994 | 158,369 | 87,282 | 278,055 | 89,300 | — | 613,006 |
| 1993 | 177,171 | 83,672 | 226,509 | 135,146 | 19,100 | 641,598 |
| 1992 | 353,861 | — | 257,609 | 193,281 | 19,610 | 824,361 |
| 1991 | 313,591 | — | 213,608 | 189,352 | 21,076 | 737,627 |
| 1990 | 328,797 | — | 206,665 | 178,410 | 22,566 | 736,438 |
| 1989 | 345,811 | — | 356,265 | 142,904 | 20,290 | 865,270 |
| 1988 | 461,302 | — | 384,697 | — | — | 856,156 |
▎ 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.