Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
JOHNS MANVILLE PLANT 2
408 PERRY ST, 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 | Formaldehyde | Phenol | Ammonium sulfate (solution) | Total (lbs) |
| 2024 | 28,672 | — | 23,614 | — | — | 52,449 |
| 2023 | 30,178 | — | 21,287 | — | — | 51,581 |
| 2022 | 27,940 | — | 25,456 | — | — | 53,522 |
| 2021 | 45,451 | — | 23,497 | — | — | 69,115 |
| 2020 | 46,248 | — | 20,149 | — | — | 66,559 |
| 2019 | 45,978 | — | 26,792 | — | — | 73,171 |
| 2018 | 67,162 | — | 32,284 | — | — | 99,726 |
| 2017 | 74,817 | — | 37,484 | — | — | 112,588 |
| 2016 | 64,242 | — | 9,282 | — | — | 73,750 |
| 2015 | 47,779 | — | 7,485 | — | — | 55,452 |
| 2014 | 33,936 | — | 9,984 | — | — | 44,089 |
| 2013 | 41,114 | — | 6,062 | — | — | 47,417 |
| 2012 | — | — | 15,728 | — | — | 17,337 |
| 2011 | 48,213 | — | 16,365 | — | — | 66,410 |
| 2010 | 61,111 | — | 18,338 | — | — | 79,476 |
| 2009 | 51,056 | — | 17,171 | — | — | 68,227 |
| 2008 | 66,749 | — | 20,351 | — | — | 87,100 |
| 2007 | 73,494 | 128,410 | 38,394 | 21,806 | — | 262,115 |
| 2006 | 77,979 | 391,432 | 63,540 | 39,486 | — | 572,460 |
| 2005 | 112,319 | 349,242 | 74,720 | 40,250 | — | 576,563 |
| 2004 | 114,023 | 350,016 | 76,720 | 45,461 | — | 586,251 |
| 2003 | 115,795 | 372,615 | 65,752 | 49,688 | — | 603,869 |
| 2002 | 331,208 | 358,900 | 79,771 | 48,452 | — | 818,367 |
| 2001 | 239,650 | 72,540 | 147,670 | 69,660 | — | 529,523 |
| 2000 | 203,800 | 83,670 | 128,270 | 73,000 | — | 488,740 |
| 1999 | 208,600 | 80,900 | 128,050 | 80,090 | — | 497,640 |
| 1998 | — | 68,129 | 50,347 | 70,711 | — | 189,187 |
| 1997 | — | 56,890 | 50,689 | 59,655 | — | 167,234 |
| 1996 | — | 72,724 | 64,797 | 78,593 | — | 216,114 |
| 1995 | — | 76,690 | 66,521 | 77,489 | — | 220,700 |
| 1994 | 170,516 | — | 47,259 | 60,368 | — | 278,143 |
| 1993 | 130,079 | — | 51,184 | 72,439 | 3,428 | 257,130 |
| 1992 | 189,976 | — | 55,113 | 78,000 | 3,315 | 326,404 |
| 1991 | 163,193 | — | 46,568 | 65,906 | 3,285 | 278,952 |
| 1990 | 169,314 | — | 105,953 | 74,935 | 5,088 | 355,540 |
| 1989 | 179,777 | — | 111,674 | 72,310 | 5,070 | 369,081 |
| 1988 | 151,117 | — | 93,908 | 96,930 | — | 342,205 |
| 1987 | — | — | 5,862 | 6,724 | — | 12,586 |
▎ 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.