Facility detail

CERTAINTEED CORP MOUNTAINTOP FACILITY

1220 OAK HILL RD CRESTWOOD INDUSTRIAL PARK, MOUNTAIN TOP, PA, 18707

Parent company: SAINT-GOBAIN CORP

Carcinogen PBT — EPA classifications across all reporting years

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Year-over-year total releases

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

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	Phenol	Formaldehyde	Methanol	Chromium	Total (lbs)
2010	—	13,280	—	—	1	13,281
2009	7,831	81,920	20,360	27,040	13	137,170
2008	14,437	109,980	25,040	36,300	17	185,781
2007	12,831	133,980	35,900	44,240	24	226,997
2006	43,220	109,620	42,230	90,800	24	285,923
2005	67,791	96,544	53,610	—	25	217,970
2004	15,622	113,136	71,272	—	13	200,043
2003	12,800	69,212	29,421	—	12	111,445
2002	12,480	68,298	26,415	—	12	107,205
2001	20,547	67,914	30,473	—	12	118,946
2000	179,396	60,048	23,642	—	12	263,098
1999	234,711	73,037	37,535	—	20	345,303
1998	261,250	80,207	40,944	—	15	382,416
1997	252,992	66,097	29,463	—	13	348,565
1996	95,265	191,132	66,186	—	15	352,598
1995	409,555	133,893	43,560	—	54	587,062
1994	315,152	23,274	25,028	—	62	363,516
1993	279,585	20,318	21,617	—	55	321,575
1992	280,468	20,865	22,196	—	58	323,587
1991	147,600	18,022	19,250	—	17	184,889
1990	—	42,473	25,530	—	23	68,026
1989	—	99,188	46,292	—	57	145,537
1988	—	—	—	—	81	81

▎ 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.