Facility detail

ALLOY PIPING PRODUCTS LLC

740 N MARKET ST, SHREVEPORT, LA, 71107

Parent company: TEXAS PIPE & SUPPLY

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	Methyl ethyl ketone	Nickel	Chromium	Manganese	Hydrogen fluoride	Total (lbs)
2024	—	693	78	160	—	931
2023	—	40	78	—	—	118
2022	—	41	81	—	—	122
2021	—	36	72	—	—	109
2020	—	36	68	129	—	247
2019	—	33	63	71	—	167
2018	—	29	55	—	—	84
2017	—	31	78	—	—	109
2016	—	239	456	—	—	697
2015	—	255	255	—	—	511
2014	—	755	1,903	2,320	—	4,978
2013	—	6,376	5,118	—	—	11,592
2012	—	750	5	—	—	755
2011	—	680	2	—	—	682
2010	—	677	3	—	—	680
2009	—	678	5	—	—	683
2008	—	382	8	3,083	—	3,473
2007	—	379	6	—	—	385
2006	—	22	8	21	—	51
2005	—	36	72	19	—	127
2004	—	30	58	—	—	88
2003	16,013	161	330	—	—	16,504
2002	34,939	676	1,078	—	—	36,802
2001	26,043	9	19	5	—	26,242
2000	34,449	755	755	255	250	36,714
1999	61,883	750	750	250	250	64,133
1998	68,750	—	—	—	255	69,260
1997	35,505	—	—	—	45	35,655
1996	34,050	—	—	—	43	34,244
1995	28,250	—	—	—	255	28,760
1994	1,876	—	—	—	255	2,396
1993	1,551	—	—	—	255	2,071
1992	8,750	—	—	—	4,250	13,510
1991	1,707	—	—	—	—	1,972

▎ 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.