Facility detail

VALERO REFINING CO -OKLAHOMA VALERO ARDMORE REFINERY

ONE VALERO WAY, ARDMORE, OK, 73401

Parent company: VALERO ENERGY 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, grouped by reporting year.

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	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Toluene	Ammonia	Xylene (mixed isomers)	Total
2024	21,840	31,781	9,223	8,994	9,372	115,534
2023	23,117	28,528	9,673	8,078	8,387	114,132
2022	99,823	30,775	9,633	5,763	8,289	186,837
2021	94,632	29,399	8,665	5,488	8,065	179,434
2020	25,824	29,708	13,601	4,296	15,879	119,924
2019	26,038	32,400	13,020	2,439	16,649	124,330
2018	26,443	29,371	22,729	2,105	20,713	145,902
2017	8,116	30,559	16,837	2,705	13,825	106,416
2016	8,239	27,267	9,139	2,872	8,183	88,394
2015	9,355	76,231	8,701	7,383	10,331	153,682
2014	8,722	95,325	13,693	14,491	10,942	187,239
2013	41,281	91,100	13,575	12,425	10,956	214,276
2012	69,637	84,702	12,708	17,412	9,568	239,336
2011	17,957	77,049	10,351	13,267	9,098	167,875
2010	90,903	76,087	9,773	12,561	9,315	255,358
2009	97,773	50,694	9,776	13,151	9,186	225,549
2008	141,897	56,128	8,638	16,874	6,586	277,507
2007	91,020	59,965	10,987	28,523	7,986	248,739
2006	167,460	59,332	10,923	24,246	5,053	312,972
2005	155,960	69,300	21,658	30,722	21,890	385,951
2004	138,478	—	21,263	30,383	20,378	349,434
2003	127,000	12,166	31,528	22,919	23,800	338,734
2002	155,816	28,926	29,574	38,647	22,800	420,449
2001	112,530	—	47,570	62,558	41,100	429,961
2000	232,950	—	65,840	15,501	36,840	502,672
1999	204,880	—	49,171	16,696	46,046	443,531
1998	42,200	—	52,900	2,850	84,340	421,001
1997	213,000	—	6,424	11,990	9,772	637,376
1996	213,000	—	19,602	44,100	6,444	359,906
1995	261,000	—	16,010	46,000	5,070	397,967
1994	—	—	15,372	76,790	4,676	167,688
1993	—	—	30,305	39,100	30,410	213,457
1992	—	—	36,501	34,313	34,840	330,024
1991	—	—	14,803	21,260	16,780	110,451
1990	—	—	55,132	32,699	20,481	161,218
1989	—	—	21,550	11,950	18,300	95,500
1988	—	—	—	15,050	22,800	390,100
1987	—	—	22,750	—	—	408,450