VALERO REFINING CO -OKLAHOMA VALERO ARDMORE REFINERY

Active TRI Registrant

ONE VALERO WAY

ARDMORE, OK 73401

EPA TRI Facility ID: 73401TTLPTHIGHW

Toxic Chemical Releases

Reported to EPA under the Toxics Release Inventory program, most recent reporting year.

Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)31,781 pounds

Nitrate compounds (water dissociable; reportable only when in aqueous solution)21,840 pounds

n-Hexane13,601 pounds

Xylene (mixed isomers)9,415.76 pounds

Toluene9,256.743 pounds

Ammonia8,994 pounds

BenzeneCarcinogen4,378.511 pounds

1,2,4-Trimethylbenzene2,742 pounds

Propylene2,388 pounds

Cyclohexane2,347 pounds

Carbonyl sulfide1,726 pounds

EthylbenzeneCarcinogen1,657.895 pounds

Hydrogen sulfide1,498 pounds

Lead And Lead CompoundsPersistent Bioaccumulative Toxic1,338.44 pounds

Ethylene1,115 pounds

Carbon disulfide1,046 pounds

Methanol696 pounds

NaphthaleneCarcinogen479 pounds

CumeneCarcinogen207 pounds

Polycyclic aromatic compoundsCarcinogen · Persistent Bioaccumulative Toxic87 pounds

StyreneCarcinogen78 pounds

Phenanthrene74 pounds

Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)69 pounds

Phenol51 pounds

TetrachloroethyleneCarcinogen15 pounds

Anthracene13.6 pounds

Hydrogen fluoride10 pounds

Mercury And Mercury CompoundsPersistent Bioaccumulative Toxic8.035 pounds

Cresol (mixed isomers)8 pounds

Ethylene glycol5 pounds

Benzo[g,h,i]perylenePersistent Bioaccumulative Toxic2.6 pounds

Dioxin and dioxin-like compoundsCarcinogen · Persistent Bioaccumulative Toxic0.292 grams

Other Registered Facilities Nearby

Source: U.S. EPA Toxic Release Inventory. Registration means this facility reports certain chemical activity to the EPA — it does not by itself indicate a violation or health hazard.