PREMCOR REFINING GROUP INC PORT ARTHUR

Active TRI Registrant

1801 S GULFWAY DR

PORT ARTHUR, TX 77640

EPA TRI Facility ID: 77640CLRKR1801S

Toxic Chemical Releases

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

Hydrogen cyanide240,263 pounds

Nitrate compounds (water dissociable; reportable only when in aqueous solution)94,196 pounds

Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)59,085 pounds

Barium And Barium Compounds31,113.21 pounds

Ammonia24,973 pounds

Toluene22,418.2 pounds

n-Hexane20,773.51 pounds

Carbonyl sulfide18,880 pounds

Xylene (mixed isomers)18,520.81 pounds

Propylene15,866 pounds

BenzeneCarcinogen15,490.29 pounds

Hydrogen sulfide14,699 pounds

Cyclohexane11,604 pounds

Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)11,011.86 pounds

Polycyclic aromatic compoundsCarcinogen · Persistent Bioaccumulative Toxic10,006.32 pounds

Carbon disulfide7,813.51 pounds

StyreneCarcinogen6,870.63 pounds

1,2,4-Trimethylbenzene3,812.86 pounds

EthylbenzeneCarcinogen3,508.62 pounds

Lead And Lead CompoundsPersistent Bioaccumulative Toxic2,760.66 pounds

NaphthaleneCarcinogen2,349.89 pounds

Phenanthrene1,857.72 pounds

Ethylene1,608 pounds

Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)1,327 pounds

Nickel And Nickel CompoundsCarcinogen1,009.2 pounds

Phenol985.09 pounds

Anthracene939.02 pounds

1,3-ButadieneCarcinogen755.54 pounds

2,4-Dimethylphenol522.01 pounds

CumeneCarcinogen415 pounds

Benzo[g,h,i]perylenePersistent Bioaccumulative Toxic254.73 pounds

Hydrogen fluoride250 pounds

Cresol (mixed isomers)172 pounds

Methanol98.62 pounds

Mercury And Mercury CompoundsPersistent Bioaccumulative Toxic59.5 pounds

TetrachloroethyleneCarcinogen28.14 pounds

Diethanolamine5 pounds

Dioxin and dioxin-like compoundsCarcinogen · Persistent Bioaccumulative Toxic0.442 grams

Molybdenum trioxideCarcinogen0 pounds

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.