ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP

Active TRI Registrant

355 LA HWY 3142 (GATE 1)

HAHNVILLE, LA 70057

EPA TRI Facility ID: 70057NNCRBHWY31

Toxic Chemical Releases

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

Ammonia124,124 pounds

Ethylene121,548 pounds

Methyl acrylateCarcinogen103,018 pounds

1,4-DioxaneCarcinogen87,575 pounds

Methanol50,287 pounds

Acrylic acid46,561 pounds

Hydroquinone26,102 pounds

Propylene23,045 pounds

FormaldehydeCarcinogen18,533 pounds

n-Hexane7,197 pounds

Allyl alcohol7,191 pounds

Ethylene oxideCarcinogen6,894 pounds

AcetaldehydeCarcinogen5,454 pounds

Diethanolamine5,138 pounds

Zinc compounds4,322 pounds

Nonylphenol4,114 pounds

AcroleinCarcinogen3,638 pounds

Ethylene glycol3,253 pounds

n-Butyl alcohol2,102 pounds

Copper compounds1,679 pounds

Nickel compoundsCarcinogen1,591 pounds

Butyraldehyde1,588 pounds

Chromium compounds (except for chromite ore mined in the Transvaal Region)975 pounds

Hydrogen sulfide975 pounds

EthylbenzeneCarcinogen760 pounds

Phthalic anhydride733 pounds

1,2,4-Trimethylbenzene701 pounds

Toluene524 pounds

BenzeneCarcinogen517 pounds

1,3-ButadieneCarcinogen507 pounds

N-Hydroxyethylethylenediamine431 pounds

NaphthaleneCarcinogen429.1 pounds

Formic acid330 pounds

Xylene (mixed isomers)225 pounds

Propionaldehyde199 pounds

Certain glycol ethers161 pounds

Biphenyl102 pounds

Isobutyraldehyde66 pounds

StyreneCarcinogen61 pounds

1,2-DichloroethaneCarcinogen16 pounds

Nonylphenol Ethoxylates13 pounds

Anthracene5 pounds

PyridineCarcinogen1 pounds

Polycyclic aromatic compoundsCarcinogen · Persistent Bioaccumulative Toxic1 pounds

Cyclohexane1 pounds

Silver And Silver Compounds0 pounds

Vanadium compounds0 pounds

Molybdenum trioxideCarcinogen0 pounds

IsopreneCarcinogen0 pounds

CumeneCarcinogen0 pounds

Dicyclopentadiene0 pounds

Dimethyl phthalate0 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.