| TRINITY HEADS INC PLT 56 | Trinity Industries | Chromium | 255.62 |
| TRINITY HEADS INC PLT 56 | Trinity Industries | Nickel | 19.10 |
| GRANT PRIDECO | NOV Inc. | Nickel | 8.52 |
| ELLWOOD TEXAS FORGE NAVASOTA | Ellwood Group | Chromium | 3.70 |
| ELLWOOD TEXAS FORGE NAVASOTA | Ellwood Group | Nickel | 3.23 |
| TOYO INK AMERICA LLC | Toyo Ink Group | Butyl acrylate | 0.54 |
| SANDERSON FARMS INC | Sanderson Farms | Hydrogen sulfide | 0.29 |
| GRANT PRIDECO | NOV Inc. | Manganese | 0.27 |
| TRINITY HEADS INC PLT 56 | Trinity Industries | Manganese | 0.18 |
| QUESTSPECIALTY CORP | QUESTSPECIALTY CORP | Trichloroethylene | 0.07 |
| NEW ALENCO WINDOWS LTD | Cornerstone Building Brands | 1,2,4-Trimethylbenzene | 0.06 |
| SAINT-GOBAIN NORPRO | Saint-Gobain | Hydrogen fluoride | 0.05 |
| HONEYWELL ELECTRONIC CHEMICALS LLC | Honeywell International | Hydrogen fluoride | 0.04 |
| ELLWOOD TEXAS FORGE NAVASOTA | Ellwood Group | Manganese | 0.02 |
| KOPPERS INC (SOMERVILLE TX) | Koppers | Polycyclic aromatic compounds | 0.02 |
| SANDERSON FARMS INC | Sanderson Farms | Ammonia | 0.02 |
| INNOCOR FOAM TECHNOLOGIES BRENHAM LLC | One Rock Capital Partners | Toluenediisocyanate | 0.02 |
| KNIFE RIVER CORP-SOUTH BRYAN ASPHALT PLANT | MDU Resources | Polycyclic aromatic compounds | 0.01 |
| TOYO INK AMERICA LLC | Toyo Ink Group | Acrylic acid | 0.00 |
| TOYO INK AMERICA LLC | Toyo Ink Group | Methyl acrylate | 0.00 |
| QUESTSPECIALTY CORP | QUESTSPECIALTY CORP | Tetrachloroethylene (Perchloroethylene) | 0.00 |
| VALERO REFINING-TEXAS LP | Valero Energy | Benzene | 0.00 |
| MESA MARBLE & STONE CO INC DBA MARBLE-CRAFT | MESA MARBLE & STONE CO INC DBA MARBLE-CRAFT | Styrene | 0.00 |
| HONEYWELL ELECTRONIC CHEMICALS LLC | Honeywell International | Ammonia | 0.00 |
| QUESTSPECIALTY CORP | QUESTSPECIALTY CORP | Dichloromethane | 0.00 |
| GRANT PRIDECO | NOV Inc. | Copper | 0.00 |
| TOYO INK AMERICA LLC | Toyo Ink Group | Vinyl acetate | 0.00 |
| ELLWOOD TEXAS FORGE NAVASOTA | Ellwood Group | Copper | 0.00 |
| TOYO INK AMERICA LLC | Toyo Ink Group | Ethyl acrylate | 0.00 |
| HEARNE STEEL CO INC | HEARNE STEEL CO INC | Lead compounds | 0.00 |
| H C CHANDLER & SON INC | H C CHANDLER & SON INC | Toluene | 0.00 |
| SAINT-GOBAIN NORPRO | Saint-Gobain | Formic acid | 0.00 |
| HEARNE STEEL CO INC | HEARNE STEEL CO INC | Zinc compounds | 0.00 |
| TOYO INK AMERICA LLC | Toyo Ink Group | Toluene | 0.00 |
| TXI-BRYAN INDEPENDENCE READY MIX | Martin Marietta Materials | Lead compounds | 0.00 |
| VALERO REFINING CO - TENNESSEE LLC | Valero Energy | Benzene | 0.00 |
| QUESTSPECIALTY CORP | QUESTSPECIALTY CORP | Glycol ethers | 0.00 |
| VALERO REFINING-TEXAS LP | Valero Energy | Ethylbenzene | 0.00 |
| VALERO REFINING-TEXAS LP | Valero Energy | 1,3-Butadiene | 0.00 |
| KNIFE RIVER CORP-SOUTH BRYAN ASPHALT PLANT | MDU Resources | Benzo(g,h,i)perylene | 0.00 |
| VALERO REFINING-TEXAS LP CORPUS CHRISTI WEST PLANT | Valero Energy | Benzene | 0.00 |
| CITGO PETROLEUM CORP | PDVSA (Petroleos de Venezuela S.A.) | Benzene | 0.00 |
| VALERO REFINING CO - TENNESSEE LLC | Valero Energy | Ethylbenzene | 0.00 |
| VALERO REFINING-TEXAS LP | Valero Energy | Polycyclic aromatic compounds | 0.00 |
| LIQUIDPOWER FLOW IMPROVER BRYAN PLANT | Berkshire Hathaway | Ethylene glycol | 0.00 |
| VALERO REFINING-TEXAS LP | Valero Energy | 1,2,4-Trimethylbenzene | 0.00 |
| VALERO REFINING-TEXAS LP | Valero Energy | Xylene (mixed isomers) | 0.00 |
| VALERO REFINING CO - TENNESSEE LLC | Valero Energy | Xylene (mixed isomers) | 0.00 |
| VALERO REFINING-TEXAS LP | Valero Energy | Tetrachloroethylene (Perchloroethylene) | 0.00 |
| VALERO REFINING-TEXAS LP CORPUS CHRISTI WEST PLANT | Valero Energy | Xylene (mixed isomers) | 0.00 |
| QUESTSPECIALTY CORP | QUESTSPECIALTY CORP | Methanol | 0.00 |
| VALERO REFINING-TEXAS LP | Valero Energy | n-Hexane | 0.00 |
| VALERO REFINING TEXAS LP CORPUS CHRISTI EAST PLANT | Valero Energy | Benzene | 0.00 |
| VALERO REFINING - MERAUX LLC MERAUX REFINERY | Valero Energy | Xylene (mixed isomers) | 0.00 |
| VALERO REFINING-TEXAS LP | Valero Energy | Toluene | 0.00 |
| VALERO REFINING CO - TENNESSEE LLC | Valero Energy | Toluene | 0.00 |
| ULTRAMAR INC WILMINGTON REFINERY | Valero Energy | Ethylbenzene | 0.00 |
| CITGO PETROLEUM CORP | PDVSA (Petroleos de Venezuela S.A.) | Xylene (mixed isomers) | 0.00 |
| VALERO REFINING CO - TENNESSEE LLC | Valero Energy | Cresol (mixed isomers) | 0.00 |
| VALERO REFINING-TEXAS LP | Valero Energy | Cumene | 0.00 |
| VALERO REFINING TEXAS LP CORPUS CHRISTI EAST PLANT | Valero Energy | Xylene (mixed isomers) | 0.00 |
| VALERO REFINING CO - TENNESSEE LLC | Valero Energy | Phenol | 0.00 |
| VALERO REFINING-TEXAS LP | Valero Energy | Cresol (mixed isomers) | 0.00 |
| VALERO REFINING CO - TENNESSEE LLC | Valero Energy | Cumene | 0.00 |
| VALERO REFINING-TEXAS LP CORPUS CHRISTI WEST PLANT | Valero Energy | Toluene | 0.00 |
| ULTRAMAR INC WILMINGTON REFINERY | Valero Energy | Xylene (mixed isomers) | 0.00 |
| VALERO REFINING-TEXAS LP | Valero Energy | Styrene | 0.00 |
| VALERO REFINING - MERAUX LLC MERAUX REFINERY | Valero Energy | Toluene | 0.00 |
| ULTRAMAR INC WILMINGTON REFINERY | Valero Energy | 1,2,4-Trimethylbenzene | 0.00 |
| VALERO REFINING-TEXAS LP | Valero Energy | Cyclohexane | 0.00 |
| CITGO PETROLEUM CORP | PDVSA (Petroleos de Venezuela S.A.) | Toluene | 0.00 |
| ULTRAMAR INC WILMINGTON REFINERY | Valero Energy | Toluene | 0.00 |
| CITGO PETROLEUM CORP | PDVSA (Petroleos de Venezuela S.A.) | Dioxin and dioxin-like compounds | 0.00 |
| QUESTSPECIALTY CORP | QUESTSPECIALTY CORP | 1-Bromopropane | 0.00 |
| KOPPERS INC (SOMERVILLE TX) | Koppers | Creosote, coal tar | 0.00 |
Political Economy Research Institute
