| BRIO REFINING, INC. (HARRIS County, TX) |
| CANNON ENGINEERING CORP. (CEC) (PLYMOUTH County, MA) |
| CHEMFAX, INC. (HARRISON County, MS) |
| CHEMICAL CONTROL (UNION County, NJ) |
| COMBUSTION, INC. (LIVINGSTON Parish, LA) |
| DEL AMO (LOS ANGELES County, CA) |
| DIAZ CHEMICAL CORPORATION (ORLEANS County, NY) |
| DISTLER BRICKYARD (HARDIN County, KY) |
| FIKE CHEMICAL, INC. (PUTNAM County, WV) |
| HELEN KRAMER LANDFILL (GLOUCESTER County, NJ) |
| KANE & LOMBARD STREET DRUMS (BALTIMORE (CITY) County, MD) |
| LIPARI LANDFILL (GLOUCESTER County, NJ) |
| LIQUID DISPOSAL, INC. (MACOMB County, MI) |
| MCCOLL (ORANGE County, CA) |
| PICILLO FARM (KENT County, RI) |
| POLLUTION ABATEMENT SERVICES (OSWEGO County, NY) |
| QUEEN CITY FARMS (KING County, WA) |
| RHINEHART TIRE FIRE DUMP (FREDERICK County, VA) |
| SYNCON RESINS (HUDSON County, NJ) |
| TYSONS DUMP (MONTGOMERY County, PA) |
| UNITED CREOSOTING CO. (MONTGOMERY County, TX) |
| YAWORSKI WASTE LAGOON (WINDHAM County, CT) |
