| ONYX SPECIALTY PAPERS INC. - WILLOW MILL | ONYX SPECIALTY PAPERS | Formaldehyde | 409.38 |
| BI-QEM INC. | BI-QEM INC | Formaldehyde | 0.54 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Benzene | 0.26 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Naphthalene | 0.22 |
| MINTEQ/SPECIALTY MINERALS | Minerals Technologies Inc. | Chromium | 0.18 |
| MINTEQ/SPECIALTY MINERALS | Minerals Technologies Inc. | Manganese | 0.08 |
| MINTEQ/SPECIALTY MINERALS | Minerals Technologies Inc. | Nickel | 0.03 |
| MINTEQ/SPECIALTY MINERALS | Minerals Technologies Inc. | Lead compounds | 0.02 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Ethylbenzene | 0.02 |
| DUCOMMUN AEROSTRUCTURES NEW YORK INC. | Ducommun | Nitric acid | 0.02 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | Ethylbenzene | 0.01 |
| WESTFIELD ELECTROPLATING CO | WESTFIELD ELECTROPLATING CO | Nitric acid | 0.01 |
| RPM WOOD FINISHES GROUP INC. | RPM International | Certain glycol ethers | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Xylene (mixed isomers) | 0.00 |
| O'CONNELL OIL NORTHAMPTON FACILITY | O'CONNELL OIL ASSOCIATES INC | Benzene | 0.00 |
| SPECIALTY MINERALS INC | Minerals Technologies Inc. | Lead compounds | 0.00 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | Xylene (mixed isomers) | 0.00 |
| PITTSFIELD GENERATING CO LP | Hull Street Energy | Ammonia (includes anhydrous ammonia and aqueous ammonia from water dissociable ammonium salts and other sources; 10 percent of total aqueous ammonia is reportable under this listing) | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | 1,2,4-Trimethylbenzene | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Polycyclic aromatic compounds | 0.00 |
| SPECIALTY MINERALS INC | Minerals Technologies Inc. | Naphthalene | 0.00 |
| ONYX SPECIALTY PAPERS INC. - WILLOW MILL | ONYX SPECIALTY PAPERS | Formic acid | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Hydrogen sulfide | 0.00 |
| SPECIALTY MINERALS INC | Minerals Technologies Inc. | Polycyclic aromatic compounds | 0.00 |
| O'CONNELL OIL NORTHAMPTON FACILITY | O'CONNELL OIL ASSOCIATES INC | Hydrogen sulfide | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Toluene | 0.00 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | Toluene | 0.00 |
| MINTEQ/SPECIALTY MINERALS | Minerals Technologies Inc. | Copper | 0.00 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | n-Hexane (Hexane) | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Cyclohexane | 0.00 |
| CRANE & CO. INC. | Crane Co. | Polycyclic aromatic compounds | 0.00 |
| WESTFIELD ELECTROPLATING CO | WESTFIELD ELECTROPLATING CO | Cyanide compounds | 0.00 |
| CRANE PIONEER MILL | Crane Co. | Polycyclic aromatic compounds | 0.00 |
| CONSTRUCTION SERVICE LLC | CS-MA LLC | Lead | 0.00 |
| APG NEW ENGLAND | CRH PLC | Lead compounds | 0.00 |
| RPM WOOD FINISHES GROUP INC. | RPM International | Methyl isobutyl ketone | 0.00 |
| ELECTRIC MOTION CO INC. | Hubbell | Copper | 0.00 |
| O'CONNELL OIL NORTHAMPTON FACILITY | O'CONNELL OIL ASSOCIATES INC | Polycyclic aromatic compounds | 0.00 |
| APG NEW ENGLAND | CRH PLC | Mercury | 0.00 |
| SPECIALTY MINERALS INC | Minerals Technologies Inc. | Benzo[g,h,i]perylene | 0.00 |
| MATIV HOLDINGS INC. | Schweitzer-Mauduit International | Dioxin and dioxin-like compounds (Manufacturing; and the processing or otherwise use of dioxin and dioxin like compounds if the dioxin and dioxin like compounds are present as contaminants in a chemical and if they were created during the manufacturing of that chemical.) | 0.00 |
| ELECTRIC MOTION CO INC. | Hubbell | Ammonia (includes anhydrous ammonia and aqueous ammonia from water dissociable ammonium salts and other sources; 10 percent of total aqueous ammonia is reportable under this listing) | 0.00 |
| HOLLAND CO | HOLLAND CO | Ammonia (includes anhydrous ammonia and aqueous ammonia from water dissociable ammonium salts and other sources; 10 percent of total aqueous ammonia is reportable under this listing) | 0.00 |
| CRANE & CO. INC. | Crane Co. | Benzo[g,h,i]perylene | 0.00 |
| CRANE PIONEER MILL | Crane Co. | Benzo[g,h,i]perylene | 0.00 |
| CONSTRUCTION SERVICE LLC | CS-MA LLC | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |