| ONYX SPECIALTY PAPERS INC. - WILLOW MILL | ONYX SPECIALTY PAPERS | Formaldehyde | 201.32 |
| OMG INC | Steel Partners Holdings | Cobalt | 88.96 |
| BI-QEM INC. | BI-QEM INC | Formaldehyde | 0.81 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Benzene | 0.32 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Naphthalene | 0.28 |
| MINTEQ/SPECIALTY MINERALS | Minerals Technologies Inc. | Chromium | 0.16 |
| HAZEN PAPER CO | HAZEN PAPER CO | Certain glycol ethers | 0.11 |
| SOLENIS LLC | Platinum Equity | Epichlorohydrin | 0.09 |
| MINTEQ/SPECIALTY MINERALS | Minerals Technologies Inc. | Manganese | 0.08 |
| CARDINAL HEALTH / KPR | Cardinal Health | Acrylic acid | 0.07 |
| MINTEQ/SPECIALTY MINERALS | Minerals Technologies Inc. | Nickel | 0.03 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Ethylbenzene | 0.02 |
| CALLAWAY GOLF BALL OPERATIONS INC | Callaway Golf | Diisocyanates | 0.02 |
| MINTEQ/SPECIALTY MINERALS | Minerals Technologies Inc. | Lead compounds | 0.02 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | Ethylbenzene | 0.02 |
| WESTFIELD ELECTROPLATING CO | WESTFIELD ELECTROPLATING CO | Nitric acid | 0.01 |
| HAZEN PAPER CO | HAZEN PAPER CO | n-Butyl alcohol (1-Butanol) | 0.01 |
| RPM WOOD FINISHES GROUP INC. | RPM International | Certain glycol ethers | 0.01 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Xylene (mixed isomers) | 0.00 |
| OMG INC | Steel Partners Holdings | Lead | 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 |
| 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 |
| TURF CARE SUPPLY-HATFIELD PLANT | Platte River Equity | Manganese compounds | 0.00 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | Xylene (mixed isomers) | 0.00 |
| SPECIALTY MINERALS INC | Minerals Technologies Inc. | Naphthalene | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Polycyclic aromatic compounds | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | 1,2,4-Trimethylbenzene | 0.00 |
| RANDOLPH PRODUCTS CO | RANDOLPH PRODUCTS CO | Xylene (mixed isomers) | 0.00 |
| SPECIALTY MINERALS INC | Minerals Technologies Inc. | Polycyclic aromatic compounds | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Hydrogen sulfide | 0.00 |
| O'CONNELL OIL NORTHAMPTON FACILITY | O'CONNELL OIL ASSOCIATES INC | Hydrogen sulfide | 0.00 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | Toluene | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Toluene | 0.00 |
| OMG INC | Steel Partners Holdings | 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 |
| TURF CARE SUPPLY-HATFIELD PLANT | Platte River Equity | Lead compounds | 0.00 |
| ONYX SPECIALTY PAPERS INC. - WILLOW MILL | ONYX SPECIALTY PAPERS | Formic acid | 0.00 |
| MINTEQ/SPECIALTY MINERALS | Minerals Technologies Inc. | Copper | 0.00 |
| SONOCO PRODUCTS CO | Sonoco Products | Lead | 0.00 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | n-Hexane (Hexane) | 0.00 |
| CRANE & CO. INC. | Crane Co. | Polycyclic aromatic compounds | 0.00 |
| CRANE PIONEER MILL | Crane Co. | Polycyclic aromatic compounds | 0.00 |
| TURF CARE SUPPLY-HATFIELD PLANT | Platte River Equity | 2,4-D | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Cyclohexane | 0.00 |
| WESTFIELD ELECTROPLATING CO | WESTFIELD ELECTROPLATING CO | Cyanide compounds | 0.00 |
| RPM WOOD FINISHES GROUP INC. | RPM International | Methyl isobutyl ketone | 0.00 |
| CONSTRUCTION SERVICE LLC | CS-MA LLC | Lead | 0.00 |
| SOLENIS LLC | Platinum Equity | Formic acid | 0.00 |
| RANDOLPH PRODUCTS CO | RANDOLPH PRODUCTS CO | Toluene | 0.00 |
| APG NEW ENGLAND | CRH PLC | Lead compounds | 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 |
| SPECIALTY MINERALS INC | Minerals Technologies Inc. | Benzo[g,h,i]perylene | 0.00 |
| E INK CORP | E INK CORP | Toluene | 0.00 |
| APG NEW ENGLAND | CRH PLC | Mercury | 0.00 |
| U.S. DOD USAF WESTOVER ARB | U.S. Government | Xylene (mixed isomers) | 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 |
| TURF CARE SUPPLY-HATFIELD PLANT | Platte River Equity | N-Methyl-2-pyrrolidone | 0.00 |
| HAZEN PAPER CO | HAZEN PAPER CO | N-Methyl-2-pyrrolidone | 0.00 |
| SAINT GOBAIN CERAMIC MATERIALS | Saint-Gobain | Chromium compounds (except for chromite ore mined in the Transvaal Region of South Africa and the unreacted ore component of the chromite ore processing residue (COPR). COPR is the solid waste remaining after aqueous extraction of oxidized chromite ore that has been combined with soda ash and kiln roasted at approximately 2,000 F.) | 0.00 |