| OMG INC | Steel Partners Holdings | Cobalt | 671.46 |
| BETE FOG NOZZLE INC. | BETE FOG NOZZLE INC. | Chromium | 118.43 |
| ONYX SPECIALTY PAPERS INC. - WILLOW MILL | ONYX SPECIALTY PAPERS | Formaldehyde | 61.02 |
| KAMATICS CORP | Arcline Investment Management | Chromium | 22.16 |
| BI-QEM INC. | BI-QEM INC | Formaldehyde | 19.01 |
| BETE FOG NOZZLE INC. | BETE FOG NOZZLE INC. | Nickel | 9.80 |
| SOLUTIA INC | Eastman Chemical | Formaldehyde | 8.11 |
| OTIS SERVICE CENTER | Otis Worldwide Corporation | Chromium | 5.88 |
| PREFERE MELAMINES LLC | One Rock Capital Partners | Formaldehyde | 5.76 |
| IRWIN INDUSTRIAL TOOLS DBA LENOX TOOLS | Stanley Black & Decker | Chromium | 3.86 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Chromium | 3.12 |
| ARCLIN SURFACES - EAST LONGMEADOW CO. | The Jordan Company | Formaldehyde | 1.77 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Antimony compounds | 1.25 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Lead compounds | 1.10 |
| IRWIN INDUSTRIAL TOOLS DBA LENOX TOOLS | Stanley Black & Decker | Cobalt | 1.09 |
| KAMATICS CORP | Arcline Investment Management | Nickel | 0.64 |
| SOLENIS LLC | Platinum Equity | Epichlorohydrin | 0.57 |
| HAZEN PAPER CO | HAZEN PAPER CO | Certain glycol ethers | 0.41 |
| CARDINAL HEALTH / KPR | Cardinal Health | Acrylic acid | 0.35 |
| WESTFIELD ELECTROPLATING CO | WESTFIELD ELECTROPLATING CO | Nitric acid | 0.26 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | Ethylbenzene | 0.21 |
| RPM WOOD FINISHES GROUP INC. | RPM International | Certain glycol ethers | 0.17 |
| DYNO NOBEL INC | Incitec Pivot | 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.) | 0.17 |
| DONCASTERS STORMS FORGE | Doncasters | Chromium | 0.14 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Nickel | 0.14 |
| CALLAWAY GOLF BALL OPERATIONS INC | Callaway Golf | Diisocyanates | 0.13 |
| BARNES AEROSPACE WINDSOR DIV | Barnes Group | Nickel | 0.11 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Benzene | 0.11 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Naphthalene | 0.07 |
| PALMER FOUNDRY INC | PALMER FOUNDRY INC | Diisocyanates | 0.07 |
| IRWIN INDUSTRIAL TOOLS DBA LENOX TOOLS | Stanley Black & Decker | Nickel | 0.06 |
| O'CONNELL OIL NORTHAMPTON FACILITY | O'CONNELL OIL ASSOCIATES INC | Benzene | 0.06 |
| SCAPA NA LLC | Schweitzer-Mauduit International | Ethylbenzene | 0.03 |
| DONCASTERS STORMS FORGE | Doncasters | Nickel | 0.03 |
| TURF CARE SUPPLY-HATFIELD PLANT | Platte River Equity | Manganese compounds | 0.03 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | Xylene (mixed isomers) | 0.03 |
| OMG INC | Steel Partners Holdings | Lead | 0.03 |
| HART & COOLEY LLC | Egeria Investments | Chromium | 0.03 |
| HAZEN PAPER CO | HAZEN PAPER CO | n-Butyl alcohol (1-Butanol) | 0.02 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Ozone | 0.02 |
| TRELLEBORG COATED SYSTEMS US INC. | Trelleborg | N,N-Dimethylformamide | 0.02 |
| AHLSTROM-MUNKSJO NONWOVENS LLC | Bain Capital | 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) | 0.01 |
| SOLUTIA INC | Eastman Chemical | Vinyl acetate | 0.01 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Trichloroethylene | 0.01 |
| BETE FOG NOZZLE INC. | BETE FOG NOZZLE INC. | Copper | 0.01 |
| HART & COOLEY LLC | Egeria Investments | Nickel | 0.01 |
| TAYLOR & FENN CO | TAYLOR & FENN CO | Lead | 0.01 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Ethylbenzene | 0.01 |
| TTM PRINTED CIRCUIT GROUP - STAFFORD DIV | TTM Technologies | Formaldehyde | 0.01 |
| SCAPA NA LLC | Schweitzer-Mauduit International | Xylene (mixed isomers) | 0.01 |
| DYNO NOBEL INC | Incitec Pivot | Lead compounds | 0.00 |
| SMITH & WESSON INC. | Smith & Wesson | Lead compounds | 0.00 |
| RANDOLPH PRODUCTS CO | RANDOLPH PRODUCTS CO | Xylene (mixed isomers) | 0.00 |
| KAMATICS CORP | Arcline Investment Management | Nitric acid | 0.00 |
| KAMATICS CORP | Arcline Investment Management | Copper | 0.00 |
| O'CONNELL OIL NORTHAMPTON FACILITY | O'CONNELL OIL ASSOCIATES INC | Hydrogen sulfide | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Dichloromethane (Methylene chloride) | 0.00 |
| PREFERE MELAMINES LLC | One Rock Capital Partners | n-Butyl alcohol (1-Butanol) | 0.00 |
| RATHBONE PRECISION METALS INC | Calvi Holding | Nitric acid | 0.00 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | Toluene | 0.00 |
| ELEMENT MATERIALS TECHNOLOGY HARTFORD INC. | Temasek Holdings | Nitric acid | 0.00 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Zinc compounds | 0.00 |
| TURF CARE SUPPLY-HATFIELD PLANT | Platte River Equity | Lead compounds | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES 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 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Ethylbenzene | 0.00 |
| WESTFIELD ELECTROPLATING CO | WESTFIELD ELECTROPLATING CO | Cyanide compounds | 0.00 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | n-Hexane (Hexane) | 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 |
| SCAPA NA LLC | Schweitzer-Mauduit International | Toluene | 0.00 |
| RPM WOOD FINISHES GROUP INC. | RPM International | Methyl isobutyl ketone | 0.00 |
| TURF CARE SUPPLY-HATFIELD PLANT | Platte River Equity | 2,4-D | 0.00 |
| O'CONNELL OIL NORTHAMPTON FACILITY | O'CONNELL OIL ASSOCIATES INC | Polycyclic aromatic compounds | 0.00 |
| ALGONQUIN POWER WINDSOR LOCKS LLC | Algonquin Power & Utilities | 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 |
| DYNO NOBEL INC | Incitec Pivot | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| TTM PRINTED CIRCUIT GROUP - STAFFORD DIV | TTM Technologies | Certain glycol ethers | 0.00 |
| CONSTRUCTION SERVICE LLC | CS-MA LLC | Lead | 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 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | N,N-Dimethylformamide | 0.00 |
| SHURTAPE TECHNOLOGIES LLC | SHURTAPE TECHNOLOGIES LLC | n-Hexane (Hexane) | 0.00 |
| MUSTANG MOTORCYCLE PRODUCTS LLC | MAG INC | Styrene | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Tetrachloroethylene | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Certain glycol ethers | 0.00 |
| TTM PRINTED CIRCUIT GROUP - STAFFORD DIV | TTM Technologies | Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) | 0.00 |
| SHURTAPE TECHNOLOGIES LLC | SHURTAPE TECHNOLOGIES LLC | Toluene | 0.00 |
| SONOCO PRODUCTS CO | Sonoco Products | Lead | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Xylene (mixed isomers) | 0.00 |
| PREFERE MELAMINES LLC | One Rock Capital Partners | Methanol | 0.00 |
| SOLUTIA INC | Eastman Chemical | Methanol | 0.00 |
| ITW SHINEMARK | Illinois Tool Works | Toluene | 0.00 |
| SMITH & WESSON INC. | Smith & Wesson | Nitric acid | 0.00 |
| SMITH & WESSON INC. | Smith & Wesson | Copper | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Hydrogen sulfide | 0.00 |
| CS-MA LLC DBA CONSTRUCTION SERVICE | CS-MA LLC | Lead | 0.00 |
| SOLENIS LLC | Platinum Equity | Formic acid | 0.00 |
| TTM PRINTED CIRCUIT GROUP - STAFFORD DIV | TTM Technologies | Lead compounds | 0.00 |
| TRELLEBORG COATED SYSTEMS US INC. | Trelleborg | Toluene | 0.00 |
| SYN-MAR PRODUCTS INC. | SYN-MAR PRODUCTS INC. | Styrene | 0.00 |
| CS-MA LLC DBA CONSTRUCTION SERVICE | CS-MA LLC | Lead | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Ethylene glycol | 0.00 |
| RANDOLPH PRODUCTS CO | RANDOLPH PRODUCTS CO | Toluene | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Diethanolamine | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Toluene | 0.00 |
| ENSIGN-BICKFORD AEROSPACE & DEFENSE CO | ENSIGN-BICKFORD INDUSTRIES INC | Lead compounds | 0.00 |
| ONYX SPECIALTY PAPERS INC. - WILLOW MILL | ONYX SPECIALTY PAPERS | Formic acid | 0.00 |
| HART & COOLEY LLC | Egeria Investments | Manganese | 0.00 |
| E INK CORP | E INK CORP | Toluene | 0.00 |
| CRANE PIONEER MILL | Crane Co. | Polycyclic aromatic compounds | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Toluene | 0.00 |
| CRANE & CO. INC. | Crane Co. | Polycyclic aromatic compounds | 0.00 |
| JAMES AUSTIN CO | Centerbridge Partners | Methanol | 0.00 |
| TTM PRINTED CIRCUIT GROUP - STAFFORD DIV | TTM Technologies | Nitric acid | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Cyclohexane | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | n-Butyl alcohol (1-Butanol) | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Formic acid | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Methanol | 0.00 |
| IRWIN INDUSTRIAL TOOLS DBA LENOX TOOLS | Stanley Black & Decker | Lead | 0.00 |
| U.S. DOD USAF WESTOVER ARB | U.S. Government | Xylene (mixed isomers) | 0.00 |
| ELECTRIC MOTION CO INC. | Hubbell | Copper | 0.00 |
| TTM PRINTED CIRCUIT GROUP | TTM Technologies | Lead | 0.00 |
| CONSTRUCTION SERVICE LLC | CS-MA LLC | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| TTM PRINTED CIRCUIT GROUP MULT ILAYER STAFFORD DIV | TTM Technologies | Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Methyl isobutyl ketone | 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 |
| CS-MA LLC DBA CONSTRUCTION SERVICE | CS-MA LLC | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| CS-MA LLC DBA CONSTRUCTION SERVICE | CS-MA LLC | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 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 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | tert-Butyl alcohol (tert-Butanol) | 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 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | N-Methyl-2-pyrrolidone | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Nonylphenol Ethoxylates | 0.00 |
| SOLUTIA INC | Eastman Chemical | Butyraldehyde | 0.00 |