| SOLUTIA INC | Eastman Chemical | Formaldehyde | 344.00 |
| OMG INC | Steel Partners Holdings | Cobalt | 314.29 |
| PREFERE MELAMINES LLC | One Rock Capital Partners | Formaldehyde | 151.45 |
| IRWIN INDUSTRIAL TOOLS DBA LENOX TOOLS | Stanley Black & Decker | Chromium | 120.38 |
| PRATT & WHITNEY | RTX Corporation | Cobalt | 55.56 |
| ARCLIN SURFACES - EAST LONGMEADOW CO. | The Jordan Company | Formaldehyde | 39.71 |
| PARADIGM MANCHESTER INC | Pursuit Aerospace | Chromium | 38.62 |
| PARADIGM MANCHESTER INC | Pursuit Aerospace | Chromium | 37.62 |
| IRWIN INDUSTRIAL TOOLS DBA LENOX TOOLS | Stanley Black & Decker | Cobalt | 34.02 |
| PARADIGM MANCHESTER INC | Pursuit Aerospace | Chromium | 32.09 |
| KAMATICS CORP | Arcline Investment Management | Chromium | 30.17 |
| PRATT & WHITNEY | RTX Corporation | Chromium | 17.92 |
| OTIS SERVICE CENTER | Otis Worldwide Corporation | Chromium | 6.50 |
| HYDROFERA LLC | Essity | Formaldehyde | 6.15 |
| PARADIGM MANCHESTER INC | Pursuit Aerospace | Nickel | 3.98 |
| PARADIGM MANCHESTER INC | Pursuit Aerospace | Nickel | 3.87 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Chromium | 3.57 |
| PARADIGM MANCHESTER INC | Pursuit Aerospace | Nickel | 3.30 |
| DONCASTERS STORMS FORGE | Doncasters | Chromium | 3.23 |
| IRWIN INDUSTRIAL TOOLS DBA LENOX TOOLS | Stanley Black & Decker | Nickel | 2.01 |
| MACE ADHESIVES & COATINGS CO I NC | MACE ADHESIVES & COATINGS CO I NC | 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.) | 1.94 |
| PRATT & WHITNEY | RTX Corporation | Nickel | 1.85 |
| BI-QEM INC. | BI-QEM INC | Formaldehyde | 1.75 |
| CARDINAL HEALTH / KPR | Cardinal Health | Acrylic acid | 1.50 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Antimony compounds | 1.43 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Lead compounds | 1.25 |
| SOLENIS LLC | Platinum Equity | Epichlorohydrin | 0.88 |
| KAMATICS CORP | Arcline Investment Management | Nickel | 0.87 |
| DONCASTERS STORMS FORGE | Doncasters | Nickel | 0.72 |
| HAZEN PAPER CO | HAZEN PAPER CO | Certain glycol ethers | 0.67 |
| SOLUTIA INC | Eastman Chemical | Vinyl acetate | 0.56 |
| PALMER FOUNDRY INC | PALMER FOUNDRY INC | Diisocyanates | 0.36 |
| BARNES AEROSPACE WINDSOR DIV | Barnes Group | Nickel | 0.30 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Trichloroethylene | 0.24 |
| CONNECTICUT GALVANIZING CORP | CONNECTICUT GALVANIZING CORP | Lead | 0.17 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Nickel | 0.16 |
| CALLAWAY GOLF BALL OPERATIONS INC | Callaway Golf | Diisocyanates | 0.12 |
| 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.) | 0.10 |
| WHITCRAFT LLC | Pursuit Aerospace | Chromium | 0.08 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Dichloromethane (Methylene chloride) | 0.07 |
| ROGERS CORP - WOODSTOCK | Rogers Corp. | Diisocyanates | 0.06 |
| MACE ADHESIVES & COATINGS CO I NC | MACE ADHESIVES & COATINGS CO I NC | Diisocyanates | 0.05 |
| 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) | 0.04 |
| PREFERE MELAMINES LLC | One Rock Capital Partners | n-Butyl alcohol (1-Butanol) | 0.04 |
| SCAPA NA LLC | Schweitzer-Mauduit International | Ethylbenzene | 0.04 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | Ethylbenzene | 0.04 |
| HAZEN PAPER CO | HAZEN PAPER CO | n-Butyl alcohol (1-Butanol) | 0.04 |
| SMITH & WESSON INC. | Smith & Wesson | Lead compounds | 0.04 |
| CONNECTICUT GALVANIZING CORP | CONNECTICUT GALVANIZING CORP | Zinc compounds | 0.04 |
| TRELLEBORG COATED SYSTEMS US INC. | Trelleborg | N,N-Dimethylformamide | 0.03 |
| VIBRAM CORP | VIBRAM USA | Diisocyanates | 0.03 |
| RANDOLPH PRODUCTS CO | RANDOLPH PRODUCTS CO | Xylene (mixed isomers) | 0.03 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Ozone | 0.03 |
| COLT'S MANUFACTURING CO LLC | Colt CZ Group | Lead compounds | 0.02 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Ethylbenzene | 0.02 |
| WESTFIELD ELECTROPLATING CO | WESTFIELD ELECTROPLATING CO | Nitric acid | 0.02 |
| TTM PRINTED CIRCUIT GROUP - STAFFORD DIV | TTM Technologies | Formaldehyde | 0.02 |
| RPM WOOD FINISHES GROUP INC. | RPM International | Certain glycol ethers | 0.01 |
| OMG INC | Steel Partners Holdings | Lead | 0.01 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Diethanolamine | 0.01 |
| TAYLOR & FENN CO | TAYLOR & FENN CO | Lead | 0.01 |
| O'CONNELL OIL NORTHAMPTON FACILITY | O'CONNELL OIL ASSOCIATES INC | Benzene | 0.01 |
| WHITCRAFT LLC | Pursuit Aerospace | Nickel | 0.01 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | N,N-Dimethylformamide | 0.01 |
| SCAPA NA LLC | Schweitzer-Mauduit International | Xylene (mixed isomers) | 0.01 |
| RATHBONE PRECISION METALS INC | Calvi Holding | Nitric acid | 0.01 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Certain glycol ethers | 0.01 |
| HAR-CONN CHROME CO | HAR-CONN CHROME CO | Nitric acid | 0.01 |
| KAMATICS CORP | Arcline Investment Management | Copper | 0.01 |
| KAMATICS CORP | Arcline Investment Management | Nitric acid | 0.01 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | Xylene (mixed isomers) | 0.01 |
| ELEMENT MATERIALS TECHNOLOGY HARTFORD INC. | Temasek Holdings | Nitric acid | 0.00 |
| TURF CARE SUPPLY-HATFIELD PLANT | Platte River Equity | Manganese compounds | 0.00 |
| SIMONIZ USA INC. | Syndet Products | Certain glycol ethers | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Tetrachloroethylene | 0.00 |
| PRATT & WHITNEY | RTX Corporation | Nitric acid | 0.00 |
| DYNO NOBEL INC | Incitec Pivot | Lead compounds | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Xylene (mixed isomers) | 0.00 |
| SOLUTIA INC | Eastman Chemical | Methanol | 0.00 |
| TRIUMPH ENGINE CONTROL SYSTEMS LLC | Triumph Group | Lead compounds | 0.00 |
| PREFERE MELAMINES LLC | One Rock Capital Partners | Methanol | 0.00 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Zinc compounds | 0.00 |
| TILCON CONNECTICUT INC | CRH PLC | 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 |
| CS-MA LLC DBA CONSTRUCTION SERVICE | CS-MA LLC | Lead | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Ethylene glycol | 0.00 |
| SMITH & WESSON INC. | Smith & Wesson | Nitric acid | 0.00 |
| MUSTANG MOTORCYCLE PRODUCTS LLC | MAG INC | Styrene | 0.00 |
| TTM PRINTED CIRCUIT GROUP - STAFFORD DIV | TTM Technologies | Certain glycol ethers | 0.00 |
| FLEXCON CO INC. | FLEXCON HOLDINGS TRUST | Xylene (mixed isomers) | 0.00 |
| SMITH & WESSON INC. | Smith & Wesson | Copper | 0.00 |
| DUR-A-FLEX | Sherwin-Williams | Methyl methacrylate | 0.00 |
| SCAPA NA LLC | Schweitzer-Mauduit International | Toluene | 0.00 |
| O'CONNELL OIL NORTHAMPTON FACILITY | O'CONNELL OIL ASSOCIATES INC | Hydrogen sulfide | 0.00 |
| SONOCO PRODUCTS CO | Sonoco Products | Lead | 0.00 |
| CS-MA LLC DBA CONSTRUCTION SERVICE | CS-MA LLC | Lead | 0.00 |
| RANDOLPH PRODUCTS CO | RANDOLPH PRODUCTS CO | Toluene | 0.00 |
| FLEXCON CO INC. | FLEXCON HOLDINGS TRUST | Vinyl acetate | 0.00 |
| SYN-MAR PRODUCTS INC. | SYN-MAR PRODUCTS INC. | Styrene | 0.00 |
| JAMES AUSTIN CO | Centerbridge Partners | Methanol | 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 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Toluene | 0.00 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | Toluene | 0.00 |
| OLDCASTLE PRECAST INC | CRH PLC | Lead compounds | 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 |
| FLEXCON CO INC. | FLEXCON HOLDINGS TRUST | Toluene | 0.00 |
| DYNO NOBEL INC | Incitec Pivot | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | n-Butyl alcohol (1-Butanol) | 0.00 |
| TURF CARE SUPPLY-HATFIELD PLANT | Platte River Equity | Lead compounds | 0.00 |
| IRWIN INDUSTRIAL TOOLS DBA LENOX TOOLS | Stanley Black & Decker | Lead | 0.00 |
| TTM PRINTED CIRCUIT GROUP - STAFFORD DIV | TTM Technologies | Lead compounds | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Formic acid | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Methanol | 0.00 |
| DAUPHINAIS CONCRETE | DAUPHINAIS CONCRETE INC | Lead | 0.00 |
| ITW SHINEMARK | Illinois Tool Works | Toluene | 0.00 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | n-Hexane (Hexane) | 0.00 |
| SHURTAPE TECHNOLOGIES LLC | SHURTAPE TECHNOLOGIES LLC | n-Hexane (Hexane) | 0.00 |
| TRELLEBORG COATED SYSTEMS US INC. | Trelleborg | Toluene | 0.00 |
| SOLENIS LLC | Platinum Equity | Formic acid | 0.00 |
| NUTMEG CHROME CORP | NUTMEG CHROME CORP | Lead compounds | 0.00 |
| SHURTAPE TECHNOLOGIES LLC | SHURTAPE TECHNOLOGIES LLC | Toluene | 0.00 |
| TURF CARE SUPPLY-HATFIELD PLANT | Platte River Equity | 2,4-D | 0.00 |
| WESTFIELD ELECTROPLATING CO | WESTFIELD ELECTROPLATING CO | Cyanide compounds | 0.00 |
| ADVANCED ADHESIVE SYSTEMS INC | ADVANCED ADHESIVE SYSTEMS INC | Methyl methacrylate | 0.00 |
| CONSTRUCTION SERVICE LLC | CS-MA LLC | Lead | 0.00 |
| RPM WOOD FINISHES GROUP INC. | RPM International | Methyl isobutyl ketone | 0.00 |
| O'CONNELL OIL NORTHAMPTON FACILITY | O'CONNELL OIL ASSOCIATES INC | Polycyclic aromatic compounds | 0.00 |
| FLEXCON CO INC. | FLEXCON HOLDINGS TRUST | n-Hexane (Hexane) | 0.00 |
| CLEANPART EAST | Mitsubishi Chemical | Nitric acid | 0.00 |
| TTM PRINTED CIRCUIT GROUP - STAFFORD DIV | TTM Technologies | Nitric acid | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Methyl isobutyl ketone | 0.00 |
| U.S. DOD USAF WESTOVER ARB | U.S. Government | Xylene (mixed isomers) | 0.00 |
| E INK CORP | E INK CORP | Toluene | 0.00 |
| ENSIGN-BICKFORD AEROSPACE & DEFENSE CO | ENSIGN-BICKFORD INDUSTRIES INC | Lead compounds | 0.00 |
| ORAFOL AMERICAS INC | ORAFOL INTERNATIONAL | Toluene | 0.00 |
| TTM PRINTED CIRCUIT GROUP | TTM Technologies | Lead | 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 |
| 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 |
| ELECTRIC MOTION CO INC. | Hubbell | Copper | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | tert-Butyl alcohol (tert-Butanol) | 0.00 |
| DAUPHINAIS CONCRETE | DAUPHINAIS CONCRETE INC | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 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 |
| 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 |
| 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 |
| ROGERS CORP - WOODSTOCK | Rogers Corp. | N-Methyl-2-pyrrolidone | 0.00 |