| OMG INC | Steel Partners Holdings | Cobalt | 707.46 |
| BETE FOG NOZZLE INC. | BETE FOG NOZZLE INC. | Chromium | 156.92 |
| BI-QEM INC. | BI-QEM INC | Formaldehyde | 47.44 |
| BETE FOG NOZZLE INC. | BETE FOG NOZZLE INC. | Nickel | 12.99 |
| SOLUTIA INC | Eastman Chemical | Formaldehyde | 10.84 |
| PREFERE MELAMINES LLC | One Rock Capital Partners | Formaldehyde | 6.80 |
| IRWIN INDUSTRIAL TOOLS DBA LENOX TOOLS | Stanley Black & Decker | Chromium | 4.59 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Chromium | 2.66 |
| ARCLIN SURFACES - EAST LONGMEADOW CO. | The Jordan Company | Formaldehyde | 2.32 |
| IRWIN INDUSTRIAL TOOLS DBA LENOX TOOLS | Stanley Black & Decker | Cobalt | 1.30 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Antimony compounds | 1.06 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Lead compounds | 0.93 |
| SOLENIS LLC | Platinum Equity | Epichlorohydrin | 0.73 |
| HAZEN PAPER CO | HAZEN PAPER CO | Certain glycol ethers | 0.69 |
| CARDINAL HEALTH / KPR | Cardinal Health | Acrylic acid | 0.42 |
| DONCASTERS STORMS FORGE | Doncasters | Chromium | 0.24 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | Ethylbenzene | 0.17 |
| CALLAWAY GOLF BALL OPERATIONS INC | Callaway Golf | Diisocyanates | 0.16 |
| WHIPPS INC | WHIPPS INC | Chromium | 0.13 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Nickel | 0.12 |
| WESTFIELD ELECTROPLATING CO | WESTFIELD ELECTROPLATING CO | Nitric acid | 0.11 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Benzene | 0.11 |
| O'CONNELL OIL NORTHAMPTON FACILITY | O'CONNELL OIL ASSOCIATES INC | Benzene | 0.09 |
| RPM WOOD FINISHES GROUP INC. | RPM International | Certain glycol ethers | 0.08 |
| IRWIN INDUSTRIAL TOOLS DBA LENOX TOOLS | Stanley Black & Decker | Nickel | 0.08 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Naphthalene | 0.07 |
| PALMER FOUNDRY INC | PALMER FOUNDRY INC | Diisocyanates | 0.06 |
| DONCASTERS STORMS FORGE | Doncasters | Nickel | 0.05 |
| TURF CARE SUPPLY-HATFIELD PLANT | Platte River Equity | Manganese compounds | 0.05 |
| HAZEN PAPER CO | HAZEN PAPER CO | n-Butyl alcohol (1-Butanol) | 0.04 |
| HART & COOLEY LLC | Egeria Investments | Chromium | 0.04 |
| OMG INC | Steel Partners Holdings | Lead | 0.03 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | Xylene (mixed isomers) | 0.02 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Ozone | 0.02 |
| BETE FOG NOZZLE INC. | BETE FOG NOZZLE INC. | Copper | 0.01 |
| SOLUTIA INC | Eastman Chemical | Vinyl acetate | 0.01 |
| TRELLEBORG COATED SYSTEMS US INC. | Trelleborg | N,N-Dimethylformamide | 0.01 |
| HART & COOLEY LLC | Egeria Investments | Nickel | 0.01 |
| 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 |
| WHIPPS INC | WHIPPS INC | Nickel | 0.01 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Trichloroethylene | 0.01 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Ethylbenzene | 0.01 |
| O'CONNELL OIL NORTHAMPTON FACILITY | O'CONNELL OIL ASSOCIATES INC | Hydrogen sulfide | 0.01 |
| RANDOLPH PRODUCTS CO | RANDOLPH PRODUCTS CO | Xylene (mixed isomers) | 0.01 |
| SMITH & WESSON INC. | Smith & Wesson | Lead compounds | 0.01 |
| 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 |
| TURF CARE SUPPLY-HATFIELD PLANT | Platte River Equity | Lead compounds | 0.00 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | Toluene | 0.00 |
| PEXCO LLC | Odyssey Investment Partners | Di(2-ethylhexyl) phthalate | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Xylene (mixed isomers) | 0.00 |
| MARMON INDUSTRIAL ENERGY & INFRASTRUCTURE GROUP | Berkshire Hathaway | Zinc compounds | 0.00 |
| O'CONNELL OIL NORTHAMPTON FACILITY | O'CONNELL OIL ASSOCIATES INC | Polycyclic aromatic 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 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Ethylbenzene | 0.00 |
| TURF CARE SUPPLY-HATFIELD PLANT | Platte River Equity | 2,4-D | 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 |
| ADHESIVE APPLICATIONS INC. - O'NEILL ST EASTHAMPTON | ADHESIVES APPLICATIONS INC | n-Hexane (Hexane) | 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 |
| WESTFIELD ELECTROPLATING CO | WESTFIELD ELECTROPLATING CO | Cyanide compounds | 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 |
| SONOCO PRODUCTS CO | Sonoco Products | Lead | 0.00 |
| RPM WOOD FINISHES GROUP INC. | RPM International | Methyl isobutyl ketone | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | N,N-Dimethylformamide | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Certain glycol ethers | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Tetrachloroethylene | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Polycyclic aromatic compounds | 0.00 |
| MUSTANG MOTORCYCLE PRODUCTS LLC | MAG INC | Styrene | 0.00 |
| SOLUTIA INC | Eastman Chemical | Methanol | 0.00 |
| CS-MA LLC DBA CONSTRUCTION SERVICE | CS-MA LLC | Lead | 0.00 |
| PREFERE MELAMINES LLC | One Rock Capital Partners | Methanol | 0.00 |
| SMITH & WESSON INC. | Smith & Wesson | Nitric acid | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Xylene (mixed isomers) | 0.00 |
| SOLENIS LLC | Platinum Equity | Formic 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 |
| RANDOLPH PRODUCTS CO | RANDOLPH PRODUCTS CO | Toluene | 0.00 |
| CS-MA LLC DBA CONSTRUCTION SERVICE | CS-MA LLC | Lead | 0.00 |
| TRELLEBORG COATED SYSTEMS US INC. | Trelleborg | Toluene | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Diethanolamine | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Ethylene glycol | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Toluene | 0.00 |
| HART & COOLEY LLC | Egeria Investments | Manganese | 0.00 |
| E INK CORP | E INK CORP | Toluene | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Toluene | 0.00 |
| WHIPPS INC | WHIPPS INC | Manganese | 0.00 |
| CRANE PIONEER MILL | Crane Co. | Polycyclic aromatic compounds | 0.00 |
| JAMES AUSTIN CO | Centerbridge Partners | Methanol | 0.00 |
| CRANE & CO. INC. | Crane Co. | Polycyclic aromatic compounds | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | n-Butyl alcohol (1-Butanol) | 0.00 |
| O'CONNELL OIL CO MERRILL ROAD FACILITY | O'CONNELL OIL ASSOCIATES INC | Cyclohexane | 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 |
| CONSTRUCTION SERVICE LLC | CS-MA LLC | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| TTM PRINTED CIRCUIT GROUP | TTM Technologies | Lead | 0.00 |
| ASTRO CHEMICALS INC | ASTRO CHEMICALS INC | Methyl isobutyl ketone | 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 |