| ISOMEDIX OPERATIONS INC. | STERIS | Ethylene oxide | 48.44 |
| TECOMET | Charlesbank Capital Partners | Cobalt | 44.20 |
| HITCHINER COUNTERGRAVITY CAST OPERATIONS (VCO/DCO/MCT) | HITCHINER MANUFACTURING CO INC | Cobalt | 28.57 |
| CHROMA COLOR CORP | Arsenal Capital Partners | 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.) | 28.17 |
| PROTO LABS INC. | PROTO LABS INC | Chromium | 23.38 |
| PROTO LABS INC | PROTO LABS INC | Chromium | 23.38 |
| TECOMET | Charlesbank Capital Partners | Chromium | 11.27 |
| AVIENT COLORANTS USA LLC - HOLDEN FACILITY | Avient Corporation | 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.) | 8.73 |
| BOYD CORP INC. | Goldman Sachs | Trichloroethylene | 7.78 |
| INNER-TITE CORP. | INNER-TITE CORP. | Chromium | 4.93 |
| MEXICHEM SPECIALTY COMPOUNDS | Orbia Advance Corporation | Antimony compounds | 4.42 |
| HITCHINER COUNTERGRAVITY CAST OPERATIONS (VCO/DCO/MCT) | HITCHINER MANUFACTURING CO INC | Nickel | 4.27 |
| PARKER HANNIFIN CORP CHOMERICS DIV | Parker-Hannifin | Nickel compounds | 3.67 |
| PACE INDUSTRIES - CAMBRIDGE DIV | Pace Industries | Lead | 3.05 |
| KOMTEK FORGE LLC | Crawford United | Chromium | 2.82 |
| METSO AUTOMATION USA INC | Valmet Oyj | Chromium | 2.10 |
| ADVANCE COATINGS CO | ADVANCE COATINGS CO | Dicyclopentadiene | 1.61 |
| S&E SPECIALTY POLYMERS LLC | Nautic Partners | Antimony compounds | 1.59 |
| ADVANCE COATINGS CO | ADVANCE COATINGS CO | Maleic anhydride | 1.51 |
| KOMTEK FORGE LLC | Crawford United | Nickel | 1.41 |
| LUBRIZOL ADVANCED MATERIALS INC | Berkshire Hathaway | Diisocyanates | 1.39 |
| HITCHINER COUNTERGRAVITY CAST OPERATIONS (VCO/DCO/MCT) | HITCHINER MANUFACTURING CO INC | Chromium | 1.32 |
| CHEMGENES CORP | CHEMGENES CORP | Chloroform | 1.12 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | Diisocyanates | 0.35 |
| COORSTEK IGNITER PRODUCTS | COORSTEK INC | Nickel | 0.32 |
| AMPHENOL APC INC | Amphenol | Formaldehyde | 0.31 |
| NYACOL NANOTECHNOLOGIES INC | NYACOL NANOTECHNOLOGIES INC | Antimony compounds | 0.30 |
| TECOMET | Charlesbank Capital Partners | Nickel | 0.22 |
| WYMAN-GORDON CO | Berkshire Hathaway | Nickel | 0.22 |
| OMNOVA SOLUTIONS | Synthomer | Acrylonitrile | 0.22 |
| PACE INDUSTRIES - CAMBRIDGE DIV | Pace Industries | Zinc compounds | 0.21 |
| ENTEGRIS INC | Entegris | Di(2-ethylhexyl) phthalate | 0.20 |
| NEWARK AMERICA | Greif Inc. | Peracetic acid | 0.20 |
| WYMAN-GORDON CO | Berkshire Hathaway | Chromium | 0.17 |
| VERANOVA L.P. | Altaris Capital Partners | Dichloromethane (Methylene chloride) | 0.13 |
| METSO AUTOMATION USA INC | Valmet Oyj | Nickel | 0.08 |
| S&E SPECIALTY POLYMERS LLC | Nautic Partners | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.07 |
| HOLCIM - NER INC. | Holcim Group | Polycyclic aromatic compounds | 0.05 |
| PHOTOFABRICATION ENGINEERING I NC | THE PARTNER COS LLC | Hydrogen fluoride (Hydrofluoric acid) | 0.05 |
| WYMAN-GORDON CO | Berkshire Hathaway | Nickel | 0.04 |
| COLT REFINING INC | COLT REFINING INC | Lead | 0.04 |
| BENCHMARK ELECTRONICS NH DIV | Benchmark Electronics | Lead | 0.04 |
| ALLCOAT TECHNOLOGY INC | ALLCOAT TECHNOLOGY INC | Diisocyanates | 0.03 |
| ANALOG DEVICES INC/WILMINGTON MANUFACTURING | Analog Devices Inc. | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.02 |
| INTERNATIONAL RECTIFIER HIREL PRODUCTS INC. | Infineon Technologies | Lead | 0.02 |
| AVCARB MATERIAL SOLUTIONS | Arsenal Capital Partners | Hydrogen cyanide | 0.02 |
| OMNOVA SOLUTIONS | Synthomer | Butyl acrylate | 0.02 |
| VIBRAM CORP | VIBRAM USA | Diisocyanates | 0.02 |
| PANDOLF PERKINS CO | EH PERKINS CONSTRUCTION INC | Polycyclic aromatic compounds | 0.02 |
| MAJILITE MANUFACTURING INC | MERIDIAN INDUSTRIES INC | N,N-Dimethylformamide | 0.02 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | Toluene diisocyanate (mixed isomers) | 0.01 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | Antimony compounds | 0.01 |
| SPECIALTY MATERIALS INC. | Global Materials | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.01 |
| PHOTOFABRICATION ENGINEERING I NC | THE PARTNER COS LLC | Nitric acid | 0.01 |
| ROHM & HAAS ELECTRONIC MATERIALS LLC | DuPont de Nemours | Formaldehyde | 0.01 |
| PARKER HANNIFIN CORP CHOMERICS DIV | Parker-Hannifin | Copper | 0.01 |
| HARCROS CHEMICALS INC | Harcros Chemicals | Nitric acid | 0.01 |
| EMD MILLIPORE CORP | Merck KGaA (EMD) | Dichloromethane (Methylene chloride) | 0.01 |
| NITTO DENKO AVECIA INC. | Nitto Denko | Acetonitrile | 0.01 |
| VERANOVA L.P. | Altaris Capital Partners | Methyl tert-butyl ether | 0.01 |
| HIGHLINE WARREN LLC | Pritzker Group | Methanol | 0.01 |
| MEXICHEM SPECIALTY COMPOUNDS | Orbia Advance Corporation | Lead compounds | 0.01 |
| PACE INDUSTRIES - CAMBRIDGE DIV | Pace Industries | Copper | 0.01 |
| ALLCOAT TECHNOLOGY INC | ALLCOAT TECHNOLOGY INC | Toluene diisocyanate (mixed isomers) | 0.01 |
| COVESTRO LLC | Covestro | Triethylamine | 0.01 |
| MEXICHEM SPECIALTY COMPOUNDS | Orbia Advance Corporation | Zinc compounds | 0.01 |
| SAINT-GOBAIN ABRASIVES & SAINT -GOBAIN CERAMICS & PLASTICS | Saint-Gobain | Lead compounds | 0.01 |
| NITTO DENKO AVECIA INC. | Nitto Denko | Pyridine | 0.01 |
| ANALOG DEVICES INC/WILMINGTON MANUFACTURING | Analog Devices Inc. | Hydrogen fluoride (Hydrofluoric acid) | 0.01 |
| SEAMAN PAPER CO. OF MASSACHUSETTS INC. | SEAMAN PAPER CO. OF MASSACHUSETTS INC. | Polycyclic aromatic compounds | 0.01 |
| IDEAL TAPE CO | American Biltrite | Toluene | 0.01 |
| TEKNOR APEX ELASTOMERS INC. | TEKNOR APEX | Zinc compounds | 0.01 |
| HOLLINGSWORTH & VOSE CO WEST GROTON | HOLLINGSWORTH & VOSE 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 |
| ADVANCE COATINGS CO | ADVANCE COATINGS CO | Phthalic anhydride | 0.00 |
| BRADFORD INDUSTRIES | Wembly Enterprises | N,N-Dimethylformamide | 0.00 |
| SAINT-GOBAIN ABRASIVES & SAINT -GOBAIN CERAMICS & PLASTICS | Saint-Gobain | Phenol | 0.00 |
| AMPHENOL APC INC | Amphenol | Certain glycol ethers | 0.00 |
| SAINT-GOBAIN ABRASIVES & SAINT -GOBAIN CERAMICS & PLASTICS | Saint-Gobain | 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 |
| AMPHENOL APC INC | Amphenol | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.00 |
| S&E SPECIALTY POLYMERS LLC | Nautic Partners | Lead | 0.00 |
| HAARTZ CORP | HAARTZ CORP | o-Xylene | 0.00 |
| OCEAN STATE POWER | LS Power | 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 |
| S&E SPECIALTY POLYMERS LLC | Nautic Partners | Zinc compounds | 0.00 |
| UNIVAR SOLUTIONS USA INC. - TEWKSBURY MA | Apollo Global Management | N,N-Dimethylformamide | 0.00 |
| DAV-TECH PLATING INC. | DAV-TECH PLATING INC. | Nitric acid | 0.00 |
| CIRCUIT CONNECT INC | Infinitum | 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 |
| US PACK INC | US PACK INC | 1,2,4-Trimethylbenzene | 0.00 |
| ADVANCE COATINGS CO | ADVANCE COATINGS CO | Styrene | 0.00 |
| NISSHA METALLIZING SOLUTIONS | NISSHA METALLIZING SOLUTIONS | Aluminum (fume or dust) | 0.00 |
| BRONZE CRAFT CORP | BRONZE CRAFT CORP | Copper | 0.00 |
| EDWARDS VACUUM LLC | Atlas Copco | Lead | 0.00 |
| AMERICAN SUPERCONDUCTOR | American Superconductor Corp. | Lead compounds | 0.00 |
| STRAUMANN MANUFACTURING INC | STRAUMANN MANUFACTURING INC | n-Hexane (Hexane) | 0.00 |
| JG MACLELLAN CONCRETE CO INC | JG MACLELLAN CONCRETE CO INC | Lead compounds | 0.00 |
| MORGAN ADVANCED CERAMICS INC | Morgan Advanced Materials | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.00 |
| PARKER HANNIFIN CORP CHOMERICS DIV | Parker-Hannifin | Silver compounds | 0.00 |
| HOLDEN TRAP ROCK | MA BROKEN STONE CO | Polycyclic aromatic compounds | 0.00 |
| ICP CONSTRUCTION | CPC HOLDING LLC | Ethylene glycol | 0.00 |
| LEWCOTT CORP D/B/A BARRDAY COMPOSITE SOLUTIONS | LEWCOTT CORP D/B/A BARRDAY COMPOSITE SOLUTIONS | Formaldehyde | 0.00 |
| COVESTRO LLC | Covestro | Diisocyanates | 0.00 |
| BROX INDUSTRIES INC | Brox Industries | Lead | 0.00 |
| BENEVENTO SAND & STONE CORP | BENEVENTO SAND & STONE CORP | Polycyclic aromatic compounds | 0.00 |
| SAEILO ENTERPRISES | SAEILO ENTERPRISES INC | Lead | 0.00 |
| ANALOG DEVICES INC/WILMINGTON MANUFACTURING | Analog Devices Inc. | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.00 |
| NYACOL NANOTECHNOLOGIES INC | NYACOL NANOTECHNOLOGIES INC | Lead compounds | 0.00 |
| NEWARK AMERICA | Greif Inc. | Lead | 0.00 |
| WORTHEN INDUSTRIES | Worthen Industries | Toluene | 0.00 |
| INNER-TITE CORP. | INNER-TITE CORP. | Lead | 0.00 |
| BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION | BAE Systems | Lead | 0.00 |
| JG MACLELLAN CONCRETE CO INC | JG MACLELLAN CONCRETE CO INC | Lead compounds | 0.00 |
| COVESTRO LLC | Covestro | Toluene-2,4-diisocyanate | 0.00 |
| SAINT-GOBAIN ABRASIVES & SAINT -GOBAIN CERAMICS & PLASTICS | Saint-Gobain | Ethylene glycol | 0.00 |
| FLEXCON CO INC. | FLEXCON HOLDINGS TRUST | Xylene (mixed isomers) | 0.00 |
| IDEAL TAPE CO | American Biltrite | n-Hexane (Hexane) | 0.00 |
| VICOR CORP | Vicor Corp. | Copper | 0.00 |
| TRESCA BROTHERS SAND & GRAVEL | TRESCA BROTHERS SAND & GRAVEL | Lead | 0.00 |
| MARMON UTILITY LLC | Berkshire Hathaway | Copper | 0.00 |
| BENJAMIN MOORE & CO-MILFORD | Berkshire Hathaway | Zinc compounds | 0.00 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | N,N-Dimethylformamide | 0.00 |
| OMNOVA SOLUTIONS | Synthomer | Acrylic acid | 0.00 |
| TECOMET | Charlesbank Capital Partners | Manganese | 0.00 |
| MATEP LLC | Longwood Energy Partners | 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 |
| CHROMA COLOR CORP | Arsenal Capital Partners | Zinc compounds | 0.00 |
| OMNOVA SOLUTIONS | Synthomer | Ethyl acrylate | 0.00 |
| NYACOL NANOTECHNOLOGIES INC | NYACOL NANOTECHNOLOGIES INC | Nitric acid | 0.00 |
| CHEMGENES CORP | CHEMGENES CORP | Acetonitrile | 0.00 |
| SHIELD PACKAGING CO INC | Shield Packaging Co. | Certain glycol ethers | 0.00 |
| FLEXCON CO INC. | FLEXCON HOLDINGS TRUST | Vinyl acetate | 0.00 |
| AMPHENOL APC INC | Amphenol | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.00 |
| HOLCIM - NER INC. | Holcim Group | Lead compounds | 0.00 |
| US PACK INC | US PACK INC | Ethylene glycol | 0.00 |
| CAMGER COATINGS SYSTEMS INC | CAMGER COATINGS SYSTEMS INC | Xylene (mixed isomers) | 0.00 |
| AMPHENOL APC INC | Amphenol | Nitric acid | 0.00 |
| RAYTHEON CO | RTX Corporation | Lead | 0.00 |
| ADVANCE COATINGS CO | ADVANCE COATINGS CO | Methyl methacrylate | 0.00 |
| GRANITE STATE CONCRETE CO INC WESTFORD | JG MACLELLAN CONCRETE CO INC | Lead compounds | 0.00 |
| COLT REFINING INC | COLT REFINING INC | Copper | 0.00 |
| INTERVALA LLC | Intervala | Lead | 0.00 |
| CIRTRONICS CORP | CIRTRONICS CORP | Lead | 0.00 |
| FLEXCON CO INC. | FLEXCON HOLDINGS TRUST | Toluene | 0.00 |
| SUPERCON INC | SUPERCON INC | Nitric acid | 0.00 |
| KOCH SEPARATION SOLUTIONS INC. | Koch Industries | N,N-Dimethylformamide | 0.00 |
| DAUPHINAIS CONCRETE INC. | DAUPHINAIS CONCRETE INC | Lead | 0.00 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | n-Hexane (Hexane) | 0.00 |
| UNIVAR SOLUTIONS USA INC. - TEWKSBURY MA | Apollo Global Management | Xylene (mixed isomers) | 0.00 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | Xylene (mixed isomers) | 0.00 |
| ADVANCE COATINGS CO | ADVANCE COATINGS CO | Ethylene glycol | 0.00 |
| BRADFORD INDUSTRIES | Wembly Enterprises | Toluene | 0.00 |
| BENJAMIN MOORE & CO-MILFORD | Berkshire Hathaway | Xylene (mixed isomers) | 0.00 |
| INDUSTRIAL POLYMERS & CHEMICAL S INC | INDUSTRIAL POLYMERS & CHEMICAL S INC | Phenol | 0.00 |
| BIOSYNTH INTERNATIONAL INC. | KKR & Co. | Acetonitrile | 0.00 |
| ALLCOAT TECHNOLOGY INC | ALLCOAT TECHNOLOGY INC | N,N-Dimethylformamide | 0.00 |
| ROLLS-ROYCE N.A. INC. | Rolls-Royce | Lead | 0.00 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | Toluene | 0.00 |
| COLT REFINING INC | COLT REFINING INC | Silver compounds | 0.00 |
| PLATING FOR ELECTRONICS INC. | PLATING FOR ELECTRONICS INC. | Nitric acid | 0.00 |
| PARKER HANNIFIN CORP CHOMERICS DIV | Parker-Hannifin | Toluene | 0.00 |
| SHIELD PACKAGING CO INC | Shield Packaging Co. | Xylene (mixed isomers) | 0.00 |
| DAUPHINAIS CONCRETE | DAUPHINAIS CONCRETE INC | Lead | 0.00 |
| VERANOVA L.P. | Altaris Capital Partners | Methanol | 0.00 |
| ALLCOAT TECHNOLOGY INC | ALLCOAT TECHNOLOGY INC | Xylene (mixed isomers) | 0.00 |
| ANALOG DEVICES INC/WILMINGTON MANUFACTURING | Analog Devices Inc. | Nitric acid | 0.00 |
| THERMO FISHER SCIENTIFIC | Thermo Fisher Scientific | Methanol | 0.00 |
| UNITED COUNTY INDUSTRIES | UNITED COUNTY INDUSTRIES | 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 |
| CHEMGENES CORP | CHEMGENES CORP | n-Hexane (Hexane) | 0.00 |
| AVIENT COLORANTS USA LLC - HOLDEN FACILITY | Avient Corporation | Zinc compounds | 0.00 |
| ALLCOAT TECHNOLOGY INC | ALLCOAT TECHNOLOGY INC | Toluene | 0.00 |
| UNIVAR SOLUTIONS USA INC. - TEWKSBURY MA | Apollo Global Management | Toluene | 0.00 |
| LEWCOTT CORP D/B/A BARRDAY COMPOSITE SOLUTIONS | LEWCOTT CORP D/B/A BARRDAY COMPOSITE SOLUTIONS | Phenol | 0.00 |
| DAUPHINAIS CONCRETE INC. | DAUPHINAIS CONCRETE INC | Lead | 0.00 |
| TOPCOAT | Standard Industries Inc. | Toluene | 0.00 |
| MAJILITE MANUFACTURING INC | MERIDIAN INDUSTRIES INC | Toluene | 0.00 |
| FLEXCON CO INC. | FLEXCON HOLDINGS TRUST | n-Hexane (Hexane) | 0.00 |
| CAMGER COATINGS SYSTEMS INC | CAMGER COATINGS SYSTEMS INC | Toluene | 0.00 |
| RYMES - HUDSON | SUPERIOR PLUS CORP | Polycyclic aromatic compounds | 0.00 |
| NITTO DENKO AVECIA INC. | Nitto Denko | Toluene | 0.00 |
| RIVERDALE MILLS CORP | RIVERDALE MILLS CORP | Zinc compounds | 0.00 |
| SAINT GOBAIN PERFORMANCE PLASTICS | Saint-Gobain | Xylene (mixed isomers) | 0.00 |
| BENEVENTO SAND & STONE CORP | BENEVENTO SAND & STONE CORP | Lead compounds | 0.00 |
| COVESTRO LLC | Covestro | Methyl methacrylate | 0.00 |
| CALLAHAN CHEMICAL CO LLC | SK Capital Partners | Certain glycol ethers | 0.00 |
| ENTEGRIS INC | Entegris | Methanol | 0.00 |
| SEAMAN PAPER CO. OF MASSACHUSETTS INC. | SEAMAN PAPER CO. OF MASSACHUSETTS INC. | Benzo[g,h,i]perylene | 0.00 |
| OMNOVA SOLUTIONS | Synthomer | Methyl methacrylate | 0.00 |
| HOUGHTON CHEMICAL CORP | HOUGHTON CHEMICAL CORP | Certain glycol ethers | 0.00 |
| SHAWSHEEN RUBBER CO INC | SHAWSHEEN RUBBER CO INC | Toluene | 0.00 |
| HOUGHTON CHEMICAL CORP | HOUGHTON CHEMICAL CORP | Ethylene glycol | 0.00 |
| SCULLY SIGNAL | SCULLY SIGNAL | Zinc compounds | 0.00 |
| E. PARRELLA CO. INC. | E. PARRELLA CO. INC. | Styrene | 0.00 |
| BENJAMIN MOORE & CO-MILFORD | Berkshire Hathaway | Vinyl acetate | 0.00 |
| UNIVAR SOLUTIONS USA INC. - TEWKSBURY MA | Apollo Global Management | Methanol | 0.00 |
| NYACOL NANOTECHNOLOGIES INC | NYACOL NANOTECHNOLOGIES INC | Ethylene glycol | 0.00 |
| TELEDYNE FLIR SURVEILLANCE | Teledyne Technologies | Lead | 0.00 |
| OMNOVA SOLUTIONS | Synthomer | Styrene | 0.00 |
| CALLAHAN CHEMICAL CO LLC | SK Capital Partners | Xylene (mixed isomers) | 0.00 |
| BIOSYNTH INTERNATIONAL INC. | KKR & Co. | N,N-Dimethylformamide | 0.00 |
| GVS N.A. | GVS Group | Formic acid | 0.00 |
| THERMO FISHER SCIENTIFIC | Thermo Fisher Scientific | Methanol | 0.00 |
| HOLDEN TRAP ROCK | MA BROKEN STONE CO | Benzo[g,h,i]perylene | 0.00 |
| BENEVENTO SAND & STONE CORP | BENEVENTO SAND & STONE CORP | Benzo[g,h,i]perylene | 0.00 |
| BROX INDUSTRIES INC | Brox Industries | Benzo[g,h,i]perylene | 0.00 |
| LEWCOTT CORP D/B/A BARRDAY COMPOSITE SOLUTIONS | LEWCOTT CORP D/B/A BARRDAY COMPOSITE SOLUTIONS | Methanol | 0.00 |
| BENJAMIN MOORE & CO-MILFORD | Berkshire Hathaway | 3-Iodo-2-propynyl butylcarbamate | 0.00 |
| MARMON UTILITY LLC | Berkshire Hathaway | Acetophenone | 0.00 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | n-Butyl alcohol (1-Butanol) | 0.00 |
| LEWCOTT CORP D/B/A BARRDAY COMPOSITE SOLUTIONS | LEWCOTT CORP D/B/A BARRDAY COMPOSITE SOLUTIONS | Toluene | 0.00 |
| MURPHYS WASTE OIL SERVICES INC | Clean Harbors Inc. | Polycyclic aromatic compounds | 0.00 |
| CALLAHAN CHEMICAL CO LLC | SK Capital Partners | Toluene | 0.00 |
| HOUGHTON CHEMICAL CORP | HOUGHTON CHEMICAL CORP | Methanol | 0.00 |
| HOUGHTON CHEMICAL CORP | HOUGHTON CHEMICAL CORP | Toluene | 0.00 |
| AOTCO METAL FINISHING LLC | AOTCO METAL FINISHING LLC | Nitric acid | 0.00 |
| SAFETY-KLEEN SYSTEMS MARLBOROUGH (MRB) | Clean Harbors Inc. | Ethylene glycol | 0.00 |
| MURPHYS WASTE OIL SERVICES INC | Clean Harbors Inc. | Ethylene glycol | 0.00 |
| HOUGHTON CHEMICAL CORP | HOUGHTON CHEMICAL CORP | Xylene (mixed isomers) | 0.00 |
| SAINT GOBAIN PERFORMANCE PLASTICS | Saint-Gobain | Methyl isobutyl ketone | 0.00 |
| BROX INDUSTRIES INC | Brox Industries | Benzo[g,h,i]perylene | 0.00 |
| DAUPHINAIS CONCRETE INC. | DAUPHINAIS CONCRETE INC | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| CALLAHAN CHEMICAL CO LLC | SK Capital Partners | Ethylene glycol | 0.00 |
| OLDCASTLE APG NEW ENGLAND | CRH PLC | Lead compounds | 0.00 |
| BROX INDUSTRIES INC | Brox Industries | Polycyclic aromatic compounds | 0.00 |
| NEW METHOD PLATING CO.,INC. | NEW METHOD PLATING CO.,INC. | Cyanide compounds | 0.00 |
| RESILIENCE BOSTON INC. | NATIONAL RESILIENCE INC | Ethylene glycol | 0.00 |
| DAUPHINAIS CONCRETE | DAUPHINAIS CONCRETE INC | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| SAINT GOBAIN PERFORMANCE PLASTICS | Saint-Gobain | Toluene | 0.00 |
| CALLAHAN CHEMICAL CO LLC | SK Capital Partners | Methanol | 0.00 |
| ANIKA THERAPEUTICS | Anika Therapeutics | Methanol | 0.00 |
| RYMES - HUDSON | SUPERIOR PLUS CORP | Benzo[g,h,i]perylene | 0.00 |
| CALLAHAN CHEMICAL CO LLC | SK Capital Partners | Methyl isobutyl ketone | 0.00 |
| BROX INDUSTRIES INC | Brox Industries | Polycyclic aromatic compounds | 0.00 |
| DAUPHINAIS CONCRETE INC. | DAUPHINAIS CONCRETE INC | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| MURPHYS WASTE OIL SERVICES INC | Clean Harbors Inc. | Benzo[g,h,i]perylene | 0.00 |
| EMD MILLIPORE CORP | Merck KGaA (EMD) | Methanol | 0.00 |
| SHIELD PACKAGING CO INC | Shield Packaging Co. | MIXTURE | 0.00 |
| GVS N.A. | GVS Group | N-Methyl-2-pyrrolidone | 0.00 |
| CYTIVA | Danaher | N-Methyl-2-pyrrolidone | 0.00 |
| SAINT-GOBAIN ABRASIVES & SAINT -GOBAIN CERAMICS & PLASTICS | Saint-Gobain | Lithium carbonate | 0.00 |
| ROHM & HAAS ELECTRONIC MATERIALS LLC | DuPont de Nemours | N-Methyl-2-pyrrolidone | 0.00 |
| SARTORIUS STEDIM 450 DLB | SARTORIUS STEDIM BIOTECH | N-Methyl-2-pyrrolidone | 0.00 |
| SKYWORKS SOLUTIONS INC | Skyworks Solutions | N-Methyl-2-pyrrolidone | 0.00 |
| CURIA MASSACHUSETTS INC. | Aledade | N-Methyl-2-pyrrolidone | 0.00 |
| RAYTHEON CO | RTX Corporation | N-Methyl-2-pyrrolidone | 0.00 |
| MACOM TECHNOLOGY SOLUTIONS INC | M/A-COM TECHNOLOGY SOLUTIONS HOLDINGS | N-Methyl-2-pyrrolidone | 0.00 |
| KOCH SEPARATION SOLUTIONS INC. | Koch Industries | N-Methyl-2-pyrrolidone | 0.00 |
| ALLCOAT TECHNOLOGY INC | ALLCOAT TECHNOLOGY INC | N-Methyl-2-pyrrolidone | 0.00 |
| CL HAUTHAWAY & SONS CORP | CL HAUTHAWAY & SONS CORP | N-Methyl-2-pyrrolidone | 0.00 |
| CALLAHAN CHEMICAL CO LLC | SK Capital Partners | N-Methyl-2-pyrrolidone | 0.00 |
| CALLAHAN CHEMICAL CO LLC | SK Capital Partners | Nonylphenol Ethoxylates | 0.00 |
| PARKER HANNIFIN CORP CHOMERICS DIV | Parker-Hannifin | Tetrabromobisphenol A | 0.00 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | N-Methyl-2-pyrrolidone | 0.00 |
| BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION | BAE Systems | N-Methyl-2-pyrrolidone | 0.00 |
| EMD MILLIPORE CORP | Merck KGaA (EMD) | N-Methyl-2-pyrrolidone | 0.00 |
Political Economy Research Institute
