| ISOMEDIX OPERATIONS INC. | STERIS | Ethylene oxide | 51.30 |
| HITCHINER COUNTERGRAVITY CAST OPERATIONS (VCO/DCO/MCT) | HITCHINER MANUFACTURING CO INC | Cobalt | 25.54 |
| ADVANCE COATINGS CO | ADVANCE COATINGS CO | Dicyclopentadiene | 22.33 |
| ADVANCE COATINGS CO | ADVANCE COATINGS CO | Maleic anhydride | 15.85 |
| PROTO LABS INC. | PROTO LABS INC | Chromium | 11.27 |
| PROTO LABS INC | PROTO LABS INC | Chromium | 11.27 |
| 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.) | 7.19 |
| HITCHINER COUNTERGRAVITY CAST OPERATIONS (VCO/DCO/MCT) | HITCHINER MANUFACTURING CO INC | Nickel | 3.82 |
| 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.) | 3.57 |
| LS STARRETT CO | MiddleGround Capital | Trichloroethylene | 2.53 |
| OMNOVA SOLUTIONS | Synthomer | Acrylonitrile | 2.15 |
| INNER-TITE CORP. | INNER-TITE CORP. | Chromium | 2.03 |
| METSO AUTOMATION USA INC | Valmet Oyj | Chromium | 1.78 |
| NEWARK AMERICA | Greif Inc. | Peracetic acid | 1.57 |
| KOMTEK FORGE LLC | Crawford United | Chromium | 1.30 |
| HITCHINER COUNTERGRAVITY CAST OPERATIONS (VCO/DCO/MCT) | HITCHINER MANUFACTURING CO INC | Chromium | 1.18 |
| KOMTEK FORGE LLC | Crawford United | Nickel | 0.65 |
| 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.) | 0.49 |
| MEXICHEM SPECIALTY COMPOUNDS | Orbia Advance Corporation | Antimony compounds | 0.39 |
| WYMAN-GORDON CO | Berkshire Hathaway | Nickel | 0.22 |
| COORSTEK IGNITER PRODUCTS | COORSTEK INC | Nickel | 0.22 |
| NYACOL NANOTECHNOLOGIES INC | NYACOL NANOTECHNOLOGIES INC | Antimony compounds | 0.21 |
| OMNOVA SOLUTIONS | Synthomer | Butyl acrylate | 0.19 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | Diisocyanates | 0.16 |
| WYMAN-GORDON CO | Berkshire Hathaway | Chromium | 0.16 |
| AMPHENOL APC INC | Amphenol | Formaldehyde | 0.13 |
| S&E SPECIALTY POLYMERS LLC | Nautic Partners | Antimony compounds | 0.11 |
| METSO AUTOMATION USA INC | Valmet Oyj | Nickel | 0.07 |
| ADVANCE COATINGS CO | ADVANCE COATINGS CO | Phthalic anhydride | 0.05 |
| WHIPPS INC | WHIPPS INC | Chromium | 0.05 |
| PHOTOFABRICATION ENGINEERING I NC | THE PARTNER COS LLC | Hydrogen fluoride (Hydrofluoric acid) | 0.04 |
| VERANOVA L.P. | Altaris Capital Partners | Dichloromethane (Methylene chloride) | 0.03 |
| ADVANCE COATINGS CO | ADVANCE COATINGS CO | Styrene | 0.03 |
| VIBRAM CORP | VIBRAM USA | Diisocyanates | 0.03 |
| PANDOLF PERKINS CO | EH PERKINS CONSTRUCTION INC | Polycyclic aromatic compounds | 0.02 |
| EMD MILLIPORE CORP | Merck KGaA (EMD) | Dichloromethane (Methylene chloride) | 0.02 |
| BENCHMARK ELECTRONICS NH DIV | Benchmark Electronics | Lead | 0.02 |
| SEAMAN PAPER CO. OF MASSACHUSETTS INC. | SEAMAN PAPER CO. OF MASSACHUSETTS INC. | Polycyclic aromatic compounds | 0.02 |
| HOLCIM - NER INC. | Holcim Group | Polycyclic aromatic compounds | 0.02 |
| AVCARB MATERIAL SOLUTIONS | Arsenal Capital Partners | Hydrogen cyanide | 0.01 |
| WYMAN-GORDON CO | Berkshire Hathaway | Nickel | 0.01 |
| MACE ADHESIVES & COATINGS CO I NC | MACE ADHESIVES & COATINGS CO I NC | Diisocyanates | 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 |
| SPECIALTY MATERIALS INC. | Global Materials | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.01 |
| NITTO DENKO AVECIA INC. | Nitto Denko | Acetonitrile | 0.01 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | Antimony compounds | 0.01 |
| OMNOVA SOLUTIONS | Synthomer | Acrylic acid | 0.01 |
| HARCROS CHEMICALS INC | Harcros Chemicals | Nitric acid | 0.01 |
| WHIPPS INC | WHIPPS INC | Nickel | 0.01 |
| S&E SPECIALTY POLYMERS LLC | Nautic Partners | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 0.00 |
| INTERNATIONAL RECTIFIER HIREL PRODUCTS INC. | Infineon Technologies | Lead | 0.00 |
| OMNOVA SOLUTIONS | Synthomer | Ethyl acrylate | 0.00 |
| NITTO DENKO AVECIA INC. | Nitto Denko | Pyridine | 0.00 |
| NEWARK AMERICA | Greif Inc. | Lead | 0.00 |
| HOLDEN TRAP ROCK | MA BROKEN STONE CO | Polycyclic aromatic compounds | 0.00 |
| IDEAL TAPE CO | American Biltrite | Toluene | 0.00 |
| ADVANCE COATINGS CO | ADVANCE COATINGS CO | Methyl methacrylate | 0.00 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | Toluene diisocyanate (mixed isomers) | 0.00 |
| DAV-TECH PLATING INC. | DAV-TECH PLATING INC. | Nitric acid | 0.00 |
| VERANOVA L.P. | Altaris Capital Partners | Methyl tert-butyl ether | 0.00 |
| SAINT-GOBAIN ABRASIVES & SAINT -GOBAIN CERAMICS & PLASTICS | Saint-Gobain | Lead compounds | 0.00 |
| TEKNOR APEX ELASTOMERS INC. | TEKNOR APEX | Zinc compounds | 0.00 |
| AMPHENOL APC INC | Amphenol | Certain glycol ethers | 0.00 |
| ADVANCE COATINGS CO | ADVANCE COATINGS CO | Ethylene glycol | 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 |
| SAINT-GOBAIN ABRASIVES & SAINT -GOBAIN CERAMICS & PLASTICS | Saint-Gobain | Phenol | 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 |
| AMPHENOL APC INC | Amphenol | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.00 |
| HAARTZ CORP | HAARTZ CORP | o-Xylene | 0.00 |
| LEWCOTT CORP D/B/A BARRDAY COMPOSITE SOLUTIONS | LEWCOTT CORP D/B/A BARRDAY COMPOSITE SOLUTIONS | Formaldehyde | 0.00 |
| BIOSYNTH INTERNATIONAL INC. | KKR & Co. | Acetonitrile | 0.00 |
| FLEXCON CO INC. | FLEXCON HOLDINGS TRUST | Xylene (mixed isomers) | 0.00 |
| EDWARDS VACUUM LLC | Atlas Copco | Lead | 0.00 |
| BRONZE CRAFT CORP | BRONZE CRAFT CORP | Copper | 0.00 |
| 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 |
| NYACOL NANOTECHNOLOGIES INC | NYACOL NANOTECHNOLOGIES INC | Lead compounds | 0.00 |
| AMERICAN SUPERCONDUCTOR | American Superconductor Corp. | Lead compounds | 0.00 |
| MEXICHEM SPECIALTY COMPOUNDS | Orbia Advance Corporation | Lead compounds | 0.00 |
| PEXCO LLC | Odyssey Investment Partners | Di(2-ethylhexyl) phthalate | 0.00 |
| HIGHLINE WARREN LLC | Pritzker Group | Methanol | 0.00 |
| MARMON UTILITY LLC | Berkshire Hathaway | Copper | 0.00 |
| BENJAMIN MOORE & CO-MILFORD | Berkshire Hathaway | Zinc compounds | 0.00 |
| MEXICHEM SPECIALTY COMPOUNDS | Orbia Advance Corporation | Zinc compounds | 0.00 |
| IDEAL TAPE CO | American Biltrite | n-Hexane (Hexane) | 0.00 |
| FLEXCON CO INC. | FLEXCON HOLDINGS TRUST | Vinyl acetate | 0.00 |
| US PACK INC | US PACK INC | 1,2,4-Trimethylbenzene | 0.00 |
| WORTHEN INDUSTRIES | Worthen Industries | Toluene | 0.00 |
| SUPERCON INC | SUPERCON INC | Nitric acid | 0.00 |
| INNER-TITE CORP. | INNER-TITE CORP. | Lead | 0.00 |
| BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION | BAE Systems | Lead | 0.00 |
| SAINT-GOBAIN ABRASIVES & SAINT -GOBAIN CERAMICS & PLASTICS | Saint-Gobain | Ethylene glycol | 0.00 |
| SAEILO ENTERPRISES | SAEILO ENTERPRISES INC | Lead | 0.00 |
| HOLCIM - NER INC. | Holcim Group | Lead compounds | 0.00 |
| NYACOL NANOTECHNOLOGIES INC | NYACOL NANOTECHNOLOGIES INC | Nitric acid | 0.00 |
| FLEXCON CO INC. | FLEXCON HOLDINGS TRUST | Toluene | 0.00 |
| JG MACLELLAN CONCRETE CO INC | JG MACLELLAN CONCRETE CO INC | Lead compounds | 0.00 |
| GRANITE STATE CONCRETE CO INC WESTFORD | JG MACLELLAN CONCRETE CO INC | Lead compounds | 0.00 |
| S&E SPECIALTY POLYMERS LLC | Nautic Partners | Lead | 0.00 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | N,N-Dimethylformamide | 0.00 |
| S&E SPECIALTY POLYMERS LLC | Nautic Partners | Zinc compounds | 0.00 |
| DUXBURY COMPOSITE PRODUCTS DBA PLP COMPOSITES | DUXBURY COMPOSITE PRODUCTS DBA PLP COMPOSITES | Styrene | 0.00 |
| OMNOVA SOLUTIONS | Synthomer | Methyl methacrylate | 0.00 |
| INDUSTRIAL POLYMERS & CHEMICAL S INC | INDUSTRIAL POLYMERS & CHEMICAL S INC | Phenol | 0.00 |
| CIRTRONICS CORP | CIRTRONICS CORP | Lead | 0.00 |
| DAUPHINAIS CONCRETE INC. | DAUPHINAIS CONCRETE INC | Lead | 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 |
| SHIELD PACKAGING CO INC | Shield Packaging Co. | Certain glycol ethers | 0.00 |
| CHROMA COLOR CORP | Arsenal Capital Partners | Zinc compounds | 0.00 |
| AMPHENOL APC INC | Amphenol | Nitric acid | 0.00 |
| OMNOVA SOLUTIONS | Synthomer | Styrene | 0.00 |
| BENJAMIN MOORE & CO-MILFORD | Berkshire Hathaway | Xylene (mixed isomers) | 0.00 |
| DAUPHINAIS CONCRETE | DAUPHINAIS CONCRETE INC | Lead | 0.00 |
| BIOSYNTH INTERNATIONAL INC. | KKR & Co. | N,N-Dimethylformamide | 0.00 |
| US PACK INC | US PACK INC | Ethylene glycol | 0.00 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | n-Hexane (Hexane) | 0.00 |
| RIVERDALE MILLS CORP | RIVERDALE MILLS CORP | Zinc compounds | 0.00 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | Xylene (mixed isomers) | 0.00 |
| DAUPHINAIS CONCRETE INC. | DAUPHINAIS CONCRETE INC | Lead | 0.00 |
| SEAMAN PAPER CO. OF MASSACHUSETTS INC. | SEAMAN PAPER CO. OF MASSACHUSETTS INC. | Benzo[g,h,i]perylene | 0.00 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | Toluene | 0.00 |
| PARKER HANNIFIN CORP CHOMERICS DIV | Parker-Hannifin | Toluene | 0.00 |
| THERMO FISHER SCIENTIFIC | Thermo Fisher Scientific | Methanol | 0.00 |
| FLEXCON CO INC. | FLEXCON HOLDINGS TRUST | n-Hexane (Hexane) | 0.00 |
| SHIELD PACKAGING CO INC | Shield Packaging Co. | Xylene (mixed isomers) | 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 |
| LEWCOTT CORP D/B/A BARRDAY COMPOSITE SOLUTIONS | LEWCOTT CORP D/B/A BARRDAY COMPOSITE SOLUTIONS | Phenol | 0.00 |
| VERANOVA L.P. | Altaris Capital Partners | Methanol | 0.00 |
| NITTO DENKO AVECIA INC. | Nitto Denko | Toluene | 0.00 |
| HOLDEN TRAP ROCK | MA BROKEN STONE CO | Benzo[g,h,i]perylene | 0.00 |
| AVIENT COLORANTS USA LLC - HOLDEN FACILITY | Avient Corporation | Zinc compounds | 0.00 |
| SAINT GOBAIN PERFORMANCE PLASTICS | Saint-Gobain | Xylene (mixed isomers) | 0.00 |
| CLEANPART EAST | Mitsubishi Chemical | Nitric acid | 0.00 |
| BENJAMIN MOORE & CO-MILFORD | Berkshire Hathaway | Vinyl acetate | 0.00 |
| GVS N.A. | GVS Group | Formic acid | 0.00 |
| NYACOL NANOTECHNOLOGIES INC | NYACOL NANOTECHNOLOGIES INC | Ethylene glycol | 0.00 |
| TELEDYNE FLIR SURVEILLANCE | Teledyne Technologies | Lead | 0.00 |
| WHIPPS INC | WHIPPS INC | Manganese | 0.00 |
| E. PARRELLA CO. INC. | E. PARRELLA CO. INC. | Styrene | 0.00 |
| LEWCOTT CORP D/B/A BARRDAY COMPOSITE SOLUTIONS | LEWCOTT CORP D/B/A BARRDAY COMPOSITE SOLUTIONS | Methanol | 0.00 |
| MARMON UTILITY LLC | Berkshire Hathaway | Acetophenone | 0.00 |
| LEWCOTT CORP D/B/A BARRDAY COMPOSITE SOLUTIONS | LEWCOTT CORP D/B/A BARRDAY COMPOSITE SOLUTIONS | Toluene | 0.00 |
| BENJAMIN MOORE & CO-MILFORD | Berkshire Hathaway | 3-Iodo-2-propynyl butylcarbamate | 0.00 |
| THERMO FISHER SCIENTIFIC | Thermo Fisher Scientific | Methanol | 0.00 |
| WORTHEN INDUSTRIES INC UPACO DIV | Worthen Industries | n-Butyl alcohol (1-Butanol) | 0.00 |
| GENTEX OPTICS INC | EOA HOLDING CO INC | Methanol | 0.00 |
| LS STARRETT CO | MiddleGround Capital | Methanol | 0.00 |
| SAFETY-KLEEN SYSTEMS MARLBOROUGH (MRB) | Clean Harbors Inc. | Ethylene glycol | 0.00 |
| DAUPHINAIS CONCRETE INC. | DAUPHINAIS CONCRETE INC | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| SAINT GOBAIN PERFORMANCE PLASTICS | Saint-Gobain | Methyl isobutyl ketone | 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 |
| OLDCASTLE APG NEW ENGLAND | CRH PLC | Lead compounds | 0.00 |
| NEW METHOD PLATING CO.,INC. | NEW METHOD PLATING CO.,INC. | Cyanide compounds | 0.00 |
| DAUPHINAIS CONCRETE INC. | DAUPHINAIS CONCRETE INC | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| ANIKA THERAPEUTICS | Anika Therapeutics | Methanol | 0.00 |
| NEW HAMPSHIRE BALL BEARINGS INC | MinebeaMitsumi | Methanol | 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 |
| MACOM TECHNOLOGY SOLUTIONS INC | M/A-COM TECHNOLOGY SOLUTIONS HOLDINGS | N-Methyl-2-pyrrolidone | 0.00 |
| CL HAUTHAWAY & SONS CORP | CL HAUTHAWAY & SONS CORP | N-Methyl-2-pyrrolidone | 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
