| DEPUY SYNTHES A JOHNSON & JOHNSON CO | Johnson & Johnson | Cobalt | 159.04 |
| CERTAINTEED LLC | 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.) | 29.84 |
| GE AVIATION | General Electric | Chromium | 21.79 |
| DEPUY SYNTHES A JOHNSON & JOHNSON CO | Johnson & Johnson | Chromium | 19.85 |
| TECHNICAL MANUFACTURING CORP | Ametek | Chromium | 6.86 |
| PALMER MANUFACTURING CO LLC | Pursuit Aerospace | Cobalt | 6.68 |
| PALMER MANUFACTURING CO LLC | Pursuit Aerospace | Chromium | 3.49 |
| GE AVIATION | General Electric | Cobalt | 2.67 |
| GE AVIATION | General Electric | Nickel | 2.24 |
| PARADIGM PRECISION HOLDINGS LLC | Pursuit Aerospace | Cobalt | 1.62 |
| NATIONAL COATING CORP | Carlisle | Formaldehyde | 1.59 |
| WOLLASTON ALLOYS | Consolidated Precision Products | Nickel | 1.38 |
| ARISTON THERMO USA (PREV HEAT TRANSFER PRODUCTS) | ARISTON THERMO USA | Chromium | 1.13 |
| TEI BIOSCIENCES | Integra LifeSciences | Chloroform | 1.11 |
| WOLLASTON ALLOYS | Consolidated Precision Products | Chromium | 1.07 |
| PARADIGM PRECISION HOLDINGS LLC | Pursuit Aerospace | Chromium | 0.84 |
| ARISTON THERMO USA (PREV HEAT TRANSFER PRODUCTS) | ARISTON THERMO USA | Nickel | 0.81 |
| CITGO PETROLEUM CORP | PDVSA (Petroleos de Venezuela S.A.) | Benzene | 0.74 |
| SMITH & NEPHEW | Smith & Nephew | Chromium | 0.72 |
| FUTURE FOAM INC | FUTURE FOAM INC | Toluene diisocyanate (mixed isomers) | 0.42 |
| CAPSTAN ATLANTIC | CAPSTAN ATLANTIC | Nickel | 0.37 |
| ARISTON THERMO USA (PREV HEAT TRANSFER PRODUCTS) | ARISTON THERMO USA | Diisocyanates | 0.31 |
| PALMER MANUFACTURING CO LLC | Pursuit Aerospace | Nickel | 0.22 |
| GLOBAL COMPANIES LLC | Global Partners LP | Benzene | 0.16 |
| GULF OIL LP CHELSEA TERMINAL | RaceTrac Petroleum | Benzene | 0.16 |
| KENDALL GREEN ENERGY LLC | Antin Infrastructure Partners | Polycyclic aromatic compounds | 0.14 |
| TECH-ETCH INC | TECH ETCH INC | Chlorine | 0.14 |
| IRVING OIL TERMINALS INC. | Irving Oil | Benzene | 0.12 |
| CANAL GENERATING LLC | JERA | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 0.10 |
| PARADIGM PRECISION HOLDINGS LLC | Pursuit Aerospace | Nickel | 0.05 |
| EXXON MOBIL CORP EVERETT TERMINAL | Exxon Mobil | Benzene | 0.05 |
| ELECTRO FIBER TECHNOLOGIES | James Cropper | Formaldehyde | 0.05 |
| CALPINE FORE RIVER ENERGY CENTER LLC | Energy Capital Partners | Polycyclic aromatic compounds | 0.04 |
| FLEXCON INDUSTRIES | Swan Group | Xylene (mixed isomers) | 0.04 |
| CYN OIL | Clean Harbors Inc. | Polycyclic aromatic compounds | 0.03 |
| SCITUATE CONCRETE PIPE | SCITUATE CONCRETE PIPE | Lead | 0.03 |
| HOLCIM SOLUTIONS & PRODUCTS US LLC | Holcim Group | Dichloromethane (Methylene chloride) | 0.03 |
| BABS FOUNDRY | BABS FOUNDRY | Copper | 0.02 |
| CANAL GENERATING LLC | JERA | Polycyclic aromatic compounds | 0.02 |
| IRVING OIL TERMINALS INC. | Irving Oil | Naphthalene | 0.01 |
| GLOBE COMPOSITE SOLUTIONS LLC | ESCO Technologies | Diisocyanates | 0.01 |
| TECH-ETCH INC | TECH ETCH INC | Nitric acid | 0.01 |
| ARISTON THERMO USA (PREV HEAT TRANSFER PRODUCTS) | ARISTON THERMO USA | Manganese | 0.01 |
| SIKA CORP SIKA SARNAFIL DIV | Sika AG | Certain glycol ethers | 0.01 |
| HOLCIM - NER INC. | Holcim Group | Polycyclic aromatic compounds | 0.01 |
| DAMPNEY CO INC | DAMPNEY CO INC | Ethylbenzene | 0.01 |
| TECH-ETCH INC | TECH ETCH INC | Copper | 0.01 |
| CHELSEA SANDWICH LLC | Global Partners LP | Naphthalene | 0.01 |
| AVEDIS ZILDJIAN CO. | AVEDIS ZILDJIAN CO | Copper | 0.01 |
| HOLCIM - NER INC. | Holcim Group | Polycyclic aromatic compounds | 0.01 |
| SIKA CORP SIKA SARNAFIL DIV | Sika AG | Antimony compounds | 0.01 |
| CITGO PETROLEUM CORP | PDVSA (Petroleos de Venezuela S.A.) | Ethylbenzene | 0.01 |
| CERTAINTEED LLC | Saint-Gobain | Polycyclic aromatic compounds | 0.01 |
| ALNYLAM PHARMACEUTICALS | Alnylam Pharmaceuticals | Acetonitrile | 0.00 |
| V&S TAUNTON GALVANIZING LLC | Hill & Smith Holdings PLC | Lead | 0.00 |
| ROUSSELOT PEABODY INC. | Darling Ingredients | 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 |
| TECH-ETCH INC | TECH ETCH INC | Lead compounds | 0.00 |
| CALPINE FORE RIVER ENERGY CENTER LLC | Energy Capital 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 |
| CANAL GENERATING LLC | JERA | Lead compounds | 0.00 |
| GLOBAL COMPANIES LLC | Global Partners LP | Naphthalene | 0.00 |
| THE DOW CHEMICAL CO | Dow Inc. | Ethylbenzene | 0.00 |
| DUNCAN GALVANIZING CORP. | DUNCAN GALVANIZING CORP. | Lead compounds | 0.00 |
| NATIONAL COATING CORP | Carlisle | Phenol | 0.00 |
| LAMB & RITCHIE | LAMB & RITCHIE | Lead | 0.00 |
| DUNCAN GALVANIZING CORP. | DUNCAN GALVANIZING CORP. | Zinc compounds | 0.00 |
| EXXON MOBIL CORP EVERETT TERMINAL | Exxon Mobil | Naphthalene | 0.00 |
| TECH-ETCH INC | TECH ETCH INC | Hydrogen fluoride (Hydrofluoric acid) | 0.00 |
| V&S TAUNTON GALVANIZING LLC | Hill & Smith Holdings PLC | Zinc compounds | 0.00 |
| CLEAN HARBORS OF BRAINTREE INC. | Clean Harbors Inc. | Lead | 0.00 |
| HOLCIM SOLUTIONS & PRODUCTS US LLC | Holcim Group | n-Hexane (Hexane) | 0.00 |
| DAMPNEY CO INC | DAMPNEY CO INC | Xylene (mixed isomers) | 0.00 |
| EXXON MOBIL CORP EVERETT TERMINAL | Exxon Mobil | Ethylbenzene | 0.00 |
| AIRBORN ELECTRONICS INC | AIRBORN INC | Lead | 0.00 |
| CITGO PETROLEUM CORP | PDVSA (Petroleos de Venezuela S.A.) | 1,2,4-Trimethylbenzene | 0.00 |
| CAPSTAN ATLANTIC | CAPSTAN ATLANTIC | Copper | 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 |
| WINCHESTER INTERCONNECT RF CORP | Aptiv PLC | Copper | 0.00 |
| CERTAINTEED LLC | Saint-Gobain | Lead | 0.00 |
| CITGO PETROLEUM CORP | PDVSA (Petroleos de Venezuela S.A.) | Xylene (mixed isomers) | 0.00 |
| ARISTON THERMO USA (PREV HEAT TRANSFER PRODUCTS) | ARISTON THERMO USA | Copper | 0.00 |
| GLOBAL COMPANIES LLC | Global Partners LP | Ethylbenzene | 0.00 |
| FM CALLAHAN & SON INC | FM CALLAHAN & SON INC | Nitric acid | 0.00 |
| CERTAINTEED LLC | Saint-Gobain | Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) | 0.00 |
| IRVING OIL TERMINALS INC. | Irving Oil | Ethylbenzene | 0.00 |
| KENDALL GREEN ENERGY LLC | Antin Infrastructure 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 |
| TL EDWARDS INC. | TL EDWARDS INC. | Polycyclic aromatic compounds | 0.00 |
| CHELSEA SANDWICH LLC | Global Partners LP | 1,2,4-Trimethylbenzene | 0.00 |
| GULF OIL LP CHELSEA TERMINAL | RaceTrac Petroleum | Ethylbenzene | 0.00 |
| CHEMGENES CORP | CHEMGENES CORP | Chloroform | 0.00 |
| ANALOGIC CORP | Altaris Capital Partners | Lead | 0.00 |
| CITGO PETROLEUM CORP | PDVSA (Petroleos de Venezuela S.A.) | n-Hexane (Hexane) | 0.00 |
| GULF OIL LP CHELSEA TERMINAL | RaceTrac Petroleum | Naphthalene | 0.00 |
| WOLLASTON ALLOYS | Consolidated Precision Products | Copper | 0.00 |
| CERTAINTEED LLC | Saint-Gobain | Zinc compounds | 0.00 |
| PREFERRED CONCRETE CORP | PREFERRED CONCRETE CORP | Lead | 0.00 |
| ULTRA | Advent International | Lead compounds | 0.00 |
| GLOBAL COMPANIES LLC | Global Partners LP | Xylene (mixed isomers) | 0.00 |
| THE DOW CHEMICAL CO | Dow Inc. | Xylene (mixed isomers) | 0.00 |
| HOLCIM SOLUTIONS & PRODUCTS US LLC | Holcim Group | Toluene | 0.00 |
| PLATING FOR ELECTRONICS INC. | PLATING FOR ELECTRONICS INC. | Nitric acid | 0.00 |
| BORO SAND & STONE CORP | BORO SAND & STONE CORP | Lead | 0.00 |
| GULF OIL LP CHELSEA TERMINAL | RaceTrac Petroleum | 1,2,4-Trimethylbenzene | 0.00 |
| EXXON MOBIL CORP EVERETT TERMINAL | Exxon Mobil | Xylene (mixed isomers) | 0.00 |
| 3M CO | 3M Company | Toluene | 0.00 |
| IRVING OIL TERMINALS INC. | Irving Oil | Lead | 0.00 |
| PRYSMIAN CABLES & SYSTEMS USA | Prysmian Group | Antimony compounds | 0.00 |
| NEWINGTON STATION | Atlas Holdings | Polycyclic aromatic compounds | 0.00 |
| GLOBAL COMPANIES LLC | Global Partners LP | 1,2,4-Trimethylbenzene | 0.00 |
| PRYSMIAN CABLES & SYSTEMS USA | Prysmian Group | Lead compounds | 0.00 |
| GLOBAL COMPANIES LLC | Global Partners LP | Polycyclic aromatic compounds | 0.00 |
| THE DOW CHEMICAL CO | Dow Inc. | Propylene oxide | 0.00 |
| GULF OIL LP CHELSEA TERMINAL | RaceTrac Petroleum | Xylene (mixed isomers) | 0.00 |
| 3M CO | 3M Company | Methanol | 0.00 |
| IRVING OIL TERMINALS INC. | Irving Oil | Xylene (mixed isomers) | 0.00 |
| ROLLS-ROYCE N.A. INC. | Rolls-Royce | Lead | 0.00 |
| HOLCIM - NER INC. | Holcim Group | Lead compounds | 0.00 |
| CERTAINTEED LLC | Saint-Gobain | Mercury | 0.00 |
| CITGO PETROLEUM CORP | PDVSA (Petroleos de Venezuela S.A.) | Toluene | 0.00 |
| NATIONAL COATING CORP | Carlisle | Methanol | 0.00 |
| VEOLIA ES TECHNICAL SOLUTIONS | Veolia Group | Mercury | 0.00 |
| GLOBAL COMPANIES LLC | Global Partners LP | n-Hexane (Hexane) | 0.00 |
| GULF OIL LP CHELSEA TERMINAL | RaceTrac Petroleum | n-Hexane (Hexane) | 0.00 |
| IRVING OIL TERMINALS INC. | Irving Oil | Polycyclic aromatic compounds | 0.00 |
| DAMPNEY CO INC | DAMPNEY CO INC | Toluene | 0.00 |
| HOUGHTON CHEMICAL CORP | HOUGHTON CHEMICAL CORP | Certain glycol ethers | 0.00 |
| HOUGHTON CHEMICAL CORP | HOUGHTON CHEMICAL CORP | Ethylene glycol | 0.00 |
| CALLAHAN CHEMICAL CO LLC | SK Capital Partners | Certain glycol ethers | 0.00 |
| TOPCOAT | Standard Industries Inc. | Toluene | 0.00 |
| EXXON MOBIL CORP EVERETT TERMINAL | Exxon Mobil | 1,2,4-Trimethylbenzene | 0.00 |
| IRVING OIL TERMINALS INC. | Irving Oil | n-Hexane (Hexane) | 0.00 |
| IRVING OIL TERMINALS INC. | Irving Oil | 1,2,4-Trimethylbenzene | 0.00 |
| EXXON MOBIL CORP EVERETT TERMINAL | Exxon Mobil | n-Hexane (Hexane) | 0.00 |
| INEOS STYROLUTION AMERICA LLC | Ineos | Styrene | 0.00 |
| DYNASOL INC | DYNASOL INC | Certain glycol ethers | 0.00 |
| SIEMENS HEALTHCARE DIAGNOSTICS | Siemens | Methanol | 0.00 |
| CALLAHAN CHEMICAL CO LLC | SK Capital Partners | Xylene (mixed isomers) | 0.00 |
| OCEAN SPRAY CRANBERRIES INC | OCEAN SPRAY CRANBERRIES INC | Polycyclic aromatic compounds | 0.00 |
| OLYMPIC ADHESIVES INC | OLYMPIC ADHESIVES INC | Phenol | 0.00 |
| CHELSEA SANDWICH LLC | Global Partners LP | Polycyclic aromatic compounds | 0.00 |
| GLOBAL COMPANIES LLC | Global Partners LP | Toluene | 0.00 |
| THE GILLETTE CO LLC | Procter & Gamble | 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 |
| CL HAUTHAWAY & SONS CORP | CL HAUTHAWAY & SONS CORP | n-Hexane (Hexane) | 0.00 |
| ALNYLAM PHARMACEUTICALS | Alnylam Pharmaceuticals | Toluene | 0.00 |
| GULF OIL LP CHELSEA TERMINAL | RaceTrac Petroleum | Toluene | 0.00 |
| TL EDWARDS INC. | TL EDWARDS INC. | Benzo[g,h,i]perylene | 0.00 |
| GLOBAL COMPANIES LLC | Global Partners LP | Benzo[g,h,i]perylene | 0.00 |
| EXXON MOBIL CORP EVERETT TERMINAL | Exxon Mobil | Toluene | 0.00 |
| CYN OIL | Clean Harbors Inc. | Lead compounds | 0.00 |
| IRVING OIL TERMINALS INC. | Irving Oil | Toluene | 0.00 |
| CITGO PETROLEUM CORP | PDVSA (Petroleos de Venezuela S.A.) | Cyclohexane | 0.00 |
| CL HAUTHAWAY & SONS CORP | CL HAUTHAWAY & SONS CORP | Cyclohexane | 0.00 |
| HOUGHTON CHEMICAL CORP | HOUGHTON CHEMICAL CORP | Methanol | 0.00 |
| CALLAHAN CHEMICAL CO LLC | SK Capital Partners | Toluene | 0.00 |
| CYN OIL | Clean Harbors Inc. | Ethylene glycol | 0.00 |
| CITGO PETROLEUM CORP | PDVSA (Petroleos de Venezuela S.A.) | Cumene | 0.00 |
| CL HAUTHAWAY & SONS CORP | CL HAUTHAWAY & SONS CORP | Toluene | 0.00 |
| CANAL GENERATING LLC | JERA | Benzo[g,h,i]perylene | 0.00 |
| HOUGHTON CHEMICAL CORP | HOUGHTON CHEMICAL CORP | Toluene | 0.00 |
| GEM GRAVURE CO INC. | GEM GRAVURE CO INC | Toluene | 0.00 |
| TEI BIOSCIENCES | Integra LifeSciences | Methanol | 0.00 |
| HOUGHTON CHEMICAL CORP | HOUGHTON CHEMICAL CORP | Xylene (mixed isomers) | 0.00 |
| INEOS STYROLUTION AMERICA LLC | Ineos | Methyl methacrylate | 0.00 |
| PRYSMIAN CABLES & SYSTEMS USA | Prysmian Group | Zinc compounds | 0.00 |
| CERTAINTEED LLC | Saint-Gobain | Benzo[g,h,i]perylene | 0.00 |
| RESILIENCE BOSTON INC. | NATIONAL RESILIENCE INC | Ethylene glycol | 0.00 |
| OLDCASTLE - ANCHOR | CRH PLC | Lead compounds | 0.00 |
| CALLAHAN CHEMICAL CO LLC | SK Capital Partners | Ethylene glycol | 0.00 |
| ECKART AMERICA | Altana | n-Butyl alcohol (1-Butanol) | 0.00 |
| TECH-ETCH INC | TECH ETCH INC | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0.00 |
| THE DOW CHEMICAL CO | Dow Inc. | Toluene | 0.00 |
| THE DOW CHEMICAL CO | Dow Inc. | Ethylene glycol | 0.00 |
| ZSCHIMMER & SCHWARZ INTERPOLYMER | ZSCHIMMER & SCHWARZ | Methyl methacrylate | 0.00 |
| CALLAHAN CHEMICAL CO LLC | SK Capital Partners | Methanol | 0.00 |
| CALLAHAN CHEMICAL CO LLC | SK Capital Partners | Methyl isobutyl ketone | 0.00 |
| OCEAN SPRAY CRANBERRIES INC | OCEAN SPRAY CRANBERRIES INC | Benzo[g,h,i]perylene | 0.00 |
| ZSCHIMMER & SCHWARZ INTERPOLYMER | ZSCHIMMER & SCHWARZ | Styrene | 0.00 |
| CHEMGENES CORP | CHEMGENES CORP | n-Hexane (Hexane) | 0.00 |
| CHELSEA SANDWICH LLC | Global Partners LP | Benzo[g,h,i]perylene | 0.00 |
| IRVING OIL TERMINALS INC. | Irving Oil | Benzo[g,h,i]perylene | 0.00 |
| CHEMGENES CORP | CHEMGENES CORP | Acetonitrile | 0.00 |
| ECKART AMERICA | Altana | Methyl isobutyl ketone | 0.00 |
| ENTEGRIS INC | Entegris | Di(2-ethylhexyl) phthalate | 0.00 |
| ENTEGRIS INC | Entegris | Methanol | 0.00 |
| ROHM & HAAS ELECTRONIC MATERIALS LLC | DuPont de Nemours | Formaldehyde | 0.00 |
| ROHM & HAAS ELECTRONIC MATERIALS LLC | DuPont de Nemours | N-Methyl-2-pyrrolidone | 0.00 |
| IDEAL TAPE CO | American Biltrite | Toluene | 0.00 |
| IDEAL TAPE CO | American Biltrite | n-Hexane (Hexane) | 0.00 |
| CL HAUTHAWAY & SONS CORP | CL HAUTHAWAY & SONS CORP | N-Methyl-2-pyrrolidone | 0.00 |
| DYNASOL INC | DYNASOL INC | Nonylphenol Ethoxylates | 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 |
| ENVIRO WASTE | Clean Harbors Inc. | Polycyclic aromatic compounds | 0.00 |
| ENVIRO WASTE | Clean Harbors Inc. | Benzo[g,h,i]perylene | 0.00 |
| ECKART AMERICA | Altana | N-Methyl-2-pyrrolidone | 0.00 |