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SK Capital Partners

Rank among all TRI companies: 50
Air releases 2019 (lbs): 2,264,738
Incineration transfers 2019 (lbs): 863,723
Total Air and Incineration Toxic Score 2019: 1,521,494
Percentage of national total 2019 toxic air and incineration score: 0.4%
EJ: Poor Share: 18%
EJ: Minority Share: 47%

You can also view this company's penalties in Violation Tracker.
You can also look at this company's state, local, and Federal subsidies in Subsidy Tracker.
This company is rank 81 on the Greenhouse 100 list.

Chemicals at facilities displayed below: (
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(Click on column headers to re-sort table: current sort is by revised air releases.)
(Links on facility names lead to full TRI reports. Links on cities lead to Mapquest maps. Links on chemical names lead to New Jersey Right To Know Hazardous Substance Fact Sheets that have information on health effects.)
Split *
SI GROUP INC ORANGEBURG SC Ammonia 678,173 0 159 0.01% 27.2% 76.1%
SI GROUP INC ORANGEBURG SC Dichloromethane 341,186 90 447 0.03% 27.5% 76.4%
TPC GROUP PORT NECHES TX 1,3-Butadiene 316,287 0 618,321 40.64% 15.4% 41.5% 50%
SI GROUP INC ORANGEBURG SC Methanol 285,958 77 2 0.00% 27.0% 75.9%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC-DECATUR PLANT DECATUR AL Acrylonitrile 136,783 0 825,153 54.23% 19.3% 39.3%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC-DECATUR PLANT DECATUR AL Hydrochloric acid 125,345 0 90 0.01% 15.5% 33.2%
TPC GROUP LLC HOUSTON TX Ammonia 63,648 0 37 0.00% 20.0% 78.5% 50%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Propylene (Propene) 35,746 0 1 0.00% 11.6% 61.0%
TPC GROUP LLC HOUSTON TX Methyl tert-butyl ether 33,370 80,335 434 0.03% 21.4% 83.4% 50%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC CANTONMENT FL Cyclohexane 32,365 25,843 0 0.00% 12.7% 32.0%
SI GROUP INC ORANGEBURG SC Toluene 29,766 5 1 0.00% 27.1% 76.2%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Acrylonitrile 29,168 243 172,643 11.35% 11.7% 61.3%
SI GROUP INC ORANGEBURG SC Propylene (Propene) 27,805 0 1 0.00% 27.1% 76.8%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC-DECATUR PLANT DECATUR AL Sulfuric acid 27,129 0 378 0.02% 15.5% 33.2%
TPC GROUP PORT NECHES TX N-Methyl-2-pyrrolidone 25,678 238 0 0.00% 0.0% 0.0% 50%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Ammonia 23,993 0 5 0.00% 11.6% 60.7%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC-DECATUR PLANT DECATUR AL Ammonia 21,282 0 5 0.00% 19.3% 39.3%
TPC GROUP LLC HOUSTON TX 1,3-Butadiene 15,984 0 272,768 17.93% 23.2% 89.1% 50%
SI GROUP-NEWPORT TN NEWPORT TN Xylene (mixed isomers) 15,198 183 16 0.00% 29.7% 12.2%
SI GROUP INC ROTTERDAM JUNCTION NY Methanol 15,095 170 0 0.00% 8.6% 18.0%
SI GROUP INC FREEPORT TX Methanol 13,689 2,853 0 0.00% 19.2% 69.1%
SI GROUP INC ORANGEBURG SC Formaldehyde 13,080 1,868 18,343 1.21% 27.1% 76.3%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Hydrogen cyanide 11,488 50 1,318 0.09% 11.7% 61.4%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC CANTONMENT FL Maleic anhydride 10,179 566,535 4,464 0.29% 20.8% 64.6%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Acetonitrile 8,783 223 13 0.00% 11.7% 61.8%
SI GROUP INC ORANGEBURG SC Methyl acrylate 8,375 5,349 46 0.00% 27.1% 76.3%
TPC GROUP PORT NECHES TX Methyl tert-butyl ether 8,023 238 36 0.00% 14.3% 37.5% 50%
SI GROUP-NEWPORT TN NEWPORT TN Methanol 7,841 0 0 0.00% 28.2% 12.2%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Benzene 7,811 4,619 5,476 0.36% 11.7% 61.6%
TPC GROUP PORT NECHES TX Methanol 7,374 143 0 0.00% 15.4% 41.4% 50%
SI GROUP INC ORANGEBURG SC Propylene oxide 7,047 0 2,911 0.19% 27.0% 75.9%
SI GROUP INC ORANGEBURG SC n-Hexane 6,741 5 1 0.00% 27.1% 76.2%
SI GROUP INC FREEPORT TX Phenol 6,740 1,527 2 0.00% 19.1% 69.1%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC CANTONMENT FL Methanol 6,694 452 0 0.00% 13.7% 33.1%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC CANTONMENT FL Formic acid 6,525 0 0 0.00% 13.7% 33.3%
SI GROUP INC ROTTERDAM JUNCTION NY Formaldehyde 6,463 5,120 10,329 0.68% 8.5% 18.0%
TPC GROUP LLC HOUSTON TX Methanol 5,749 52,961 0 0.00% 21.7% 84.4% 50%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Methanol 4,096 432 0 0.00% 11.7% 61.5%
ARCHROMA US INC MARTIN SC Epichlorohydrin 3,859 0 66 0.00% 28.8% 69.9%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Hydrochloric acid 3,576 0 16 0.00% 11.8% 61.9%
SI GROUP-NEWPORT TN NEWPORT TN Ethylbenzene 3,336 0 93 0.01% 29.0% 12.2%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC CANTONMENT FL Cyclohexanol 3,251 4,037 0 0.00% 0.0% 0.0%
ARCHROMA US INC MARTIN SC Diethanolamine 3,118 0 2 0.00% 31.8% 82.7%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Phenol 3,108 245 1 0.00% 11.5% 60.5%
TPC GROUP LLC HOUSTON TX tert-Butyl alcohol 3,095 0 3 0.00% 20.0% 78.6% 50%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC CANTONMENT FL Ammonia 2,992 30 0 0.00% 13.2% 32.4%
SI GROUP INC ROTTERDAM JUNCTION NY Phenol 2,800 40,050 2 0.00% 9.9% 20.8%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Cyanide compounds 2,678 183 287 0.02% 11.8% 61.9%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC CANTONMENT FL Acrylic acid 2,595 0 104 0.01% 13.7% 33.2%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC CANTONMENT FL Biphenyl 2,576 0 60 0.00% 11.3% 29.3%
ARCHROMA US INC MARTIN SC Hydrochloric acid 2,191 0 2 0.00% 26.6% 60.7%
SI GROUP INC ORANGEBURG SC Phenol 2,093 229 1 0.00% 27.3% 76.9%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Sulfuric acid 2,039 0 205 0.01% 11.6% 60.7%
SI GROUP INC ORANGEBURG SC Dimethylamine 1,906 0 0 0.00% 0.0% 0.0%
TPC GROUP LLC HOUSTON TX N,N-Dimethylformamide 1,807 25,889 55 0.00% 22.7% 87.5% 50%
SI GROUP INC ROTTERDAM JUNCTION NY Xylene (mixed isomers) 1,790 53,300 4 0.00% 11.0% 22.6%
ARCHROMA US INC MARTIN SC Ammonia 1,773 0 0 0.00% 26.4% 60.3%
SI GROUP USA LLC-NORTH PLANT MORGANTOWN WV Methanol 1,580 0 0 0.00% 24.1% 15.7%
TPC GROUP PORT NECHES TX Dicyclopentadiene 1,574 0 421 0.03% 15.6% 42.5% 50%
SI GROUP INC ROTTERDAM JUNCTION NY Ethylbenzene 1,460 7,200 52 0.00% 9.1% 19.0%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC CANTONMENT FL n-Butyl alcohol 1,450 48 0 0.00% 12.2% 30.8%
ARISTECH SURFACES LLC BELEN NM Styrene 1,424 0 0 0.00% 21.5% 63.2%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC CANTONMENT FL Phenol 1,402 1,085 0 0.00% 12.0% 30.6%
TPC GROUP PORT NECHES TX Ethylbenzene 1,399 0 23 0.00% 15.9% 43.3% 50%
TPC GROUP LLC HOUSTON TX Propylene (Propene) 1,339 0 0 0.00% 21.6% 83.7% 50%
SI GROUP BAYTOWN BAYTOWN TX 1,3-Butadiene 1,003 0 8,427 0.55% 20.7% 69.8%
TPC GROUP PORT NECHES TX n-Hexane 937 0 0 0.00% 16.0% 43.4% 50%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Formaldehyde 899 417 967 0.06% 11.6% 60.9%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC-DECATUR PLANT DECATUR AL Nickel compounds 891 0 3,309 0.22% 15.5% 33.2%
SI GROUP USA LLC - SOUTH PLANT MORGANTOWN WV Cresol (mixed isomers) 846 0 0 0.00% 24.0% 16.0%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Xylene (mixed isomers) 792 2,498 1 0.00% 11.4% 58.7%
SI GROUP INC ORANGEBURG SC Hydrogen cyanide 783 0 110 0.01% 27.0% 75.9%
NORAMCO WILMINGTON DE Toluene 753 0 0 0.00% 21.4% 58.7%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Methyl isobutyl ketone 735 0 0 0.00% 11.4% 58.7%
SI GROUP USA LLC - SOUTH PLANT MORGANTOWN WV Nonylphenol 728 5,582 0 0.00% 0.0% 0.0%
SI GROUP USA LLC - SOUTH PLANT MORGANTOWN WV Hydrochloric acid 652 0 9 0.00% 24.2% 15.5%
SI GROUP BAYTOWN BAYTOWN TX Propylene (Propene) 610 0 0 0.00% 19.5% 69.8%
SI GROUP INC FREEPORT TX 2,4-Dimethylphenol 596 775 1 0.00% 20.2% 72.1%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC CANTONMENT FL Acetaldehyde 571 0 50 0.00% 13.7% 33.3%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC CANTONMENT FL Dibutyl phthalate 567 76 0 0.00% 11.5% 29.7%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Acrylic acid 536 0 42 0.00% 11.7% 61.6%
GEON PERFORMANCE SOLUTIONS CLINTON TN Ethylbenzene 500 0 28 0.00% 16.6% 11.4%
GEON PERFORMANCE SOLUTIONS CLINTON TN Styrene 500 0 0 0.00% 17.1% 10.5%
GEON PERFORMANCE SOLUTIONS DYERSBURG TN Antimony 500 0 241 0.02% 22.2% 27.7%
GEON PERFORMANCE SOLUTIONS DYERSBURG TN Zinc compounds 500 0 2 0.00% 22.2% 27.7%
ARISTECH SURFACES LLC BELEN NM Methyl methacrylate 500 0 0 0.00% 22.5% 61.3%
TPC GROUP LLC HOUSTON TX Ethylene 479 0 0 0.00% 20.0% 78.3% 50%
SI GROUP INC FREEPORT TX m-Cresol 477 0 0 0.00% 20.7% 73.2%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC-DECATUR PLANT DECATUR AL Butyraldehyde 475 160 0 0.00% 0.0% 0.0%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Hydrogen fluoride 446 24 3 0.00% 11.7% 60.8%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC-DECATUR PLANT DECATUR AL Diethyl sulfate 430 0 18,173 1.19% 19.4% 39.4%
SI GROUP INC ORANGEBURG SC Glycol Ethers 304 6,528 2 0.00% 27.2% 76.4%
TPC GROUP PORT NECHES TX Benzene 293 1 162 0.01% 15.8% 42.8% 50%
TPC GROUP PORT NECHES TX Xylene (mixed isomers) 276 0 0 0.00% 15.7% 42.6% 50%
SI GROUP INC FREEPORT TX Toluene 155 1,787 0 0.00% 16.2% 61.5%
SI GROUP USA LLC BAY MINETTE AL Nitric acid 146 0 1 0.00% 15.5% 34.6%
SI GROUP BAYTOWN BAYTOWN TX Cyclohexane 136 0 0 0.00% 17.5% 69.8%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Ethylbenzene 125 1,669 3 0.00% 11.5% 59.1%
NORAMCO WILMINGTON DE Methanol 115 0 0 0.00% 27.0% 68.4%
ARCHROMA US INC MARTIN SC Aniline 105 0 0 0.00% 31.9% 83.3%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Acrolein 102 0 376 0.02% 11.6% 60.8%
SI GROUP INC ROTTERDAM JUNCTION NY n-Butyl alcohol 99 13 0 0.00% 9.6% 20.5%
SI GROUP USA LLC BAY MINETTE AL Ethylbenzene 84 0 1 0.00% 15.4% 34.5%
SI GROUP INC ORANGEBURG SC Hydrochloric acid 83 0 0 0.00% 27.0% 75.8%
SI GROUP USA LLC-NORTH PLANT MORGANTOWN WV Phenol 69 0 0 0.00% 24.7% 15.2%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC CANTONMENT FL Phthalic anhydride 60 24 0 0.00% 12.7% 32.2%
TPC GROUP PORT NECHES TX Toluene 59 0 0 0.00% 16.0% 43.4% 50%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC CANTONMENT FL Vanadium compounds 47 0 0 0.00% 13.7% 33.3%
NORAMCO WILMINGTON DE n-Butyl alcohol 46 0 0 0.00% 29.0% 72.1%
SI GROUP INC FREEPORT TX Nonylphenol 44 63 0 0.00% 0.0% 0.0%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Ethylene glycol 42 0 0 0.00% 11.7% 61.6%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC CANTONMENT FL Nickel 41 0 447 0.03% 13.7% 33.3%
SI GROUP BAYTOWN BAYTOWN TX Styrene 35 0 0 0.00% 17.5% 69.5%
SI GROUP INC FREEPORT TX p-Cresol 34 63 0 0.00% 16.5% 63.3%
TPC GROUP PORT NECHES TX Propylene (Propene) 33 0 0 0.00% 16.0% 43.5% 50%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC-DECATUR PLANT DECATUR AL Lead compounds 30 0 3 0.00% 15.5% 33.2%
ARCHROMA US INC MARTIN SC Copper compounds 29 0 0 0.00% 26.1% 58.9%
ARCHROMA US INC MARTIN SC Sodium nitrite 28 0 0 0.00% 25.9% 58.1%
ARCHROMA US INC MARTIN SC Acrylamide 23 0 31 0.00% 26.2% 59.3%
SI GROUP INC ROTTERDAM JUNCTION NY o-Cresol 22 431 0 0.00% 9.4% 20.2%
GEON PERFORMANCE SOLUTIONS LOUISVILLE KY Antimony compounds 20 0 26 0.00% 24.1% 52.4%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Formic acid 19 0 0 0.00% 11.6% 59.8%
SI GROUP USA LLC-NORTH PLANT MORGANTOWN WV Hydrochloric acid 17 0 0 0.00% 24.4% 15.1%
SI GROUP BAYTOWN BAYTOWN TX n-Hexane 15 0 0 0.00% 17.5% 69.8%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC-DECATUR PLANT DECATUR AL Cadmium compounds 15 0 383 0.03% 15.5% 33.2%
SI GROUP USA LLC - SOUTH PLANT MORGANTOWN WV Phenol 10 0 0 0.00% 24.2% 15.8%
SI GROUP USA LLC-NORTH PLANT MORGANTOWN WV Ethylene glycol 10 0 0 0.00% 24.3% 15.5%
SI GROUP INC ORANGEBURG SC Manganese compounds 10 0 4 0.00% 27.3% 76.1%
GEON PERFORMANCE SOLUTIONS LLC TERRE HAUTE IN Antimony 10 0 6 0.00% 26.6% 13.4%
SI GROUP INC ROTTERDAM JUNCTION NY Nonylphenol 9 183 0 0.00% 0.0% 0.0%
SI GROUP INC ORANGEBURG SC 1,2,4-Trimethylbenzene 6 0 0 0.00% 27.4% 77.1%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC-DECATUR PLANT DECATUR AL Mercury compounds 6 0 0 0.00% 15.5% 33.2%
SI GROUP INC ROTTERDAM JUNCTION NY Naphthalene 6 150 2 0.00% 9.3% 19.9%
ARCHROMA US INC MARTIN SC Benzoyl chloride 5 0 0 0.00% 0.0% 0.0%
ARCHROMA US INC MARTIN SC Phenol 5 0 0 0.00% 26.5% 60.9%
ARCHROMA US INC MARTIN SC Glycol Ethers 5 0 0 0.00% 26.2% 59.4%
ARISTECH SURFACES LLC FLORENCE KY Methyl methacrylate 5 0 0 0.00% 20.1% 26.1%
ARISTECH SURFACES LLC FLORENCE KY Butyl acrylate 5 0 3 0.00% 19.8% 26.2%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC CANTONMENT FL Copper 4 0 0 0.00% 13.7% 33.3%
SI GROUP INC FREEPORT TX o-Cresol 4 126 0 0.00% 14.6% 61.5%
SI GROUP INC ROTTERDAM JUNCTION NY 4,4'-Isopropylidenediphenol 2 540 0 0.00% 8.1% 17.3%
GEON PERFORMANCE SOLUTIONS LOUISVILLE KY Zinc compounds 2 0 0 0.00% 24.1% 52.4%
SI GROUP INC ROTTERDAM JUNCTION NY p-Cresol 2 1,110 0 0.00% 12.3% 24.7%
SI GROUP INC ROTTERDAM JUNCTION NY 1,2,4-Trimethylbenzene 1 46 0 0.00% 9.4% 20.3%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Acetamide 1 0 0 0.00% 11.6% 60.5%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Acetaldehyde 1 0 0 0.00% 11.5% 59.9%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Acrylamide 1 0 8 0.00% 11.5% 60.1%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX n-Hexane 1 0 0 0.00% 11.6% 60.3%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Hydroquinone 1 0 1 0.00% 11.5% 59.7%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Methacrylonitrile 1 0 0 0.00% 11.6% 60.2%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Dibenzofuran 1 39,066 0 0.00% 0.0% 0.0%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Nitrilotriacetic acid 1 0 0 0.00% 11.3% 58.5%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Antimony compounds 1 0 0 0.00% 11.6% 60.6%
SI GROUP BAYTOWN BAYTOWN TX Isoprene 0 0 0 0.00% 0.0% 0.0%
ASCEND PERFORMANCE MATERIALS FOLEY AL Zinc compounds 0 0 0 0.00% 12.8% 24.5%
GEON PERFORMANCE SOLUTIONS DYERSBURG TN Lead 0 0 0 0.00% 22.4% 27.8%
ASCEND PERFORMANCE MATERIALS OPERATIONS LLC-DECATUR PLANT DECATUR AL Dioxin and dioxin-like compounds 0 0 0 0.00% 15.5% 33.2%
SI GROUP USA LLC BAY MINETTE AL Dinitrobutyl phenol (Dinoseb) 0 438 0 0.00% 0.0% 0.0%
ASCEND PERFORMANCE MATERIALS-CHOCOLATE BAYOU PLANT ALVIN TX Pyridine 0 0 0 0.00% 0.0% 0.0%

For explanations of most columns above, including the EJ Shares, see the technical notes.

The Greenhouse CO2e column shows the CO2 equivalent pounds released by this facility if the facility also exists in the Greenhouse database

* Split: if 50% appears in this column, then the facility's emissions have been split among two 50/50% ownership parent companies for their parent company data, although the full pounds and score are displayed here.

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