PENNSYLVANIA
The 25 Facilities in Pennsylvania storing the largest amounts of extremely hazardous substances.*
Facility Name City Maximum amount in a single process (lbs) Chemical
1 DYNO NOBEL INC. (DONORA PLANT) DONORA 18,022,528 Ammonia (anhydrous)
2 WELLAND CHEMICAL, INC. NEWELL 17,614,240 Ammonia (anhydrous)
3 INDSPEC CHEMICAL CORPORATION PETROLIA 2,524,100 Oleum (Fuming Sulfuric acid)
4 SUNOCO, INC. (R&M) MARCUS HOOK REFINERY MARCUS HOOK 2,300,000 Ethylene oxide
5 RHODIA INC. MORRISVILLE PLANT MORRISVILLE 1,600,000 Phosphorus trichloride
6 FLEXSYS AMERICA L.P. MONONGAHELA 1,482,000 Carbon disulfide
7 FOAMEX EDDYSTONE PLANT EDDYSTONE 1,291,800 Toluene diisocyanate (unspecified isomer)
8 TANNER INDUSTRIES, INC. PHILADELPHIA 1,240,000 Ammonia (conc >=20%)
9 JAMES AUSTIN COMPANY MARS 720,000 Chlorine
10 CHEMPLY DIV. OF E+E (US) INC. BUNOLA 704,000 Chlorine
11 LAROCHE INDUSTRIES INC. DONORA 702,078 Ammonia (anhydrous)
12 MANLEY-REGAN CHEMICALS DIV. OF E+E (US) INC. MIDDLETOWN 690,000 Chlorine
13 FOAMEX CORRY PLANT CORRY 590,000 Toluene diisocyanate (unspecified isomer)
14 SAMUEL S. BAXTER WATER TREATMENT PLANT PHILADELPHIA 540,000 Chlorine
15 LONZA INC. WILLIAMSPORT 540,000 Chlorine
16 OCCIDENTAL CHEMICAL CORP. - POTTSTOWN PLANT POTTSTOWN 412,600 Vinyl acetate monomer
17 SUNOCO, INC. (R&M) - PHILADELPHIA REFINERY PHILADELPHIA 400,000 Hydrogen fluoride (conc >=50%)
18 ROHM AND HAAS PHILADELPHIA PLANT PHILADELPHIA 380,000 Oleum (Fuming Sulfuric acid)
19 APPLETON PAPERS INC. - SPRING MILL ROARING SPRING 360,000 Chlorine
20 TANNER INDUSTRIES, INC. MORRISVILLE 316,000 Ammonia (anhydrous)
21 LEBANON CHEMICAL CORPORATION - LEBANON LEBANON 290,000 Ammonia (anhydrous)
22 BORDEN CHEMICAL, INC. - MOUNT JEWETT MT JEWETT 270,000 Formaldehyde (solution)
23 ARMCO INC BUTLER OPERATIONS - MAIN PLANT BUTLER 250,000 Hydrogen fluoride (conc >=50%)
24 OSRAM SYLVANIA PRODUCTS, INC. TOWANDA TOWANDA 240,000 Ammonia (conc >=20%)
25 CARTEX CORPORATION - FAIRLESS HILLS PLANT FAIRLESS HILLS 224,000 Toluene diisocyanate (unspecified isomer)
*Extremely hazardous substances as defined by the U.S. Environmental Protection Agency under the Clean Air Act, Section 112(r).



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