ASARCO, INC. (RESPONDENT) IS A CORPORATION INCORPORATED UN- DER THE LAWS OF THE STATE OF NEW JERSEY AND AUTHORIZED TO DO BUSINESS IN TEXAS. THE RESPONDENT IS A PERSON AS THAT TERM IS DEFINED IN 31 TEXAS ADMINISTRATIVE CODE (TAC) SEC. 335.1, SECTION 1004(15) OF RCRA, 42 U.S.C. SEC. 6903(15), AND 40 C.F.R. SEC. 260.10. THE RESPONDENT OWNS AND OPERATES A METALS REFINING FACILITY LOCATED AT 2301 WEST PAISANO, EL PASO, TX. ON OR ABOUT AUG. 13, 1980, THE RESPONDENT SUBMITTED A NOTI- FICATION OF HAZARDOUS WASTE ACTIVITY (EPA FORM 8700-12) TO EPA, AS REQUIRED BY SECTION 3010 OF RCRA, 42 U.S.C. SEC. 6930. RESPONDENT WAS ASSIGNED EPA I.D. NO. TXD990757668. IN ITS NOTIFICATION OF HAZARDOUS WASTE ACTIVITY, THE RESPON- DENT CERTIFIED THAT IT GENERATED, TREATED, STORED, OR DIS- POSED OF THE FOLLOWING: HAZARDOUS WASTE FROM NONSPECIFIC SOURCES: F001; HAZARDOUS WASTES FROM SPECIFIC SOURCES: K064, K065, K066, AND K068; COMMERCIAL CHEMICAL PRODUCT HAZARDOUS WASTES: U002, U013, U044, U117, U122, U134, U144, U154, U159 U160, U161, U211, U219, U228, P012, P098, AND P106; AND CHARACTERISTIC HAZARDOUS WASTES: D001 - IGNITABLE, D002 - CORROSIVE, D003 - REACTIVE, AND D000 - TOXIC. ON OR ABOUT NOV. 19, 1980, THE RESPONDENT SUBMITTED A PART A PERMIT APPLICATION TO EPA TO TREAT, STORE, OR DISPOSE OF HAZ ARDOUS WASTE, AS REQUIRED BY SECTION 3005(E) OF RCRA, 42 U.S U.S.C. SEC. 6925(E).