1. SECTION 106(A) OF THE COMPREHENSIVE ENVIRONMENTAL RE- SPONSE, COMPENSATION, AND LIABILITY ACT ( CERCLA ), AS AMENDED, 42 U.S.C. SECTION 9606(A). 2. TEX TIN CORPORATION SUPERFUND SITE - OPERABLE UNIT NO. 1 FM 519 AND STATE HIGHWAY 146 TEXAS CITY, GALVESTON COUNTY, TEXAS 77590 3. OPERABLE UNIT NO. 1 (OU1) OF THE TEX TIN CORPORATION SUPERFUND SITE IN AN INACTIVE TIN AND COPPER SMELTER LO- CATED ON APPROXIMATELY 130 ACRES. THERE ARE A NUMBER OF DISCREET AREAS OF CONTAMINATION FOUND ON OU1: DETERIORAT- ED ABOVE-GROUND STORAGE TANKS, A SERIES OF ACID PONDS, SOME BACKFILLED WITH OTHER MATERIALS, WASTEWATER TREAT- MENT PONDS, A LICENSED LOW-LEVEL RADIOACTIVCE MATERIALS LANDFILL, AND EXTENSIVE ACREAGE COVERED WITH SLAG, HEAVY METALS CATALYSTS AND ASH, AND DEBRIS. SIX STUDIES IDENTI- FIED A NUMBER OF HAZARDOUS SUBSTANCES AT OU 1. LIQUID WASTES IN THE ACID POND, SPENT CATALYSTS, SLUDGE IN THE ABOVE-GROUND STORAGE TANKS, AND SLAG WASTE PILES CONTAIN- ING CONCENTRATED NATURALLY OCCURRING RADIOACTIVE MATERIAL (NORM) WERE IDENTIFIED AS PRICIPAL THREAT WASTES BECAUSE THE CHEMICALS OF CONCERN CONTAINED IN THESE SOURCES ARE HIGHLY TOXIC OR HIGHLY MOBILE. OU1 IS LOCATED WITHIN 3 MILES OF GALVESTON BAY. A DIRECT STRIKE FROM A HURRICANE INTO THE TEXAS CITY AREA COULD CAUSE SIGNIFICANT RELEASES FROM OU1. THE NEED FOR EMERGENCY