1. SECTIONS 104, 106(A), AND 122 OF THE COMPREHENSIVE EN- VIRONMENTAL RESPONSE, COMPENSATION, AND LIABILITY ACT ( CERCLA ), AS AMENDED, 42 U.S.C. SECTIONS 9604, 9606(A), AND 9622. 2. NORTH RYAN STREET SUPERFUND SITE 303 NORTH RYAN STREET LAKE CHARLES, CALCASIEU PARISH, LOUISIANA 70601 RESPONDENT: ENTERGY GULF STATES, INC. 3. FROM APPROXIMATELY 1916 TO 1931, A MANUFACTURED GAS PLANT OPERATED AT THE SITE BY GSU OR OTHER SUBSIDIARY OR PRE- DECESSOR ENTITIES. THE PROCESS USED TO MANUFACTURE GAS PRODUCED A WASTE BY-PRODUCT KNOWN AS COAL TAR WHICH WAS REPORTEDLY DEPOSITED ONTO THE SITE DURING THE PLANT'S OP- ERATIONS. AFTER 1931, THE SITE WAS USED PRIMARILY AS A SERVICE YARD. WASTE DEPOSITED ONTO THE SITE DURING GSU'S PERIOD OF OWNERSHIP REPORTEDLY CONSISTS OF COAL TAR WASTE FROM THE MANUFACTURED GAS PLANT AS WELL AS ELECTRICAL E- QUIPMENT AND OTHER DEBRIS. VISIBLE CONTAMINATION AND RELATIVELY HIGH CONCENTRATIONS OF PAHS, PCBS AND BTEX PARAMETERS HAVE BEEN FOUND IN THE SUBSURFACE AT DEPTHS RANGING FROM 6 TO 20 FEET BELOW THE SURFACE IN THE SILTY CLAY ON THE WEST SIDE OF THE YARD KNOWN AS THE EXPOSED TAR AREA. COMPARATIVELY HIGH CONCEN- TRATIONS OF PAHS HAVE BEEN DETECTED IN THE SEDIMENTS OF THE CALCASIEU RIVER WHERE THERE W