2009-09-25_PERMIT FILE - M2009076 (42)

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#TMA TABLES, MEMORANDA, ATTACHMENTS #RS UNITED STATES ENVIRONMENTAL PROTECTION AGENCY 0 FINAL RESPONSIVENESS SUMMARY OPERABLE UNIT NO. TWO OF THE CLEAR CREEK/CENTRAL CITY SUPERFUND SITE CLEAR CREEK AND GILPIN COUNTIES, COLORADO MARCH 1988 THIS RESPONSIVENESS SUMMARY FOR OPERABLE UNIT NO. TWO OF THE CLEAR CREEK/CENTRAL CITY SITE WAS PREPARED BY THE U.S. ENVIRONMENTAL PROTECTION AGENCY (EPA) TO DESCRIBE THE ISSUES RAISED BY RESIDENTS OF CLEAR CREEK AND GILPIN COUNTIES, THE COLORADO DEPARTMENT OF HEALTH, AND OTHER INTERESTED PARTIES REGARDING EPA'S ACTIVITIES IN THE AREA AND TO SUMMARIZE EPA'S RESPONSES TO THOSE ISSUES. EPA IS CONDUCTING A REMEDIAL INVESTIGATION AND FEASIBILITY STUDY (RI/FS) AT THE SITE TO DETERMINE THE NATURE AND EXTENT OF CONTAMINATION THAT HAS RESULTED FROM HISTORIC MINING ACTIVITIES IN THE AREA, TO DEVELOP WAYS OF REMEDIATING THE CONTAMINATION FOUND AT THE SITE, AND, FINALLY, TO SELECT THE MOST APPROPRIATE REMEDIAL ACTIONS. A RESPONSIVENESS SUMMARY IS REQUIRED UNDER THE COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPENSATION, AND LIABILITY ACT (CERCLA) OF 1980 (THE "SUPERFUND" PROGRAM) AS AMENDED BY THE SUPERFUND AMENDMENTS AND REAUTHORIZATION ACT (SARA) OF 1986. THE PURPOSE OF THE RESPONSIVENESS SUMMARY IS TO DOCUMENT PUBLIC CONCERNS ABOUT PROPOSED REMEDIAL ACTIONS AND TO PRESENT EPA'S PONSES TO THOSE CONCERNS. THIS DOCUMENT SUMMARIZES PUBLIC COMMENTS FOR THE PERIOD THAT BEGAN PH THE INITIATION OF THE FEASIBILITY STUDY (FS) FOR OPERABLE UNIT NO. TWO.IN JUNE 1987 CONTINUING THROUGH THE PUBLIC COMMENT PERIOD ON THE OPERABLE UNIT NO. TWO FS REPORT. THE PUBLIC COMMENT PERIOD CLOSED ON DECEMBER 18, 1987; HOWEVER, EPA ACCEPTED COMMENTS THROUGH MARCH 1988. THIS REPORT IS DIVIDED INTO THE FOLLOWING SECTIONS: SECTION I. INTRODUCTION AND BACKGROUND. THIS SECTION PROVIDES A BRIEF INTRODUCTION TO THE SITE AND DESCRIBES EPA'S PREFERRED ALTERNATIVES FOR REMEDIAL ACTION ON OPERABLE UNIT NO. TWO. SECTION II. THE COMMUNITY RELATIONS PROGRAM AT THE CLEAR CREEK/CENTRAL CITY SITE. THIS SECTION PROVIDES A BRIEF HISTORY OF COMMUNITY RELATIONS ACTIVITIES THAT EPA HAS CONDUCTED THROUGHOUT THE RI/FS AT THE SITE. SECTION III. SUMMARY OF PUBLIC COMMENTS RECEIVED AND EPA'S RESPONSES. THIS SECTION SUMMARIZES COMMENTS RECEIVED BY EPA ON OPERABLE UNIT NO. TWO, CATEGORIZED AS FOLLOWS: - COMMENTS AND EPA'S RESPONSES. COMMENTS RECEIVED FROM INCEPTION OF THE OPERABLE UNIT NO. TWO FS UNTIL THE SELECTION OF REMEDY WAS MADE (IN MARCH 1988) AND EPA'S RESPONSES TO THOSE COMMENTS; AND - REMAINING COMMENTS. COMMENTS RECEIVED FOR WHICH EPA WILL PROVIDE MORE COMPLETE ANSWERS AFTER FURTHER STUDY. APPENDIX. CHRONOLOGY OF COMMUNITY RELATIONS ACTIVITIES AT THE CLEAR CREEK/CENTRAL CITY SITE. 1. INTRODUCTION AND BACKGROUND ICE FEBRUARY 1985, EPA HAS BEEN INVESTIGATING PUBLIC HEALTH AND ENVIRONMENTAL RISKS POSED BY MINING WASTES AT THE CLEAR CREEK/CENTRAL CITY SITE. THE MINING WASTES ARE ASSOCIATED WITH THE ARGO TUNNEL AND BIG FIVE PORTAL ON CLEAR CREEK AND THE NATIONAL TUNNEL, GREGORY INCLINE AND QUARTZ HILL TUNNEL IN THE NORTH CLEAR CREEK DRAINAGE. THESE INVESTIGATIONS ARE PART OF THE RI/FS AT THE CLEAR CREEK/CENTRAL CITY SUPERFUND SITE IN GILPIN AND CLEAR CREEK COUNTIES. THERE