Atlantic Richfield Company Former AWC Plant Site Hastings-on-Hudson, NY 10706   Three August 2006 Submittals   8.24.06 Letter to NYSDEC - Reducing Extend of Berm in the Hudson River at the Former AWC Site   8.29.06 Letter to NYSDEC - Dredging Options to Maximize PCB Removal Conceptual Remedy Options 8.30.06 Supplemental Information on DNAPL Location and Migration Est Potential for DNAPL, Jan 1992 Foundation Piling as a Pot Cond for DNAPL Migration, Jun 93 DNAPL Site Characterization, June 1993 Eval likelihood DNAPL at SF sites 09-93 Engineering & Design MultiPhase Extraction, June 1999 DNAPL Source Reduction, April 2002 An Intro to Characterizing DNAPL Sites, Sept 2003 Assng the feasibility of DNAPL Source Zone Remediation, May 2004 DNAPL Site Characterization, Sept 2004 BP Letter to George Heitzman Aug 30, 2006