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CLEARWATER <br /> G R O U P I N C <br /> Ennronncnro[ $ wcrs <br /> Attachment 4 <br /> Closure Document Application Checklist <br /> The following cross references the attached Appendix B form The sources of the information <br /> requested are noted, and the reviewer is directed to the appropriate report for satisfaction of the <br /> stated criteria <br /> 1 Per conversation with Harlan Knoll of the PHS/EHD, a sensitive receptor survey completed by <br /> Exxon for their 4444 North Pershing site shows no water supply wells to be present within 2000 <br /> feet downgradient of the subject facility Given the proximity of the subject site to the Exxon <br /> facility, the completion of an additional study is unnecessary <br /> 2 Refer to any of the provided reports for required maps, etc Selected maps provided as Exhibit <br /> 1 to tlus Attachment <br /> 3 Cross sections have not been generated and do not appear necessary to evaluate contaminant <br /> distribution Abundant soil boring logs have been presented in attached reports Soil borings <br /> • provided as Exhibit 2 <br /> 4 360 cubic yards of soil sent to Forward Refer to McLaren/Hart report dated July 15, 1993 for <br /> details, manifests, etc Copies provided as Exhibit 3 <br /> 5 See latest quarterly for location of wells on-site To be abandoned upon concurrence by <br /> PHS/EHD with closure request <br /> b Tabulated data- see most recent quarterly Exhibit 4 <br /> 7 Tabulated data - see most recent quarterly Exhibit 4 <br /> 8 Distribution of contaminants - refer to Kennedy/Jenks May, 1995 report and most recent <br /> quarterly Also earlier generations of investigative reports (attached) Exhibit 5 <br /> 9 Remedial system - n/a <br /> 10 Reports missing from file - should be none <br /> 11 BAT was utilized Excavation appropriate given site conditions, depth of contamination and <br /> absence of recalcitrant additives <br /> 12 Background shall ultimately be attained Data tables show steady decline in concentration <br />