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, <br /> ATTACHMENT <br /> EPA COMMENTS ON THE <br /> DRAFT RECORD OF DECISION (ROD) OF APRIL 1993 FOR <br /> OPERABLE UNIT NO. 1 (OU #1) FOR <br /> DDRW-TRACY <br /> 1, Document Cover and Title Page <br /> As a legal document which commits DD W EPAyato rem the dal of action and is oit isy <br /> signed by the Defense Logistics Agency, <br /> not appropriate for the COE contractor's name and logo to appear on the cover. <br /> Similarly, the contractor's transmittal letter should not be a part of the document. <br /> Corrective Action: Remove all references to a contractor as author of this document. <br /> Remove the contractor's transmittal letter. <br /> Z. List of Acronyms <br /> The definition of GAC needs to be corrected. The use of RA as an acronym for risk <br /> assessment is not recommended (see RI/RA in list) as it can be confused with <br /> mented that <br /> .removal action" or even "remedial action." EPA hasApis ,'DWMU„is mistakenly <br /> Baseline Risk Assessment or BRA is less confusing. <br /> used for "SWMU" <br /> C. Use BRA to <br /> ribe <br /> Corrective <br /> assessmenion: Correct the t throughout this document oCorrect he c onym forcSWMU baseline <br /> risk <br /> 3, Declaration, Assessment of the Site <br /> The sub-heading "Assessment of the Site" is correct nomenclature for standard NPL <br /> e unit "Site" <br /> ed so as <br /> confuse dec decisions f OU #I with thoselshould <br /> -sites." nce this ROD is for an for the Baseas awhole, the sNPL site. not <br /> Corrective Action: Change "site" to "OU #1" in the sub-heading. Review the entire <br /> document for use of "site" and replace with "OU #1" as necessary. <br /> 4, Declaration, Description of the Remedy <br /> The definition of OU #1 needs to be carefully stated here. Although OU #1 is <br /> ination associated with DDRW-Tracy, the parties <br /> ction cleanup targets for some o <br /> ni <br /> defined ni all groundwater contam <br /> rehensive RI/FS. This approach <br /> to the FFA have agreed to defer setting remedial a <br /> the chemical of concern until the ROD for the Come <br /> will allow DDRW-Tracy to further asses question <br /> andeoff Bea S souroes.uThis ROD <br /> concentrations and to identify P on-base <br /> and and <br /> of <br /> sets aquifer cleanup standards for TCE, <br /> 1/40 <br /> EPA/R9 June T, 1993 <br />