Conceptual Site Model - Argonne National Laboratory

WVDP Phase 1 CSAPRECORD OF REVISIONSDate Section Revision Reason11/30/2010 WholedocumentStandardized references to “surfacesoil,” “surficial soil,” “subsurfacesoil,” and “buried soil” throughoutPer NYSERDA comment 111/30/2010 Throughoutdocument11/30/2010 Throughoutdocument11/30/2010 Throughoutdocumentthe plan to avoid confusion.Removed references to compositesampling and revised the text toinclude only discrete samplesRe-defined surface soil samplingintervals as 0 to 15 cm and 15 to100 cmCalculate 0 – 1 m surface soilactivity concentrations using resultsfrom 0 -15 cm and 15 -100 cm soilsample results rather than measuringthem directly11/30/2010 Various Added text clarifying thatcharacterization of surface andsubsurface soils beneath hardstandsmay be deferred until their removalas part of Phase 1 DP activities11/30/2010 Allappendices11/30/2010 Throughoutdocument11/30/2010 Section 2.1,bullet 14Modified description of historicalcontaminant releasesMade typographical correctionsAdded text added to clarify thatgeotechnical informationrequirements for WMA 1 and WMA2 walls will be determined by theremediation contractor assignedwith responsibility for their design.11/30/2010 Section 2.3 Added text to indicate Lagoons 4and 5 are within Phase 1 scope11/30/2010 Section 2.3 Added text to describe CISFconstruction activities planned forWMA 611/30/2010 Section 6.5 Added text to indicate GWS datamay be inconclusive regardingcontamination status of surface soilsin areas where surface soils havebeen reworked11/30/2010 Section 6.5 Added text to indicate that Phase 1sediment CG values apply tospecific defined portions of ErdmanPer DOE requestTo improve understanding ofvertical distribution ofcontaminationTo improve understanding ofvertical distribution ofcontaminationTo facilitate access of exposed soilsurfaces and improvecharacterizationTo improve consistency andreadability and to reflect additionalavailable information and to addressNYSERDA comment 28NYSERDA comments andArgonne editing commentsPer NYSERDA comment 3.Per NYSERDA comment 4Per NYSERDA comment 5Per NYSERDA comment 9Per NYSERDA comment 10Rev. 1ix