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I <br /> --- ----"---------------------------------- ------- <br /> Utilize LNAPL transmissivity _ <br /> C®mplimentary Lines of Evidence <br /> calculated from baildown testing i <br /> analysis to calibrate LNAPL velocity - <br /> calculation to match site conditions I LNAPL observations in <br /> I <br /> 4 monitoring wells <br /> ----------------------- ........... <br /> LNAPL field and <br /> LNAPL is Does calculated` <br /> i ? Assess whether LNAPL <br /> residual saturationsLNAPL s functionally LNAPL pore velocity YES_ r _ plume footprint is expanding <br /> immobile- exceed 1x10'6 cm/s? mobile <br /> l® due to LNAPL migration <br /> _ --- -_ LNAPL pore velocity <br /> .= calculations <br /> YES <br /> i4 LNAPL baildown <br /> testing <br /> 'Does field LNAPL Does LN.APL� <br /> LNAPLis ? : thickness at plume '� , -_.. .- <br /> saturation exceed ND- - YES------ LNAPL ore-Brat <br /> --ND------ saturation p -entry <br /> immobile periphery exceed <br /> �_ _residual saturation?; � --" 1 <br /> `4" entry pressure?-' pressure calculations <br /> 2 <br /> 1. <br /> Dissolved-phase <br /> APL <br /> (LNAPL plume is stable LNAPL plume may be j <br /> YESand not migrating `. migrating - plume stability <br /> Do LNAPL <br /> i <br /> y observations in wells' Is dissolved-phase <br /> LNAPL piu;me' obse _ .-YES--:-- <br /> is migrating J indicate.LNAPL plume stable? <br /> ,,plume stability?, 6 <br /> I Collect site data to } Develop monitoring program <br /> develop LNAPL conceptual i to verify and. assess plume _ ,NIa ,PACIFIC RAILROAD COMPANY <br /> site model migration <br /> FORME <br /> TRACY CAL FpRN A FACILITY <br /> PHASE II FIELD INVESTIGATION AND LNAPL <br /> MOBILITY EVALUATION REPORT <br /> LNAPL MOBILITY ASSESSMENT LOGIC <br /> FLOWCHART <br /> FIGURE <br /> ARCADIS <br /> 11 <br /> { <br />