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TABLE 1: PHASE II ESA ACTIVITY SUMMARY 125 North Stockton Street, Lodi,CA General Tasks Estimated # Activity Stantec Lead Anticipated Comments Time Frame Subcontractors 1 Evaluate opportunities for participation by PM TBD MBE/WBE subcontractors 2 Obtain cost estimates from Stantec pre- PM or Field Staff Drilling and locating Subcontractors used must be Stantec pre-qualified and qualified drilling and locating subcontractors subs(TBD) applicable task orders must be used. 3 Select contractors and execute PM Drilling and locating contract/task orders subs TBD 4 Schedule contractors PM or Field Staff Drilling and locating Start date will depend on contractor availability and site subs TBD access considerations. 5 Order lab bottles Field staff Pace National Labs 6 Order rental field a ui meni Field staff Pine Environmenta Rent PID and survey equipment,if needed Pre-Field 2-3 weeks Review access agreement and provide notification as 7 Coordinate access w/property owner(s), Field staff appropriate,and make arrangements if necessary for access obtain drilling permits if needed to locked or gated locations.Obtain permits,if required,from San Joaquin County Environmental Health Depertment. 8 Confirm location for temporary storage of Field staff Only limited waste is anticipated(i.e.,one 55-gallon drum(s)o investigative wastes if necessa soil cuttings,one drum of equipment rinsate 9 Mark borehole locations and open dig alert Field staff Mark work locations in white paint and open one-call dig notification with USA North 10 Private utility clearance and geophysical PM or Field Staff Locating sub(TBD) Retain services of subcontractor to conduct geophysical survey surveyfor UST and clear proposed drilling locations 11 Complete and Review Health&Safety Plan Field staff&PM 12 Mobilize to site Field staff 13 Site health&safety"tailgate"meeting Field staff Tailgate meeting should include all personnel onsib 14 Photograph/document existing conditions in Field staff Photograph all areas where pavement or landscaped areas areas to be disturbed may be impacted by sampling activities/e ui men Review results with subcontractor and verify that utilities have 15 Review geophysical survey results. Field staff been cleared or complete utility locating.Assess vicinity of former UST for potential voids/evidence of a tank, 16 Perform soil sampling with geoprobe,install Field staff Drilling sub(TBD) vapor probes in select boreholes, 17 Field screen soil samples with PID Field staff Prior to initial measurements,calibrate instrument per manufacturer's instructions Measure/survey locations for all Measure locations for all sample locations relative to two or 18 borings/probes Field staff more local"landmarks"(building corners,utility poles,etc.)or use hand-held GPS locating equipment 19 Store investigative wastes in secure Field staff Field 3 days location Investigation 20 Backfill borings with bentonite or grout,as Field staff Drilling sub(TBD) specified by permh 21 Verify that all required CA/QC samples Field staff have been collected 22 Prepare soil and vapor samples for Field staff Verify shipping method and sample hold times. shi ment to laborato 23 1 Verify that all samples have been included Field staff in coolers 24 Complete chain of custody form and ship Field staff Pace National Labs Request EQUIS compatible data set be provided with sample sam le coolers to laboratory results 25 Photograph/document conditions upon Field staff completion of field work 26 Confirm receipt of samples by laborato Field staff Pace National Labs 27 Scan all field notes/forms and save on Field staff network 28 Complete all required field forms Field staff Upon receipt of laboratory data,coordinate 29 entry of data into the EQUIIS data PM mans ement tool 30 Complete initial evaluation and validation of PM soil and soil gas data 31 Provide update to City of Lodi on initial PM findings 32 Prepare draft figures and tables for re orl Field staff/PM Data Analysis/ 33 Prepare draft text for report Field staff/PM Reporting 4 weeks 34 Complete Stantec CIA technical revie�% CIA reviewers 35 Complete Stantec CIA independent reviem CIA reviewers 36 Revise report and compile Draft Report for Field/admin submittal to City of Lodi staff/PM 37 Revise report based on comments(if Field staff/PM required) 38 Submit Final Report to City of Lodi and EPA Admin staff/PM 39 Update site information in ACRES IPM ACRES=Assessment,Cleanup,and Redevelopment Exchange Systen PM=project manager EPA=Environmental Protection AgencN CIA=quality assurance GPS=global positioning satellite QA/QC=quality assurance/quality contro MBE=minority-owned business enterprise TBD=to be determined PID=photoionization detector WBE=women-owned business enterprise