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r <br />FOOTHILL ENGINEERING <br />.2793 PADDY CREEK LANE LODI, CA 95< <br />2091368-9381 fax 209/367-1163 <br />PROJECT: SUNWEST LIQUORS GROUNDWATER VOLUME FOR DISPOSAL <br />DATE: 7/22102 <br />CALCULATIONS TO DETERMINE THE VOLUME OF SROUNDWATER TO PROCESSED TO <br />CLEANUP GROUNDWATER CONTAMINATION FORA 140' DIA. CYLINDER 11' THICK <br />D:= 140 FT DIA AQ := 11 FT. THICK AQUIFER <br />2 VOID := .40 4 /o VOIDS <br />Vgw:= D —3.14 -AQ -VOID <br />Vgw = 6,77 x 104 CU. FT. OF GROUNDWATER <br />VgwG.AL:= Vgw•7.5 <br />VgwGAL <br />TIMEp :_ <br />12.60 <br />TIMEp = 29.383 DAYS <br />24 <br />VgwGAL = 5.077 x <br />TIl1Mp = 705.192 <br />GALS <br />HOURS OF PUMPING <br />DAYS OF PUMPING EQUIRED TO COMPLETELY REMOVE <br />THE GROUNDWATEr IN THE CONTAMINATED AQUIFER AT <br />100% EFF. <br />NOTE: THE 6/11/02 MONITORING EVENT DETECTED PATBE cQ 2.9 ug/L IN MW -3 WHICH IS 65' <br />FROM THE EXTRACTION WELL. ALL OTHER MONITORING WELL ANALYZED "ND". A 70` <br />RADIUS WAS USED TO DETERMINE WATER VOLUME IN THE AQUIFER <br />