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LEGEND: <br /> —––— PROPERTY LINE <br /> —x -- FENCE <br /> -I�-MW-5S EXISTING SHALLOW GROUNDWATER <br /> MONITORING WELL <br /> •¢i-MW-5D EXISTING DEEP GROUNDWATER <br /> MONITORING WELL <br /> cAAOIE oom APPROXIMATE GROUNDWATER FLOW DIRECTION <br /> h- AND GRADIENT ON FEBRUARY 12,2003. <br /> Y MW-2 <br /> + (c2) (19,000) CONCENTRATION OF MTBE(ug/L) <br /> \+ ON FEBUARY 12,2003 <br /> \+ 1 DENOTES MtBE CONCENTRATION <br /> \+ d MW-' # ON APRIL 1,2003 <br /> \+ Y /12 <2 MtBE CONCENTRATION LESS THEN DETECTION LIMIT NOTED <br /> \ <br /> +\ NS NOT SAMPLED <br /> +\r <br /> C <br /> \+ B <br /> + <br /> + MW-8"I MW-4 <br /> . A ha.aaalT (150) <br /> A=DISTANCE FROM PUMPING WELL TO THE <br /> DOWNGRADIENT LIMIT OF THE CAPTURE ZONE: - <br /> =Q/2pTI MW-61)\ <br /> =1.14 cu ft/min/(2p)(1.4 sq ft/min)(0.0039) MWS \*\ <br /> =35 FEET Mal . <br /> B=DISTANCE FROM THE PUMPING WELL TO THE STAGNATION \+ �� <br /> LINE PERPENDICULAR TO THE OVERALL GROUNDWATER FLOW \ <br /> DIRECTION OR THE RADIUS OF THE CAPTURE ZONE: + .A MW-53 <br /> =Q/4pTI (1,200/ <br /> =1.14 cu ft/min/(4)(1.4 sq ft/min)(0.0039) \+ 11 <br /> =52 FEET MW-5D \ 11 <br /> (<2) Y""J,-MW- 3 <br /> C=MAXIMUM RADIUS OF THE CAPTURE ZONE AS THE +� (<2) <br /> UPGADIENT DISTANCE FROM THE PUMPING WELL x (<21 <br /> APPROACHES INFINITY: <br /> =Q/2TI <br /> 3 min/(2)(1.4 sq fVmin)(0.0039) ��--x—x— <br /> =105 FEET - <br /> 0 <br /> wa WHERE: - 0 30 BO <br /> Q=PUMPING RATE=1.14 cu fVmin <br /> 2 T=TRANSMISSNITY-1.4 sq tVmin APPROXIMATE SCALE FEET <br /> O 1=HYDRAULIC GRADIENT=0.0039 <br /> U <br /> m - REFERENCE:THIS FIGURE IS BASED ONASURVEY MAP PROVIDED DRAWN <br /> o BY MORROW SURVEYING.AND IS INTENDED FOR GMH <br /> ILLUSTRATION ONLY.MTBE CONCENTRATION DATAFIGURE 3 <br /> gppB <br /> AND GROUNDWATER FLOW DIRECTION IS FROM A ,IIII/. WEB CHEVRON SERVICE STATION 9-1452 <br /> x REPORT PROVIDED BY GETTLER-RYAN,INC.DATED �I(�/U <br /> Q MARCH 17,2003. '�TE 334 EAST MAIN STREET <br /> < S E C O R JOB NO. <br /> RIPON.CNJFOflN1A <br /> CAPTURE ZONE CONCEPTUAL MODEL <br /> 4 TRiN 01 Ar9m mF9 <br />