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y1 , <br /> µ" TO 6"THK, CONCRETE <br /> PAD <br /> I. <br /> 6 <br /> STANDARD STEEL TRAFFICBOX <br /> k <br /> 1 <br /> i <br /> PLAN j <br /> r <br /> 4" TO 6" THK. CONCRETE PAD <br /> EXISTING GRADE <br /> MI-11 lk ALT i <br /> STANDARD STEEL TRAFFIC BOX <br /> LOCKING <br /> WELL CAP <br /> CEMENT SEAL <br /> BENTONITE PELLET SEAL <br /> r: •~r }; 4—INCH BLANK PVC CASING <br /> rti rti <br /> 1 t•t f• <br /> BOREHOLE <br /> 'rti tr r. <br /> fti tft <br /> 4-INCH PVC CASING (0.024-INCH SLOT) <br /> r: tiro r• —� _ <br /> GROUNDWATER SURFACE (TYPICAL) <br /> t t-t <br /> 1—INCH BLANK PVC CASING <br /> rti ti•t I <br /> rti t{ti f. ` <br /> f; {fti r• CLEAN IMPORTED SAND (LONE STAR <br /> rti ti{ti f. COARSE AQUARIUM OR EQUIVALENT) <br /> rti tier. <br /> r• <br /> rt tf. r. PVC BOTTOM CAP s <br /> t 1•tK•t•t• <br /> ti�ti1• � <br /> rti tirtirti• <br /> r• {.r.r.{•{, i <br /> t {•t.t•t•t. CLEAN IMPORTED SAND (#3 LONE STAR <br /> ti ti tir•r•r•{. <br /> OR EQUIVALENT) <br /> i <br /> BENTONITEICEMENT SEAL <br /> t t t•t•t•t• k <br /> rt f�ftlti <br /> fti t•t•t•t tip• <br /> t t•t•t•t•t• <br /> }• r•r•r•r•r• 1-INCH PVC CASING (0.020—INCH SLOT) <br /> it t•t t•t•t• <br /> • r•f•r•r•{. <br /> f ~l ltirtf l• <br /> l• f~•t t•t•t• <br /> r•r•r•r•r. <br /> PVC BOTTOM CAP <br /> I <br /> SECTION <br /> — NOT TO SCALE <br /> i <br /> FIGURE 4. TYPICAL DUAL COMPLETION—GROUNDWATER MONITORINGIAIR SPARGING WELL <br /> i <br /> . -'''; �:�• f ��.'�" �!!�,'•`:-.�:°i'� i,ii,.tt;:t,.-��w.;�: .n?tyk :H!`r,''ci`:'".�::SL ,r'�f...'t','+�E_ ... .- _ I <br />