Laserfiche WebLink
i <br /> Ground Surface <br /> Locking Cap <br /> I Well Box <br /> I <br /> Clean Soil or Sand <br /> Ifrom bentonite seal to surface plug) <br /> Well Casing <br /> Vadose Zone (4" Sch 40 PVC) <br /> -- - ----- ----- --- <br /> - -- ----- -------- <br /> I =_______ ____-___= Bentonite Annular Seal <br /> =_=_ = - (2' high) <br /> Ground Water Level <br /> At I I -` R- <br /> r r <br /> Pea Gravel Plennum <br /> (extends 2' over screen) <br /> ry <br /> A uifier � � �_ Slotted Casing, 45' to 20' bgs <br /> M `r r"� <br /> Borehole, 36" to 48" <br /> End Cap @ 45' bgs <br /> ( T�r Y<J C_� <br /> I Figure 4 <br /> Schematic of Free Product Extraction Well, EW-1 <br />