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30 November 205 <br /> AGE-,NC ect " <br /> t Prod No 96-0235 " <br /> s page ^ ^ <br /> * ' 251 <br /> Drilling and Sampling, <br /> i <br /> The ten -so,l pilot borings for monitoring wells MW16 through MW-24}and EW-1, were advanced <br /> using a CME-75 (HT)drill rig, e iii25;-inch <br /> q peed with g diameter Hollow-stem augers The drill ri <br /> and three-man crewweresupplied by Cascade Drilling Incorporated under licence number 717510 ~ <br /> The ermit v <br /> P (No 43934) for the &=lung Was issued by the EHD on 15 September 2005 Soil auger <br /> ' returns generated by dril ling were containerized in properly bins and disposed of at Forward Landfill ` <br /> I The need for soifmmples was removed, based on the previous soil sampling ' f <br /> test'of the soil[across the site' and cone penetration <br /> d ' <br /> � C52 WellC .Y } <br /> - � - ompletioris_ <br /> Pilot boring EW-1 was completed as ground water monitoring wellsiusin two-inch L <br /> casing with 0 020-inch"slotted screen The screen was installed from approximately inch dameter PV <br /> C r <br /> bsg in boring EW 1 with blank casing extended to the surface The filter pack o3 0 feet to 30 feet T <br /> s <br /> Was installed from approximately $ feet to 30 feet bsg A nomp p <br /> nominal 2-foot bentonite chilu viral <br /> then installed above the filter'pack and hydrated " L g 5 <br /> z , Y <br /> "Pilot borings MWI6, MWIg and MW2'1}were completed as ground water monitoringa wells using <br /> "two-inch diameter-PVC casing with 01020-inch slotted screen The screen was installed -from <br /> approximately 75 feet to$5 feet bsg with blank casing extended to the surface The filter pack(No <br /> 3 Lone star sand)wasriristalled from approximately 73 feet to$5 feet bsg A rnimmal 3-foot bentonite <br /> P plug was then installed above the filter Oack an=d hydrated <br /> Pilot borings MW 17, MW19 and MW20 were completed as ground water monitoring <br /> Vwells using, , <br /> two-inch diameter PC casing,with`Q 020-inch slotted screen The screen was installed from <br /> r <br /> - I approximately 95 feet to,]05`feet bsg with blank casing extended to the surface The fit <br /> `,R3 IJonestar'sand) was I=nstalled from approximately 93 feet to '105 feet,bsg y A min ririalC3;[oat <br /> bentonite llet 'plug <br /> Pe P g was then installed above the f Iter pack and hydrated <br /> + a <br /> I 'Ilk <br /> Pilot borings"MW1'7,IMW19 and MW20 were"completed as ground water riiomtoriri wells <br /> " two-inch diameter PVC casing with 0 020-inch slotted screen 'The screen w , g is using <br /> r , <br /> ,in�talled from <br /> approximately 9S fcet'to 105 feetrbsg with blank'casing extended,to jthe surfaces The filer pack <br /> (No 3'Lone' sand) was installed from approximately 93`feet to 105 feet bsg A minimal`3-fo6t <br /> bentonite pellet plug was then installed above the tilte pack and hydrated <br /> }! ,The wells were bailed to aide in the settingrofthe filter material The wells were then ro ' <br /> the surface with Portland cement �Water-tight, traffic-rated well boxes were then installed overr car <br /> the ` <br /> S ,,wells' As-built well diagrams are depicted on the boring logs in Appendix C , <br /> ` 1 Advaneed GeoEnvironmental,inc <br /> 4 i <br />