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Monitoring Well MW2 <br /> ProjaCi Q*vron/Airport -- owner Cmevrx" U S a Inc Drilling Log <br /> Location .,� airport Vy._SLOCYLOn CA project ljnber 203 175 3318 <br /> Date Drilled !1/20/90 Total Depth of file 65 0 ft Diameter a 25 :n See Sete NAA <br /> For Boring Location <br /> Surface Elevation water Level Initial 0 rt 24-hour <br /> Screen Dia 2 in Length 15 ft Slot Size 0 020 to NOTES. <br /> Casing Die 2 In Length 50 ft Type 504 40 PK color refarence fro. Munsell Sof) <br /> Filter Peck ftaterial f2/J? ►bnterer Sand - - Calor Classification systa■ <br /> Drilling Company Sserra Pacrft[ Drilling Method follow Stem Flt t A z in in sample coluan indicates <br /> that no samol■ was retained <br /> Driller Erin Frt,enauf Log by Crala fbberfson oy the sauoler <br /> Geologist/Engineer Allen B Storm License No fG 439-d <br /> Cn <br /> ro <br /> v1n o o a; n a Description <br /> a) a g �g (Color, Texture, structure) <br /> 0 <br /> U �m <br /> 4 Dark reddish brown (5YR2 5/2) clayey silt (stiff aamp <br /> no hydrocarbon odor) <br /> 0 0 <br /> ML <br /> 4 <br /> 0 0 (graces to brown (4OYR5/3) clayey silt <br /> stiff, dry no nyorocaroon odor) <br /> 6 Dark greyish brown (iOYFW121 coarse sandy silt (medium stiff <br /> tt moist no hydrocarbon odor) <br /> Brown (]OYR5/3) silty clay (medium stiff wet <br /> $ o o no nydrocarbon odor) <br /> 0 o CL (moist) { <br /> 12 <br /> c3 c <br /> 14 <br /> 0 0 <br /> Brown (i0YR5/31 silt with clay (medium stiff moist <br /> 15 no hydrocarbon odor) <br /> 18 0 0 ML (trace very fine sans) <br /> No A <br /> 20 <br /> (grades to yellowish brown ()OYFi5/4) fine sandy silt <br /> Rledium stiff, moist. no hydrocarbon odor) <br /> Z) 1111 0 o yel lowish brown 00Yfi5/a1 silty very fine sand (mealu■ dense <br /> sadist. no hydrocarbon odor) <br /> 22 SM <br /> yellowish brown (70YF5/4 fine sandy silt {medium stiff, moist <br /> no hydrocarbon odor) <br /> 24 0 c ML <br /> 266 __ <br /> -` W Page i of 3 <br /> W12ASM <br />