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Northeas_ t W-104 W 079 P-173 W-020 W-004 W-108 Southwest <br /> W-112 � <br /> B 5 W M S W-331 -334 <br /> S <br /> Mill W-109 GGW-10 S <br /> T r <br /> Feet a M <br /> MSL L c o <br /> C L <br /> -5 <0.18 H <br /> 0.1 2.3 M <br /> -10 2.1 <br /> ML S <br /> SP M <br /> M <br /> -15 <br /> <0.18 <br /> M U1111=1111 H <br /> CL <0.18 3.7 L <br /> -20 a.7CF <br /> CL <0.22 <br /> O <br /> -25 <br /> -30 <br /> C <br /> S <br /> -35 CL <br /> C <br /> M <br /> -40 <br /> 2.8 S <br /> O SP <br /> -45 0.68 <0.18 <br /> -50 <br /> 0.18 <br /> — R <br /> -55 S <br /> W-1 <br /> ND <br /> -60 Building 214 _-!- _ —- — '_= 4- �—= % P-173 [1z o 7 ,oa <br /> Kr - —7.. _ _� .,_—�_. [3.4 to 13.41 [10 to 1 <br /> W-020 NT D <br /> [10 to 15] <br /> C (PH)I W-078 <br /> P-177 [12 to 17] <br /> -65 W-333 P 178 lk J" <br /> W-080 <br /> [40 to 50]�.. '[40:5 to 45.5] 't-[12 to 17] <br /> PMW-02 W-00_4 <br /> W-332 [49 to�9 D D <br /> [40 to 50] [,O�o 20] (PD/D W-081 <br /> -70 S 7� t 53 ,[12 to 17] <br /> [7.5 10.5] D D <br /> 7 D NT <br /> Depth to Groundwater 3Q2021 i� [ <br /> -75 W-108 <br /> <0.18 Most Recent Cis-1,2-Dichloroethene <0.18 �� [19 to 24] <br /> (micrograms per liter) <0.18 i o(Poco) <br /> � w-2n <br /> <0.18 Most Recent Vinyl Chloride W-331 391to 49 D D <br /> -80 55j <br /> (micrograms per liter) C i [74.5 to 8 jSAT)(S/NT) D-21 <br /> W-2 14 <br /> [22.5 to 27.5] <br /> Well and Well Screen DD <br /> 9 <br /> -85 CH = Fat Clay ,9 to 24] w-107 <br /> CL= Lean Clay �� I' $[19 to <br /> Grab-groundwater Sample ND ND <br /> OL=Organic Clay , Schematic Cross Section Site 4 <br /> ML=Silt Horizontal Scale ' <br /> -90 ❑ Clay SC=Clayey Sand 50 100 feet -215 Rough and Ready Island <br /> 71Silt SM =Silty Sand ' W=11 20 to 25] <br /> SP= Poorly Graded Sand B [34.5 to 49.5] DD Geosyntec� Figure <br /> -95 El Silty Sand or Clayey Sand SW-Well Graded Sand 5x Vertical Exaggeration <br /> consultants <br /> El <br /> Sand or Gravel Boring logs were completed using different drilling and soil sampling methods by different -34 15 <br /> -10 parties over many decades [40 to 50] w-110 WR2501 B June 2022 <br />