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West East <br /> AA' <br /> Former UST Locations ao <br /> 0 <br /> > > cn Former Pump Island 0 <br /> FILL ---FILL-FILL <br /> -- -- ------ ------------- --- <br /> •ND/ND/ND ND/ND/ND ALLUVIUM Clay ---------y y---------------- ------- <br /> ___———_� Cla e Sand ND/ND/ND <br /> _ ——————————————— ---___------------------------------------- -------- <br /> 10 Clay ND/ND/ND ND/ND/ND ND/ND/ND Clayey Silt ND/ND/ND 10 <br /> Silty Sand ----------------------- ——————— <br /> Clayey ND/NDLND {UST;1 1 UST t + Clayey Silt ND/ND/ND ND/ND/ND ND/ND/ND __ ND/ND/ND <br /> \Silt 2,000/NT/ND 1.3/NT/ND-" ——_——____— Clayey Sand <br /> 20 ND/ND/NQ --=— _______--` NDLND/ND ND/N_D/ND -20 <br /> — ------------- — <br /> a� 05 <br /> --——————————————� -- Silt Sand --------- ————————————————--————————————————— N----0--- <br /> °� ND/NDLND s ----y_______ ------ ------- <br /> _ Sand 0_2/ND/ND —^ ——————_ Sandy Clay ND/ND/0.016 <br /> __ ---- --------------------------------- <br /> 30 <br /> Clayey Silt NDMD/ND = ------ ND/ND/ND Y Y ------ ——————— <br /> is s Cla e Silt <br /> Clayey Silt ND/ND/0.014 30 <br /> ----__---------- _ ——————— —————————--——————————— —————————— ———————————— ————————————————— ——————— <br /> ————— ND/NDLN — Sandy Silt <br /> D •ND/ND/0.25 —— <br /> N D/ND/ND <br /> Sandy Silt _— Silty Sand <br /> ND/ND/0.010 <br /> a Silty Sand ___—� r ---- -------___ <br /> 40 — 1/ND/ND ----- _ -- ——————————— _—_____ -—————————-------- ------- 40 <br /> o ———— Clay ND/ND%ND 2. <br /> C3 �r :. ClayeySilt —————— ------------------------------------------ ——————— <br /> Sandy Clay ND/ND/0 045 <br /> ——————————————— DMD/0-064 50/N D/OJ8 N D/N D/0.12 <br /> 3 ND/ND/0.16 <br /> o _ - - —= -------- — --- Clayey i <br /> lt <br /> m 50Clayey Silt NDMD42 200/ND/0.19 ————————————- <br /> - <br /> ND/ND/ -- --------- — --= ---------- ———————— <br /> Clayey Sand ---— --- <br /> N6ND/0008 SiltySa ND/ND/0.006 <br /> Silty Sand —— <br /> ----. -----.-.-.---.-.-.. - -......— ---� -------------- ----------------------------------- r---- ----- <br /> 60 --- -- <br /> ................................................................� <br /> NO/NDlNQ 1.3/ND/0.088- ND/ND/ND 60 <br /> Sand <br /> 1.3/ND/0.13 Sand ND/ND/ND 0 ND/ND/0.054 ND/ND/ND <br /> 70 ND/ND/0.009 ND/ND/ND __——___—__6 ND/NDMQ___ 70 <br /> ---------------------- Silty Sand <br /> — <br /> ---------———————————————————————————— ————---- _— Clay ND/ND/ND <br /> 80 — <br /> 80 <br /> 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 <br /> Scale in Feet <br /> LEGEND: <br /> CV <br /> IU) Boring Location <br /> 120/10/ND Concentration of TPHg/TPHd/Benzene in mg/kg (ppm) <br /> UST 1-1+ UST Removal Soil Sample Location • • <br /> ND Not Detected Above Test Method Detection Limit; Detection Limit=1.0 mg/kg(ppm) <br /> ENVIRONMENTAL CONSULTANTS INCORPORATED <br /> NT Not Tested 3235 SUNRISE BLVD.-SUITE 6-RANCHO CORDOVA,CALIFORNIA 95742 0) <br /> PHONE 916 852-9118-FAX 916 852-9132 <br /> T••• Approximate Depth to Groundwater-10/23/96 Caltrans Stockton Yard Maintenance Facility <br /> ——— Approximate Geologic Contact 1604 South B Street <br /> Stockton, California CROSS SEC'T'ION <br /> ——————— Stratigraphic Contact A — A' <br /> TPHg = Total Petroleum Hydrocarbons as Gasoline GEOCON Proj. No. S8100-06-11C <br /> Estimated Limits of Petroleum Hydrocarbon Impacts TPHd = Total Petroleum Hydrocarbons as Diesel Fuel <br /> Task Order No. 10-911175-12 December 1996 Figure 3 <br />