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nlnnFi q��„i,n�- cif <br /> n nn <br /> I cI- <br /> —... 8t etl .I <br /> r_ I � )aH , <br /> ra <br /> • / .. SA•5 <br /> ' -,� .. A_ •- •:. HSA-0 - <br /> r.s <br /> 1154-'4 <br /> 1 A`., <br /> • • ,�r • -A <br /> HS 2 HSA. <br /> •' • p f� • <br /> -... _: CP7A3 I .. _.. '1, —CPT-04 ''- R 'oto'.S;;.0 n q, • (� <br /> HSA-JO HSA-2l HSA-3 HSA-33 1 • . <br /> HS-35 _ <br /> HSA"37 HSA-38CPT-05 HMS 39 CPT-08 HS HS 1 ~ <br /> g HS a <br /> f <br /> ' HSA-02 HSA-43 HSA-44 HSAiB <br /> HSA�7 XS <br /> HS 50 HSM51 HSA-52I <br /> 8 \ <br /> e - <br /> b+. _. _,2 :1 '3 <br /> LEGEND NOTES F <br /> SOIL SAMPLE LOCATION AND MAXIMUMARSENIC —}RAIL LINE 7.ALL LOCATIONS ARE APPROXIMATE <br /> • CONCENTRATION IN 0 TO 3-FOOT INTERVAL <br /> STREET 2.INTERPOLATION USING BOX COX TRANFORMED DATA IN <br /> NATURAL NEIGHBORS. <br /> ' DTSC IDENTIFIED FIRING POINT L 3.CPT=CONE PENETROMETER TEST <br /> SITE BOUNDARY 4.HSA=HOLLOW STEM AUGER <br /> Q PROPOSED CPT WITH SEISMIC(100 FT) L 5.BTV=BACKGROUND THRESHOLD VALUE(30.7 MG/KG) <br /> SITE 47 BOUNDARY 6.MG/KG=MILLIGRAMS PER KILOGRAM <br /> PROPOSED CPT(50 FT) ARSENIC SURFACE(43 FEET) 7.DTSC=DEPARTMENT OF TOXIC SUBSTANCES CONTROL <br /> i A CONCENTRATIONS(0-3 FE 8.XRF=X-RAY FLUORESCENCE SITE 47 <br /> �i 9.FOR LOCATIONS WITH FIELD DUPLICATES,THE PRIMARY <br /> PROPOSED HSA BORING(10 FT) y+� RDUGH ANo 7tEnov ISLAND <br /> _�303 SAMPLE DATA WAS PLOTTED.FOR SAMPLES WITH MULTIPLE nr� PORT OF STOCKTON <br /> PROPOSED HSA BORING(20 FT) LABORATORY ANALYSES,THE AVERAGE ANALYTICAL VALUE WAS STOCKTON.CA <br /> _30.8-92 PLOTTED, <br /> 10,SOURCE:GEOSYNTEC CONSULTANTSAND ANCHOR QEA,2018. <br /> PROPOSED MSA BORING(30 FT) SITE 47 DATAGAP INVESTIGATION WORK PLAN. <br /> 92.1-153 <br /> ROUGH AND READY ISLAND,PORT OF STOCKTON.JULY 78. SITE PLAN <br /> PROPOSED HSA BORING(50 FT) 11.AERIAL IMAGERY SOURCE ESRI <br /> O >153 0 tiro ano <br /> PROPOSED ENVIRONMENTAL SAMPLING SCALE IN FEET <br /> IZ -- 1214 <br /> SITE FEATURE AUGUST 2020 FIGURE 2 <br />