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Sharpe Army Depot Boundary <br /> Northwest Jj-A-A'Intersection Site P-4A� Southeast ' <br /> * KMn04 InSitu Treatment Area <br /> vp \c,0 ? Q7\C,p 1 <br /> 40 <br /> \O * Q\ 4 <br /> O V Q' 00 Ql\ QJ\ Q tiMti M^ ti h m�OQ' tpQ' h <br /> �yy yyti nj 3y yM.� �Oti �y0�3`3y �M :33`x,: �Mti 3`3p0 app 3`�3ah <br /> 20- v 3 3 Q, �. ", 4 20 <br /> a a � <br /> 3.22 w <br /> 0 1.57 ---------- - z <br /> 72 I <br /> ---------- <br /> ND , '22 O <br /> 3ND ND 114Q <br /> 0.74 0.59 2.0 1.7_4ND NS ND ryp ryMNDND 0.30 NS ND ryS 3.041.78 NO ND NS ND 0.661.16 ryS ND-20- NS NO 0.77-1 NSND ryS0.341 -20 <br /> NS ND ryMNS2.0 -7. NDS NSND ND <br /> -2.17 -1.07 NS �•S -0.2 <br /> No <br /> -40- ND 0.67-1 5/NS NDS 2.2 1.97 <br /> ND ND -1.44 0.67 ryp 22 -40 w <br /> ND NM -1.11 -074 ND 22 z <br /> 2;6 NS ND 0.17 ND U <br /> D:93-1 N <br /> -2.29 ND NS 15 21D 15 ND -0.46 O7 <br /> _ <br /> _60- ryp NS ND ryp ND NS -46.79 -60 <br /> NS El <br /> 27 NM NS ND <br /> ND NS 13 <br /> � NS-NS ND 9 <br /> ND <br /> aJ y <br /> _80- ND JND -80 <br /> 4) 5 NS ND 0.45 <br /> N NS ND <br /> 05421 <br /> C NS N ND <br /> � -100- NM -100 <br /> -28.64 50 NS -1.33 ND w <br /> +� ND ND z <br /> - 17 -3.69 3-.83 -1.64 NS 18 0 <br /> -120- ND ND ND ryp No 2 NS ND U <br /> 79 9.2 0:471 -2-12 -120 <br /> _ 3:7 <br /> ND ryp ND ND NJ <br /> 8.9 <br /> 0 -6.45 -3.98 ND <br /> ND <br /> M _140- Np ND -140 <br /> > ND ND <br /> W <br /> z <br /> -160- -160 0 <br /> F <br /> Z <br /> Q <br /> _180- Np 1.34 -180 0 <br /> ND ND U <br /> ND ND <br /> ND <br /> -200- -0.83 -200 <br /> ND <br /> ND <br /> ND <br /> -220- 220 <br /> Z <br /> 0 <br /> N <br /> -240- <br /> -260- <br /> 240--260- -260 <br /> 0 500 1000 1500 2000 2500 3000 3500 4000 4500 <br /> Distance (feet) <br /> Legend Lithologic Units <br /> Screened Interval NM Not Measured CL, CL-ML, CH: <br /> 5 22 3Q21 Groundwater Elevation(ft msl) NS Not Sampled clay,silty clay,sandy clay 1 <br /> p H dro eolo is Cross-Section C-C and IA�tnx <br /> Y g g <br /> 6.1 2021 RE co n concentration <br /> (µg/L) SM,SC, ML:silty sand, clayey sand, <br /> 6.1 _2021 TCE concentration(µg/L) ND Not Detected <br /> 5.5 2021 PCE concentration(µg/L) silty,sandy, clayey silt COC Vertical Isoconcentration Profile <br /> 0 Analyte was present, but reported value is estimated SP SW GM GW:sand well-graded sand Groundwater Well Installation <br /> _.__.__. Approximate A Zone Groundwater Elevation,3Q22 g Figure <br /> 2021 Estimated TCE Isoconcentration>ACL(5.0µg/L) silty gravel, well-graded gravel <br /> * Operating Extraction Well Work Plan <br /> 2022 Estimated TCE Isoconcentration >ACL(5.0 Itg/L) Notes: <br /> ** Well Decommissioned (lune 2001) Ground surface elevation ranges from 14 to 27 feet above mean sea level. Sharpe Army Depot <br /> A two letter monitoring well designation(e.g.MW468CD)indicates a well Lathrop, California 5 <br /> *** <br /> Well not sampled due to inoperable pump located at the transition between the two hydrogeologic zones. <br />