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m <br /> Post-excavation sod sam le results from the formergasoline USTs Excavation I <br /> Sidewall sample 28 fl bgs Bottom sample 30 fl s <br /> TPH Is mgAg 3m k i o <br /> Benzene 1 72 mWkg ND <O 05 m <br /> Z <br /> Toluene 5 01 m ND <O 05 mcilk N <br /> Eth (benzene 0 58 mglkg ND <O 05 m k W Z <br /> NORTH InIenes 3 83 m fk NO <0 05 mg/kg) SOUTH a F <br /> LL <br /> A —20' WEST OF A—A' A' <br /> FORMER WASTE OIL UST , <br /> ' (D U-) O EXCAVATION LOCATED 0 <br /> "' '` — C14 50' `�'°' z <br /> CL 5- WEST OF CROSS---SECTION A—A' <br /> Z <br /> Y <br /> m m � <br /> xGROUND GROUND LLI o <br /> SILCSURFACE T <br /> SURFACE <br /> = a <br /> _ - -- - CLAY ' <br /> - - - - - - <br /> BACKFILL i� ',y/�/�-r SANDY <br /> j - _ GASOLINE CLAY <br /> dt <br /> UST <br /> EXCAVATION ry <br /> - - - - - D —20 �* <br /> —20 _ -- _- �. CL.AYEY-SAND <br /> CLAY _ _ _ _ _ _ LA SANAco <br /> D. - <br /> LU <br /> OD <br /> _ <br /> SANDY s o <br /> ` � y � CLAY W <br /> —40 W <br /> I \ 1 —40 p awo <br /> - - - <br /> CL <br /> {' r H- oma <br /> _ �„,oz <br /> `� <50 _- -- - - r -� ' II/ 5� f ` Sj�'I/S N(� SANDY `54 v a <br /> ' C CLAY o 50 <br /> m <br /> - 02,00 <br /> , y <o so_ �� � �- .r ti � �- � < IBJ _j,~ _• _ _ _� a r % 120 - - t _ <br /> —60 �/ ,/ `\ r0 50 \� -c" - c - AYEY- - - - -- —60 n o x m <br /> ? �sC ��� A�X- SfLT v�� o <br /> �� \\\\�CL E77 Y'SA\N\�'\� \�' SANDY —80 Q i <br /> —80 ~CC /�i�` <br /> yY y < �� . . Asa r _ CLAY Q <br /> `y 5q,�C f � �/� SILT <D �\,� \i "� `50 Z U <br /> t/ A \A �r c050 Q -,:o <br /> � 0 O <br /> �` v <0 50 \. `r _ <0 30 us ¢ � <br /> \ �, �0 50 f ✓�— f� Jl <0 50 -- — —— <0 60 E' ❑Z W Z <br /> - - - - - - - - - U 00D� (O <br /> W M H W 0 0 <br /> I NF F'J <br /> —100 —100 C/) _J490 <br /> �VULL Z (0 <br /> V PZa,- a 0 <br /> a a <br /> U 0 C) o � <br /> LEGEND L)x T <br /> FILL Q O � <br /> SILT WELL SCREEN 0 <br /> Y T <br /> V)SILT/SAND <br /> DEPTH TO WATER (1/06) { (J) <br /> ' SILTY CLAY f 20 <br /> m GROUNDWATER QUALITY_DATA(1106) I <br /> o CLAY TOTAL PETROLEUM HYDROCARBONS AS 11GURE NUMBER <br /> CLAYEY SAND TPH <50 GASOLINE(ug/L) <br /> B <D 50 BENZENE(ug1L) �_� <br /> 0 <br /> MTBE <0 50 METHYL TERTIARY BUTYL ETHER(ug/L) <br /> P�r <br /> m � <br /> SAND <br /> 0 1 2 DCA <0 50 1 2 DICHLOROETHANE(ug1L) <br /> SANDY CLAY <br /> ¢ NA NOT ANALYZED 0 20 SHEET NU4BER <br /> SCALE W FEET <br /> v= <br />