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NOTES: <br /> 1 When more than one detection was made within the contoured interval,the detected concentrations were added togetherS�o <br /> as calculated. <br /> interval was nd an on concentration <br /> half of the et detection limit was addled t results <br /> the detectedfhe samples concenttrations in the other sampleszed within the and <br /> �a <br /> an average concentration was computed for the contoured interval <br /> 2 If(<)or positive number(i.e. 16)appears next to a boring or a well, a portion of the interval from 5.5 to 10.5 feet bgs was <br /> sampled and tested. If no notation appears,no analysis was performed forthat interval. Str <br /> 3 Semi Volatile Organic Compounds on target compound list analyzed by EPA Method 8270 using Gas 1014 @ tOt'@r <br /> Chromatography/Mass Spectroscopy(GC/MS). pass <br /> ..®.. .a.. .• .. .. .. •. .. ..�..�..�..�..�..�..�•.�•.�..�..� .. . <br /> .y �_ _,ter WS <br /> CQ <br /> .�..�..�..�• �� PumpLocavon—ii <br /> � . <br /> A/C Paved Parking Area ; <br /> ' Station House I <br /> ---+---+--F----+ ----+ +---.+__-_+ _-I- --+ +---- t L. +. -_-+- _...{r.-._. _-1 - i------+----+------+----+--- ---t-----+-----+-----4 I --+_.---+�---+---- F --+----+------f---r--- -F._-----+---+-_.---+-_----+--. + _-.-+--i---- <br /> �, - <br /> -� +. -+-__.. + ---+- -+---._ +_.----+-- - +----+---+------+ +-----t---+---.-1------+- - ----I 1 + -� 1 1 --i I -+--- -----+---+--T--+- <br /> - F -,---T F----F- <br /> �— <br /> 826 <br /> ! A/C Paved Road ��• -a,; •((330) A/C Paved Road <br /> 'l ( <br /> TY810 -9 <br /> S ockp4k 1111, Ak, <br /> �fA- ! <br /> v Sal -- - TY89 • # ,�, ,.:., # V �5-�` <br /> c <330 • # ®\J EngineHou <br /> So <br /> # X TY824 - <br /> Communications _ - _ _ —-� # 9- ---- Fuel ranks_ ,j #•(-330 �..it :TYB23 •�•• <br /> Facility + - � — _ e TYB13 - -_;„��-_.-t-- •(<_o) �' LEGEND <br /> ,� !� + •�.••/• Mw-2A & A-Zone Monitoring Well Location <br /> rPCAPond _ +- TYB22 ••/' <br /> Excavation = ! # �_ •TYB2 ./ MYY_38 <br /> B-Zone Monitoring Well Location <br /> ••/ <br /> Illc <br /> •TYB1 I•`/•,/ ® C Zone Monitoring Well Location <br /> rf _ /•' <br /> / (5) Denotes Chemical Concentration Detected <br /> ! l - i INT RVALGUR <br /> (µg/kg) (<)• Denotes Concentration Not Detected <br /> SioCxpi led i } •./ <br /> 5,000 <br /> so / t _a- Above the Method Detection Limit as Noted <br /> / Building <br /> Stockpiled '' �.•� • r20,000� Road or Paved Area <br /> son <br /> f � �40,000� <br /> j' #.001 <br /> �••�••s SPTCo Property Boundary <br /> ;• - - Existing Fence <br /> + + - Railroad Tracks <br /> Limits of Impoundment Excavation <br /> lam__ Approximate Scale in Feet _ _ _ _ _ W.S.LD Irrigation Canal (Buried) <br /> 0 120 <br /> Fig]No.: <br /> Industrial Compliance ISOCONCENT RATION MAP 4 <br /> TOTAL SEMIVOLATILE ORGANIC COMPOUNDS <br /> a AmeniSul aia y i SP IN SOIL AT 5.5 -10.5 FEET BGS �Environmental Sys➢ems,Inc.. SOUTHERN PACIFIC TRANSPORTATION COMPANY <br /> ProectNo.: 0$100254 Dam: 03/09/94 TRACY YARDsoyawn Lynn Fischbeck chked By Mike Purcell TRACY, CALIFORNIAass <br /> Trcy-254/RI.0294/F.4-5 4102 <br />