conocophillips figure 4c-7g · kinder-morgan storage terminal ... na = not measured

FIGURE 4C

ConocoPhillipsAngeles Refinery at

Carson, California

118~~$~,~oiIR 7 (PROCESS WATER POND)IIrL....... AND SECTIONS

40io

E

SCALE (FEET)

--

.:J

-Iien0.,'-- --.L L .-1

MW-54

ASCON WATSON LANDFILL

IBP ARCO

SOUTHWEST TANKFARM

(DISMANTLED)

1OOJlO'

I!

6

MW-50

oMW-46

MW-13

SEPULVEDA BLVD

. 'V":10'er'I:' .. '/:'./

1/

BP AReo REFINERY

3lIell.ll4' N!IlI' 5ll' 3lI' E

/',:":~',HEw~ONPROPE~l'/, "

,. ,/

GAlE 1/1A MW-33

KINDER-MORGANSTORAGE TERMINAL

EXPLANATION

~ Monitoring Well Screened In BellflowerAqultard

~ Monitoring Well Screened In Perched Water

~ Monitoring Well Screened in Gage Aquifer

R-4--.. Active LNAPL Recovery Well

~ Non-active LNAPL Recovery Well

R-l Non-octlve LNAPL Recovery Well~ with Historic Production

WW-4 Water Supply Well Screened in---.. Silverado Aquifer

V-12 Vapor Monitoring Well Screened In~ Bellflower Aquitard

MW-2MW-33 Abandoned Groundwater Monitoring or~ Vapor Monitoring Well

e Above Ground Storage Tank

SHELLREFINERY

NA = not available, Monitoring wellsdenoted E-# represent wells Installed InShell's former Ethyl Property. WellsMW-11, MW-12. MW-33. and V-11 alongthe north boundary of the property wereabandoned in 1993.

Figure 5

SITE MAP of the CARSON PLANTand SHELL PROPERTIES SHOWING

WELL LOCATIONSConocoPhllllps LAR,

Carson PlantFall 2005

APPROXIMAlE SCALE IN FEET~ MODIFIED FROM A MAP PROVIDED BY CH2M HILL, DATED 1997

N: \ProJects\CanacaPhlllfps\LARGWM\FaIl05\Flgure\Carter'sFigs\Flg2-1.dwg May 11. 2006 - 12:38pm rdsantos

oI

200 400; ;

BOOI

General Direction of Groundwater Flow

Designated Point of Compliance Well forAppendix IX: Monitoring

Water Supply Well Screened In SilveradoAquifer

Vapor Monitoring Well Screened inBellflower Aquitard

Abandoned Groundwater Monitoring orVapor Monitoring Well

Above Ground Storage Tank

EXPLANAJlON

Monitoring Well Screened in BellflowerAquitard

Monitoring Well Screened in Perched Water

Monitoring Well Screened in Gage Aquifer

Active LNAPL Recovery Well

Non-active LNAPL Recovery Well

Non-active LNAPL Recovery Well withHistoric Production

B-1~

Inferred lithologic contacts are approximate.LNAPL = light non-aqueous phase llquld.• = not Included In groundwater contourinterpretation (Wells WD-1. WD-2. and WD-3are screened In different zone). NA = natanalyzed, measured. or collected.ft msl = feet relative to mean sea level.


Figure 6

WW-4-.

CORRECTED GROUNDWATERELEVATIONS AND INTERPRETED

SOIL TYPESBELLFLOWER AQUITARDCONOCOPHILLIPS LAR,

CARSON PLANTFall 2005

...._ft", ..... Contours of Equal Potentiometric Water.~ Level. (ft msl)

MW-2

-S~WIl-1

B-4~B-56~

SHELLREFINERY

MW-33

LOMITA BOULEVARD

BP ARCO REFINERY

Relatively moderate-permeability poorly-sorted silty sands in aquifer (USCS soli type SM).

LITHOFACIES AT WATER TABLE OF BELLFLOWER· AQUITARD

Relatively 10w-permeablllty alluvial soils (silts. clays, clayey sands) in oqulfer (USCS soil typesCL, ML, SC): corresponds with perching layer or aquitard; probable low-energysuspended-load f1uviodeltaic deposits outside of channel zones.

Relatively high-permeability coarse-grained and well-sorted sandy solis In aquifer (USCS solitype SP); probable fluvial tidal channel axis or deltaic reworked distributary mouth bardeposits.

~~

oBOO

!200 400

; ;

APPROXIMATE SCALE IN FEET

oI

FORMER ASCON WATSON LANDFILL

FORMER BP ARCOSOUTHWEST TANK

FARM

I

~ MODIFIED FROM A MAP PROVIDED BY CH2M HILL. DATED 1996.


Figure 7A

Water Supply Well Screened in SilveradoAquifer

Monitoring Well Screened In BellflowerAquitard


Monitoring Well Screened In Gage Aquifer

Active LNAPL Recovery Well- LNAPLThickness (ft)



EXPLANADON


MW-33

~) Abandoned Groundwater Monitoring orVapor Monitoring Weil

~ Above Ground Storage Tonk

Approximate Limit of Detected LNAPL

Areas of LNAPL thickness greater than1 foot.

MEASURED LNAPL THICKNESSAND INTERPRETED SOIL TYPES

BELLFLOWER AQUITARDCONOCOPHILLIPS LAR,


R-56~

R-l~

Inferred lithologic contacts are approximate.NA = not measured. <0.01 foot = sheen.LNAPL = light non-aqueous phose liquid.ft = feet. ND = LNAPL not detected.

SHELLREFINERY

LOMITA BOULEVARD

MW-33

BP ARCO REFINERY

UruOFACIES AT WATER TABLE OF BELLFLOWER AQUITARD

Relatively low-permeability alluvial soils (silts. cloys, clayey sands) In cqulfer (USCS soil typesCL, ML. sc). corresponds with perching layer or aquitard; probable low-energysuspended-load f1uviodeltaic deposits outside of channel zones.

Relatively high-permeability coarse-grained and well-sorted sandy soils in aquifer (USeS soiltype SP); probable fluvial tidal channel axis or deltaic reworked distributary mouth bardeposits.

Relatively moderate-permeability poorly-sorted silty sands in aquifer (USCS soil type SM).

D800

I

MW-510.06


o 200 400I ; !


?~~~ ......,,

\\


FARM

I

~ MODIFIED FROM A MAP PROVIDED BY CH2M HILL, DATED 1996.

EO

~) '.~



••••••••••••• Detection Limit Boundary of LNAPL

---- Boundary of LNAPL data. not necessarilyboundary of LNAPL Subpool

Inferred Detection Limit Boundary ofLNAPL

Water Supply Well Screened In SilveradoAquifer


Abandoned Groundwater Monitoring orVapor Monitoring Well

EXPLANADON

Monitoring Well Screened in BellflowerAquitard


Monitoring Well Screened In Gage Aquifer




Figure 78MEASURED LNAPL THICKNESS

AND HYDROCARBON POOLCHARACTERIZATION,

BELLFLOWER AQUIT ARDCONOCOPHILLIPS LAR,


NO = not detected. NA = not measured. <0.01foot = sheen. Subpool outlines based on 1996LNAPL analysis; however. posted thicknessrepresent measurements from this current event.LNAPL = light non-aqueous phase liquid.

R-1~

MW-33--x-.o

WW-4-.~


MW-2

-SMW-6 P

-S\\l)-1

~-.R-56~

---- Boundary Depicting Chemically DistinctLNAPL Subpools

- Gradational or Non-Distinct BoundaryBetween Chemically Distinct LNAPLSUbpools

Chemically Distinct LNAPL Subpools

SHELLREFINERY

Subpool Designation

MW-33

LOMITA BOULEVARD

Subpool Subpooill N-A

BP ARCO REFINERY

UTHOFACIES AT WATER TABLE OF BELLFLOWER AQUITARD

Relatively low-permeability alluvial soils (silts. clays. clayey sands) in aquifer (USCS soil typesCL, ML. SC): corresponds with perching layer or aquitard; probable low-energysuspended-load f1uvlodeltalc deposits outside of channel zones.

Relatively high-permeability coarse-grained and well-sorted sandy solis In aquifer (USCS solitype SP); probable fluvial tidal channel axis or deltaic reworked distributory mouth bardeposits.

Relatively moderate-permeability poorly-sorted silty sands In aquifer (USCS soli type SM).

~E::::::::I

D800

I200 400

o ,


o!

/Sub

/-sL-n


FARM

I


Figure 7C

%:~:::~:;:'!!.!?=.~.:~~f.i:)::~:B == NOT == NOE == NOX == NOTPH-G== NA

EXPLANA]ON

Monitoring Well Screened inGage Aquifer

ACtive LNAPL Recovery Well


Non-active LNAPL Recovery Wellwith Historic Production

Water Supply Well Screened inSilverado AqUifer

yapor Monitoring Well ScreenedIn Bellflower Aquitard

Abandoned GroundwaterMonitoring or Vapor MonitoringWelle Above Ground Storage Tank


~ Monitoring Well Screened inMW-6 P . Bellflower Aqultard

--s Monitoring Well Screened inPerched Water

BTEX and TPH-G IN GROUNDWATERCONOCOPHILLIPS LAR,


SHELLREFINERY

:i::;::::::::;:Yf.JF~.~.::::::::::::::~::B == 0.17T == NOE == NOX == NOTPH-G== NA

MW-33

;;::::::;::::.~"W.::::~!?;::;::::;:~B == 570T == 1.2E == 1.4X == 13TPH-G== NA

;;::;;;:::?fi.w";?j/:~:;;;;

== NO== NO

B :: benzene. T = toluene. E = ethylbenzene.X - total xylenes. TPH-G = total petroleumhydrocarbons as gasoline. NA = not analyzed measured?r .collected. ND = not detected at or above' limit 'lndlccted c:n official laboratory report.~:~~ =. light non-aqueous phase liquid. Concentrations

• I micrograms per liter. Monitoring wells shownWithout results were not sampled for BTEX of TPH-G.

BP ARCO REFINERY

:::~:::):ii:~i:MW.;;'.~.)~:~:~:~:::~:)~:B == 75T == 3.0E == 0.78X == 11TPH-G== NA

'D 3eIlOJl4' N .... ll8' :18" E

800!

::;::::::):~:::.~"'!!=+~::i::::i:;~::B == NOT == NOE == NOX == NOTPH-G== NA

200 400; ;


o!

:~::::~::~:::::::.~!?=.~;:::::::::::::~::B == NOT == NOE == NOX == NOTPH-G== NA

1996.

FORMER ASCON WATSON LANDFILL==",""""b".,,,,.,.,.,.:))~:~:~~~:MW~.~J~:))~i~:

B == 1,200T == 20E == 57X == 130TPH-G== NA

:~i:~:m)~.¥..w..~MX:""BTE == 1,500X == 2,800TPH-G== NA

BY CH2M HILL, DATED

t~:~tH~W;;'.$..9..~:~i:~:~:~B == 0.73T == 0.34E == 0.36X == 9.4TPH-G== NA


FARM

I

~ MODIFIED FROM A MAP PROVIDED


EXPLANA]ON

~ Monitoring Well Screened in Bellflower

~Aquitard

Monitoring Well Screened In PerchedWater

WD-l

~ Monitoring Well Screened in GogeAquifer

R-4-. Active LNAPL Recovery WellR-56~ Non-active LNAPL Recovery Well

~ Non-active LNAPL Recovery Well withHistoric Production

DIPE IN GROUNDWATERCONOCOPHILLIPS LAR,


Figure 70

DIPE = disopropyl ether. ND = not detected ator above limit indicated on official laboratoryreport. Concentrations are in micrograms perliter. .. = not included in contourinterpretation. LNAPL = light non-aqueousphase liquid. Wells shown without results werenot sampled for DIPE analysis; includes wellswith measured LNAPL


WW-4---. Water Supply Well Screened in

Silverado AquiferV-12~ Vapor Monitoring Well Screened in

Bellflower AqultardMW-33~) Abondoned Groundwater Monitoring or

Vapor Monitoring Welle Above Ground Storage Tank

-1 000 _ Interpreted Dissolved-Phase DIPE, Contours for sampled wells in

Bellflower Aquitard. (}Jg/l)

SHELLREFINERY

MW-33

BP ARCO REFINERY

SEPULVEDA BLVD :seeDJI4' N 8ll' 88' ;\8" E

MW-51

MW-54

200 400. .APPROXIMATE SCALE IN FEET

o!

MW-5NO


FARM

I


!Il26E

IE.r=-l)

~

s::>N

..:

~::e

MW-ll ~


R-4--.R-56~

TBA IN GRCONOCOPH~~~~:~~~R

CARSON PLANT 'Fall 2005

EXPLANAJlON

TBA '" tertlar b .detected at Y utyl alcohol Nlaborator or above limit I~dl 0 '" notmiCrOgra~:epp~;tI'lt concentrati~~;eadrani officialcontour iter. * - t' e nnon-aqu:oerpretation, t.NA~L ~nc!uded inresults w us phase liquid W - lightincludes :~~ISn~~t~amPled 'for ~A showIn withoutmeasured LNAP~na ysls;

Figure 7E

~ Monitoring W II~ Aquitard e Screened In Bellflower

Monitoring W IIWater e Screened In~ Perched

Monitoring W IIAquifer e Screened in Goge


Non-active LNAPL R~ ecovery Well

Non-active LNAWW-4- Historic Productro~Recovery Well with

-. Water Sup ISliverad p Y,Well Screened 'InV-12 0 Aqulfer

~ Vapor MonitorinBellflower A 't g Well Screened 'MW-33~ qur ord In

Abandoned GrouQ Vapor Monitorin9nWeliter Monitoring or

V Above Ground Storage Tank

-1,000 _ Interrupted 01Contours for ssolved-Phase TBABellflower AqU~tamdPled wells inar ,

SHELLREFINERY

MW-33

BP ARCO REFINERY

eoo

SEPULVEDA BLVD

200! ~

APPROXIMATE S..... e-. ""'-'" IN FEET

oI


1996.

1OO.llIl'

FORMER BPSOUTHWEST ~f~~

FARM

MODIFIED FROM A MAP PROVIDED BY CH2M HILL, DATED


with


Figure 7F

MTBE IN GRCONOCOPH~~~~sWtI:R

CARSON PLANT 'Fall 2005

MTBE = methyldetected at tertiary butyl ethloborctcry re~~~bove limit indica~;d ND = ~otmicrograms per il.t Concentrations ar:~ offiCialcontour . t er.· - t· Innon-a u~ erpretation. LNA~r ~nc!uded inresultsqw ous phose llquld W - lightincludes :~ilsnoithamPled· for ~~~hownl withoutw measured LNAPL ana ysis;

EXPLANATION

~S Monitoring Well S~ Aquitard creened in Bellflower

S Monitoring W 1IWll 1 Water e Screened in Perched

~~ Monitoring W IIAquifer e Screened in Gage



Non-active LNAPWW-4 Historic Producti~Recovery Well

~ v.:ater Supply Well~ Silverado Aquifer Screened in

Vapor Monitorin WMW-~ Bellflower Aquit~rd ell Screened in

~) Abandoned GrounQ Vapor Monitoring ~ellter Monitoring or

":::.J Above Ground Storage Tank

-1,000- Interperted DisContours for solved-Phase MTBEBellflower AqU~tamPled wells inard.

SHELLREFINERY

MW-33

BP ARCO REFlNI::RY

:seeo..u4' N8Ir58":sa-E

800

SEPULVEDA BLVD

400200! ;


oI

MW-52.2

D~ MODIFIED FROM A MAP PROVIDED BY CH2M HILL, DATED 1996.

E.&

\nI~


DETECTED HALOGENATEDVOLATILE ORGANIC COMPOUNDS

In GROUNDWATERCONOCOPHILLIPS LAR,


Figure 7G

EXPLANATION

MW-2

S Monitoring Well Screened In

MW-6 P Bellflower Aquitard

S Manltorlng Well Screened InPerched Water

1\'>-1. Monitoring Well Screened In

R-4Gage Aquifer

... Active LNAPL Recovery WellR-56

'EJ Non-active LNAPL Recovery Well

R-l Non-active LNAPL Recovery Well'isJSHELL

with Historic Production

REFINERY WN-4 Water Supply Well Screened In... Silverado Aquifer

V-12 Vapor Monitoring Well Screened~ In Bellflower Aquitard

~)Abandoned GroundwaterMonitoring or Vapor MonitoringWell


MW-33

NO = no HVOCs detected above limit Indicoted an officiallaborato~y report. Concentrations a!"B In micrograms per liter.HVOCs - halogenated yolatile organic compounds. The HVOCsonolyzed for monitoring wells were:

1.2/1.4-DCB dlchlorobsnszne Isomers1.2-DCA 1.2-dlchloroethaneCB chlorobenzeneCF chloroformC-1.2-DCE cls-1.2-dlchloroetheneMC methylene chloridePCE tetrachloroetheneTCE trichloroetheneVC vinyl chloride

Weils shown without results were not sampled for HVOC analysis.

BP ARCO REFINERY

38e0.04' N8II'1l8'1l8·E

800I

SEPULVEDA BLVD


o 200 <400I ! !

::%::::MW=46~~:!::::!:

C-12-0CE= 8.1


i:~:!:~::rMW:::':5?~::::~;!:

CB = 29

rii:::::::~:~:::~MW. :::::s.:9.~::::!X:::~::::::1.2-0CB • 4.11.4-0CB • 42CB • 0.46C-1.2-DCE· 5.5PCE .' 0.46TCE • 0.46


FARM

I


conocophillips figure 4c-7g · kinder-morgan storage terminal ... na = not measured

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