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Intervals far Boy
<br /> ett Petroleum(41 g 5• site History
<br /> sail classification and
<br /> sr.,Manteca)
<br /> Of 16-16.g feet= 20- three sail sa Page 2 of 10
<br /> twelve 2I.5 feet, and 26- nlPles were collected from
<br /> soil samples indicated 26 5 Feet for Iaborato each borin
<br /> rePorted detection limits in petroleum h ry analyses. Laborator gat depth In
<br /> any of the samples.hydrocarbons were not detected at o analytical results of,the
<br /> On February 2,2001, rHF or above the Iaboratory
<br /> 'O CPT borin s , in conjunction with VBI In
<br /> respectively- g at the sate. CPT-1 Testing
<br /> depths of 20 to 24,oth borings Were to and CPT-2 were completed to dept cramento, California
<br /> 23.8 to 1 feet and S0. terminated
<br /> due to refusal. hs of 76 and } advanced
<br /> 26.4 feet, 49.7 2 to 57,6 feet b Beds of clay were encountered 6n feet bgs,
<br /> the CPT borin to 56.4 feet, and 62.7 to 65.9 het CPT
<br /> 2, beds of Clay gs in a letter dated February Y were encountered CPT-1 at
<br /> 7, 2001 t gs' submitted a report
<br /> at depths of
<br /> On April 25, o Mr. Jeffrey Won P rt of their findings
<br /> �, to a depth of 5().5 0.5 H�, in conjunction �of the SJCEIBD gs of
<br /> 9, t feet b with Frontier Drilling,
<br /> feet bgs. Groan gs• The screened interval for the g' completed a dee
<br /> collected fro feet
<br /> depth was well was installed at a anitorin
<br /> m the borehole at depths of 3 5 feet and 50 feet f a Well, 15 to
<br /> of concern {$TEX, TP sured at pProximately 17 feet b PFroximately 40.5 to
<br /> MW-9•
<br /> Laboratory H-G, and MTBE or labarato gs Two sail sarrlples were
<br /> Of the anal ry analytical results of awere detected in the r3'analyses None of the analytes of concern soil sampleS collected from the borehole of
<br /> with the P {BTEX groundwater sample collected
<br /> exce tion of MTBE ' TPH_G, and selected from .A4W
<br /> Findings—Lateral , which was detected gasoline ox � indicated that none
<br /> source Extent Of Groundwater . a concentration Ygenates/additives
<br /> of the pe�oleurrl h Contamination of 14 pg/L ItZ the Final detected,
<br /> quarterly
<br /> groundwater ydrocarbon contamination had
<br /> June 29 RePort of
<br /> the fuel is monitorin ' ZOOI, WHF concluded that the
<br /> , and that no remedial action continue, One taken attadditional not been identified
<br /> monitorin and recommended that
<br /> On Se to Ite until the source
<br /> On
<br /> iclentifirectly east of
<br /> P tuber Z6, 2002
<br /> groundwater Sam , a representative
<br /> Ples at rnonitarin of Condor was onsite to
<br /> monitoring event. Monitoring g wells MW-1 tlllou measure
<br /> water levels
<br /> were
<br /> dry.Mr. Jeffreyg wellsIW-4, MW_S gh MW-9 For the third
<br /> Wong of the , and MW_ quarter 2002 and Calls et
<br /> SJCElID was onsite to �were heavily silted groundwater
<br /> At the request of the observe aPortio , and MW-4 and II�IW..S
<br /> MW_5 SJCE� n of the held activities.
<br /> and MW_ , a Condor representative was
<br /> consisted of 6 on September 27, 2002 onsite to
<br /> flushing the wells with The redevelo redevelop monitoring sediment removed from the wells consisted le Pthen procedure g wells MW-4,
<br /> sand. potable water, and then applied to M�r�
<br /> The redevelopment activities bailing,the and MW_5
<br /> casin s- vi ties failed medium to coarse_ water from the
<br /> ngs; consequently, red to significant) mined, well-rounded 'Fells. The
<br /> observations, it a Pment of A,IW Y reduce the sand well-sorted
<br /> infiltrate inside thePeaTed the -`� and Mvv_ amount of sediment inside the
<br /> casings s these wells are da was not successful.
<br /> sediment from casings. MW-6 was successful) malted and allowing Based on Condor's field
<br /> MW-6 m well
<br /> inside the well casing. q Y redeveloped by re
<br /> an the
<br /> .30 groundwater sa moving a Significant
<br /> annular sand pack to
<br /> hydrocarbons 2002 No floatin milli was collected for Iagnific
<br /> were observed g product grlificant amount of the
<br /> groundwater monitorin In any of the wells s , sheen, or odors ry analyses from
<br /> amount of sus g eve. All of the amPled duringassociated with petroleum
<br /> site on l7ended sediment. Laborato �oundwater the third quarter
<br /> SePtelllber 26 and e ry anal monitoring wells sa 2Q02 quarterly
<br /> selected 2t?02 analytical results for the milled contained a
<br /> gasoline , indicated that groundwater s slIficant
<br /> in the groundw oYgenates/additives none of t
<br /> ater samples ) Fere detected at ar above the ab cone amples collected at the
<br /> P es collected fro Crn {BTEX, TPH-G,
<br /> 0c1l4-*A ac 3 and
<br /> groundwater sam ""`� <. n rrxr MW` , MW-6, and MW_& ry TePorted detection limits
<br /> Set pies collected n4,a'-4 MTBE
<br /> p ember 26, 2002, en from MW-1 and , .y•`- , ar;u ;•I.,' &f r E was detected in t
<br /> generally Indreated a groundwater Static water �r�A_ 'v`vuu" .4 A' iCu he
<br /> leve] UCZCC
<br /> gI' ndwater fl aw measurements c ;r, ""
<br /> direction to the sOut hlsoutrnents ollected on
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