|
I • ,i ri: HISTORY 0
<br /> ICA\FPA 5 C %R WASH
<br /> 6=30 P Iu114- A\L
<br /> titotkton CA
<br /> Cani.pa , Car Wa,h LOIISIst, of 111 .rutorn.ttLd L it \\aShin�, taLIhtV a IIILI St-ition MIC! .I LOII%LItl4-nLe
<br /> I ,tore FIlL ,ItL I, loLated at 6-'30 PaLIfiL \\LIIIIL In north StOLkt011 California ThL Lar %%ash and
<br /> fuel ,tation have bLLn In opLr-Ition for apprommately 20 vLars
<br /> BLt\\terl FLbruar� 25 and %IarLil 3 1993 thrl-L und4-r�_round fuel tanks full IInLS and LIISPLnSLrS were
<br /> removal by WI{f Emironmental (WlIF) Ind replacLd \\Ith a doublLd \\allld ,\stem ThL tanks
<br /> consistLd of t\\o 12 000--allon tiasolin4- hunks and one 5 000-ballon diesLl tank As rLportLd by WHF,
<br /> upon rLmo\a] of tIIL tanks .Ind piping It \\as disco\LrLd that t i- fuLl link had leaked and that the
<br /> tanks had bLetl o\Lrfilled Approvmatel\ 600 cubic \ards of soil \\ere remo\cd from thL 1`64-1 tank
<br /> e\cmation iiia ThL ewa\ated ,oil \\aS subsLqutntl\ characterized and disposed of at F'ory and
<br /> Landfill to Manteca California At least 16 soil samples \\Lre Lollected from the tank c:\ca\ation for
<br /> laborator\ analyses The laborator\ results indicated predominantly lou TPH-G (gasolinL at <15
<br /> rivAg) and lo\\ BTEY concentrations Ont. (I) soil sample collected from the northeast side\\all of
<br />' the tank e\ca\ation Lontained 773 In`,/k�z TPI I-G and BTEX com-entrations 6P to 170 000 ugA<g
<br /> (�yltne) FPII-D (dlesLl) \\as dLtected In one Soil sample at 3'_' mg/k \t ILast sc\tn soil samples
<br /> \\LrL LOIILL1ed from btncath tht former full dispenser islands for laborator\ art-II\,LS EIL\ated
<br /> I-MIC-Lrltritions of FPiI-G (LIP tO 3 S00 mg/kg) and BTE\ 4-oncentratlons ranging from 26 }Igkg to
<br />' 560 000 LL-/ku \\erL dLtected In the tuLI dl,PLII,Lr ,oil samples TPI -D (dlLSel) \\aS not dLtLLted
<br /> IXIIL.l[]t thL forinu fIIL1 dlSpLn,er Islands
<br /> kiOn March 12 1993 soil boring (13-1 ) \\as Installed b\ W1 IF ImtnLdiateiy Last of the former fuel
<br /> dISPLruLr Islands Ground\\ater \\as encountered at apprommatel\ 56 fcLt bLlo\\ the around surface
<br /> (b4,$) 'Moderate to strong, petrOlLurn odor, were dLtected from 15 fLLt b�,5 to 56 5 ttet bus FIL\ated
<br /> TPH-Ci Ind B I E\ Loncclt[rations \\ere dt-t' Lted in soil samplL, coIILLted from 35 it-et b,-:s to 56 5 feet
<br /> bt,s
<br /> 170110\\In' OIL Soil bonny, Install it ton a ntt\\ork of nine S'� E \\L1ls \\u4- driIILCI and installLd in the
<br /> arL.1 of the fuel dt,penser Islands \tcorclnl1 to thL formLr .onmiltant \\ iliiam it FLA of \\ HI the
<br /> WE \\ell, \\uc Iivtalled \\ithout compiling
<br /> ,L0lO�,rcal la,s and \\Ithout the colitcnon Of laboratory
<br /> SaInPIL, as a�,reed upon b\ thL PHS/EHD due to time constraints Mr Fo\, indicated that based on
<br /> field obSLr\ations all Of thL S%'E \\LIIS ,ho\\Ld signs of gasoline contamination during_ installation
<br /> 1!11 Mtertlzl c011111ustion unit OCU) \\ac Inst-ilied -It thL ,ite for \,IDOr L\traction and treatment Linder
<br /> the Authority to Con,truct ISSULd b\ thL ').in Joaquin Val]Ly Unified Air Pollution Control District
<br /> (APCD) datLd OLtober 7 1993 ThL ICI, \\a, started on March 1 1 1994 and OpLrated through June
<br /> 10 1995 B,I,Ld oil field monitoring note, pro\ided by \\ FIF a\era�,L Influent or-amu \apor
<br /> LOIlWitrationS ineasurLd \\nh .I photo ionization detector (PID) c\W-dt-d ? 200 parts PLr million
<br /> lnnr�il t lu
<br /> 1,—t milnt+ttt int mrtronit 111 f t\Ilt t too from t1w ,\etenl \\a, 21 145 onm ('vla\ 15 1995)
<br />' Bet\\Len SLP[LmbLr 28 and 30 1993 \\ 1 IF in,talled tour (4) monitoring \\Llls (NM-I thr0u1_h MW-
<br /> a) it tIIL SILL Lo\\ 10 tie\-ited LnnLcntration, of �_.I,Oltne \\LrL deteoLd ill ground\\,itcr Samples
<br /> ullleLlLd from MW-1 through %l\\--4 FILId ob,t-r),mons IndiLatcd InadLratL to StrO - uxoline odors
<br /> ui [he Soli It M\\t-I front '[) ILL[ 10 55 Ictt b„ a11ti .rt ti1W-'_' Irotn -17(1 iLet to 6 tLct buS Soil
<br /> ,ItnPIL, L011ettt.d trorn NM-1 -IIILI %1\\-2 \\LrL not analyted in thL laborator\ 5011 inal\,L, of
<br /> ,atIIpIL, i-011LLttd iroiil \M-3 Ind \1\\-4 IndILMLL] no 111-tL-11bEL 1-1111-C; or BFF\ from 20 14-0 bgs
<br /> 10 tilL L tpiII Ir\ h Inge A Summar\ of t]tL ,oil and Srclund\\.uLr .111.11\tlL 11 d it t 1, Lnnt MILL] In huLrim
<br /> 5wfu\ M pot i !'hu\r 11 hilt \11trc1t11111 b\
<br />
|