|
��-,. � - ,y ';, ''" K-. -hs _'4��,���y;:3 iV'F�tir-::C,- �+✓-P,u'-,�.w. `,��' .5:,�3�!'-' a LL:A.�!-''-� g.y :r_�}J�,s.- >s�_NL �?_ ;t, ..�,,:
<br /> ./� ,�} � �. _� Y,i#� *�eh`k-, �T`�.X��Y�'_°�`'�WJ• �s� �. :r �aT�'C+'� .y ,;._"'�, � Y .��-.`�` s �� '., � -`p.`� +-��,�+,s �n '"'""�.. :Y
<br /> I`
<br /> 1
<br /> Y
<br /> f
<br /> I` are provided '.n !:ppandix A. The surf^ce elt?VRticns of all monitoring well. -are
<br /> �•, shown on Figure 3.
<br /> f+•13 C',EH CAL i LY S ,
<br /> r
<br /> j
<br /> j 4.1 OILS
<br /> E ..w
<br /> I Soil samples obtaine6 from h -5, MW-(- And B-1, B-2, B-3, B-6 and B wire
<br /> " analyzed by SC Laboratories in Bakersfield, California for toal pe.t:aleum
<br /> i
<br /> hvdrocarhons (TFH) gasoline (EPA Method 9015 t;-Alfied), TPH diesel {EPA Met?ir..d
<br /> $015 raodifi,ed), benzene, toluene, xyie;ya, erhyibenzane (I1-TRE) (E'PA.Method 3020),
<br /> chi.)rinated solvents (EPA Method 8010), cetraetny- lead (TEL){DHS =JFi} atd
<br /> �. ethylenedibromide (EDB)(as described in AB 1903). The analytical results ``>ar
<br /> iS.ricLuved
<br /> the seat saanples Ore summarized in Tables tl,rougl: and are i,i
<br /> -Appendix B. Pre:; ss soil arse.water analyses from the initial cite "Lnvestigatio+l
<br /> and the tank removal are al.a presented in AppeDdix A.
<br /> T'he follewi'.% results were obtained from the soil enalyses:
<br /> k. • Hydrocarbons were deter,-tea only in samples prem MW-6, H-5 ane'• B-2.
<br /> I
<br /> In W-b, WE g,,-.soline vas datected at a conce.xtration of 1S0µ g/g
<br /> at, 20 feet, r�t it was not *etecte.d ret 15, ZS or 30 feet. TE'EE diesel
<br /> was detected at a concentration of 102µ g/s at 20 feet but was nct
<br /> ,: . ,..
<br /> detected sat 25 feet.
<br /> i
<br /> • Jr. B-.5, .T°1_ gascline was detected at 1.5 feet (14g g/g) and 20 Feet
<br /> (136 ug/g) bi%t was rot detected at 5, 10 or 25 feet.
<br /> In a-2, a concentration of 0.06 ug/g of ethylbenzene was detected
<br /> at 20 feet, No other hydrocarbons were detected.
<br /> None of the soil samples analyzed cantalrOd any detectable amounts
<br /> f of TEL. EDE, or chlorinated solvents.
<br /> k
<br /> QAG03.00I 5 November 1999
<br /> E
<br /> i
<br /> f.
<br /> j
<br /> r
<br /> r ..
<br /> r.
<br /> F
<br /> 1 -- _ ___._�__._ re��nr�r����lfi•1xM1�1111�'���u na�..uum� � -
<br />
|