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concentration is within the range of the concentrations from the unleaded tanks (Table 1). <br />5.2 Stockpile Samples <br />Low to moderate concentrations of petroleum hydrocarbons were detected in all stockpile samples <br />except that from the East stockpile (Table 3). Thiee species of dichlorobenzene were also detected in <br />the waste -oil stockpile, as were elevated concentrations of lead and zinc. <br />1 <br />CABLE 2 - -------_--- <br />LAnalytical Results: Alpine Bl , Stockton, CA <br />Sample .all results are in mg/kg <br />nom— 13-leLs�.... Si_@ ams—'ilO:n�_Etlul�sn.�lcnwt_<ahniu�_r «m_— �u�• i;,. <br />` <br />Tunic' 984:94 NU NU ND ND ND ND O.012 ND 37 56 42 61 <br />Volatile Ilalocarhrns <br />ND on all tests <br />L p(.'ki ND <br />ND = Not detected, --- = Not analyzed, Elhylhen. = Rhylbenucne, Chmm. = Chnunium, O&C =' Oil & Gnase <br />TABLE 3 <br />ockLliie Analytical Rcsults: Alpine BP, Stockton, CA <br />L aStt <br />San;ple All results are:rnnOg <br />I. }e +L--j4)'=L-�..y%t11::1t�5ll,—�(Y Lcrrs Cad..ri��,,, •V[}71� l,r�d Nickel Zinc <br />W_I I• -W ---- --_ ___ ND 1 U.6 I4 <br />6. _.. 5.6 " - ._-- <br />W2 12U __. .•. .— ND 0.23 0.16 3.6 <br />I - 0.014 0.33 0.30 3.4 •-- _ <br />53 -- __ —. <br />_... 27 ---- <br />W-4 12 __ ___. .__ 0916 0.15 0.07 0.56 _--_ ._. 2 ^ <br />H'-5 2.2 •-- --- ..._ ND 0.008 0.006 0.064 <br />__._ __. g. <br />6. ..._ <br />w'li 1,000 _.._ _. .__ ND 63 5.6 47 .__ 111 .__. <br />E-Stuohpde ND __. ND No ND ND -- ---- -._ <br />` Talk 9/14/93 7.3 210 -- 3,400 ND O.027 0.024 0.17 ND 31 110 2"7 410 <br />volatil-lialwrarhons 1118A8 <br />1; Diohlorobentene 220 <br />L 1,3 Dichhuobewerw 15 <br />1,4 Diehl.-iobtmt rap 58 <br />PCII ND <br />1,2 1.7 <br />Naphthalene 0.58 <br />` 2-Methylaiaphthalene 0.80 <br />All otter I laloc-rNms ND <br />�., 14D = Not dctecled, -- _ Not analyzui, Ethy1b,,. = Eh"ylbe=ne, Chrorn. = Chromium, 0&0 = Oil & Grease <br />AN. <br />