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...b e,,,S. ._' .sn;r.��t,,£��a'�z.�".. „a,;,�,atrt.,���•" .� �#1 '.�1 ' -..�'��.v �� _��`.�-ta' _�: �.�1"�s�."s.:� .T'��. _ .� `_ .a^'s�����.'"`a, ,�,: �±r <br /> b„ p <br /> -a. <br /> �G <br /> yy <br /> �` GY INC. 14ifilialyan1l)rise•5uite140,1ti1'st�uLfamE'[Itn.����g��;GROU-INDWATERk161372-87'dl <br /> TECHNOU <br /> Pruject No.202/150-4150 <br /> March i9,i991 <br /> Mr.R.R.Ziellnskl <br /> Texaco Fnv1Services <br /> 108 Cutting Boulevard <br /> Rlchmond.CA 94BO4 <br /> RE: <br /> (QUARTERLY STATUS REPORT(R-2 at 91) <br /> TEXACO SEFtYtCE STATION <br /> 440 WEST CHARTER WY <br /> S'TOCKTCA CALIFORN'A <br /> pear Mr.Zielinskl: <br /> were conducted to determine of <br /> ori on groundwater conditions at the site referenced above lot the <br /> er <br /> quarterly rep and the distribution <br /> This IdUer is presented as a q t!a$e petroleum hydrocarbons(5P), data and <br /> quarter ending February 1991. Groundwater monitoring and sampling <br /> elavatbn,the thickness of any Separate p MWs)at this site. Csroundwatar monitoring <br /> table les collected on February 6s 1991,are Included- <br /> table <br /> hydrocarbons In the i l monitoring wells{ <br /> results of laboratory an <br /> of groundwater same <br /> WORK PERFORMED <br /> a gf Q.7 J'H irem levels ra Dried the previous <br /> CROUNDWA7f�R MOfytTORfKG rease�'an sNeYEi s z;trxsl east. <br /> Ir tadfah'6fii3Ctitiii'f� PBia'fi va[9�ie L't40c <br /> ,tni f ra rt Vd 2 to�f * <br /> i�laisr.�elale ai�tlort�#'it:he elle have dam% (Attachment l). <br /> quarter. Tim est, resented in Figure i and Table 1 <br /> Monitoring results are p <br /> GROUNDrNATER 9AAfiF'LING the roundwater monitoring <br /> wells were purged of 4-10 well Volumesf_PA) <br /> Environmental Protect�aa AgOnc,used for the <br /> Prior to water-sample collection, g �11illter glass vials with Teflon'-lined <br /> r sampler, cleaned with air industrial hen transferred to 40-m dist jileass water, <br /> in Concord, . <br /> ailowr�ci to recharge Witt repsasentative <br /> formation water' A <br /> approved TeflonThe water samples we <br /> groundwater sampling. to GTEL Environmental Laboratories, <br /> caps, preserved by aand tchain o!•custody manliest. <br /> California,accompanied <br /> offices fhroughuof fhr U.S..Gmiadd ai,d overseas <br />