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., r k r 5r i s re "a• i �1 <br /> `. '."' tom{ N•'s.da%�}rk :aCt .fes. <br /> ,� dt ✓T '` v ',.1• a I .., <br /> '.�.TERMS; ' ,r a5; <br /> a+{�rf, ,{.•: ;� :C,,�F .�-.y'� �e+ F iTf'� . k,� twy 'g.ti; yy'•� i ��'w � '�"� , rJ r. { �"IeJ. � ,'�ar:n• � � t +.��'�� �,a ;,�r}���..r°�:t : <br /> J ,t.<• „�s,,.�Ei9 °' ir'. 'r, `" i- °-'�'+W :5 �;r�ir $f.r...i �`I :�f.+;.sY.n�a.�1 <br /> 4 .� p N !' 1 ,� 1'r .7:..49.. .♦-� -:llwF r�".,��� ��. <br /> N Ark . <br /> a fid-'� _ <br /> {kA <br /> SIAM <br /> Fi } .Y `3 MMS r <br /> excavations completed at the Site during tank replacement <br /> Native soils encountered in <br /> activities and in soil borings previously drilled at the Site <br /> h�, � F�i'•v'�r��`M1�lr'•�3�. <br /> by Applied GeoSystems <br /> deepestsilt and ciay. The <br /> portion of excavation was completed to a <br /> ncountered during <br /> s not e <br /> 7maximum depth of 25 feet below /this investigation. Applied GcoSystems reported that tbe depth to ground water at the Site <br /> a <br /> is greater than 100 feet below ground surface according to the San Joaquin Public Healtb <br /> Services (Applied GeoSystems, <br /> y _ <br /> 1990). <br /> 11 iT, 5 f Py <br /> r s <br /> x vf•'r(�'!r TSr • '�� <br /> 4j, <br /> EXCAVATION, REMOVAL AND SkMPLING <br /> This section describes the following activities: <br /> Excavation <br /> rr ,��=7,►'zit <br />,i. S" `."ter*f✓ <br /> 1 Tank Removal -00 <br /> ExcavationSoil Sampling in Tank Excavation <br /> 1 Sampling of Product Lines <br /> Uboratory Analyses <br /> A chronological summary of Site activities is provided in A <br /> ppendix A. <br /> 4.1 Excavation and Tank Removal <br /> ting to remove the old USTs. on <br /> GAden. West Builders, Inc. (Golden West) began excava <br /> November 1, 1990. Mie pavement overlying the old tanks was cut and removed, and the <br /> cavity was excavated <br /> dewn to the Ievel of the top57�'�1��ISr7yiL <br /> r <br /> f <br /> ROUX ASSOCIATES 3 <br />,,, <br />