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ti <br /> ✓� f <br /> iH <br /> K '�'' €"r.Y f: ry '� �r s,x�y�ES"y� ''•`b4 4 F , L � :, - <br /> �zP' N M " ' e 54.k ^. -t*r� x ti p <br /> z*i r axe MO <br /> y "x .t, ,z.c�. .x•.� t xT �- t ti t +t F Y 3 '"S <br /> U ,¢.t .-r`+ 'S ^ kis. a '» rc ✓ Y -•:: <br /> { <br /> vyY i *i� :z <br /> ' ? <br /> �� a Date *August 19;d�3,98$� r <br /> r ItE�LY TO ,� t� <br /> evron: <br /> �lJSA,Inc <br /> 3 RtiY •tel 'Si if '.' <br /> t AEtn K rHtlffmart -Engineer , <br /> I ' " : 2 fiAnnbel Lane --:3uite <br /> San�itamonyi CA 94583 <br /> 3 RE SS/#9 7918; 45 E HARDING WAY, STOCICTON <br /> r <br /> PLAN FOR PR MIMINARYYt�2OUNDWATER -INVESTI ON SUBMITTED`BY:, GINEERING <br /> R <br /> d $tea `.f1pRx ` ;MONITORING WELL` INSTALLATION/SAMPLING <br /> please_be'advised that this office viewed th above referenced Workplan i We. <br /> l have °found the plan to:be ad to-p vid. the fol inj considerations are <br /> v addressed. <br /> 1 Headspace anal ical me ods utiliz on the tank closure soil <br /> sampling activities;`:>+t fore, a fu [ extent of'soil contamination has-not 'be` <br /> " adequately ed gui line format for soil contamination <br /> investigat' ns- Is en e_ 1 "I stigation should be -fully addressed.in <br /> con3unctio with the ter in ti tion or prior tothegroundwater y <br /> f s'=.'investigati � > <br /> 2: Enc ed is a . t +- oviding Minimum Verification Laboratory=Analysis. <br /> The analyses - be .util in subsequent soil sampling has been highlighted for <br /> reference. , .. . §� <br /> 3: Applica o`, for soil borings and/or monitoring well permit(s) should be <br /> signed by the C-5 drilling contractor, or the contractor must submit to SJUb a <br /> letter authorizing a designated representative to sign on their behalf: <br /> 4: Maintain minimum drilling setbacks of 10 feet from property lines and 50 <br /> feet from onsite 'sever lines. <br /> 5: Annulus seals shall be grouWfrom bottom to top if the depth is 10 feet or <br /> greater in depth. ' <br /> 6: Submit the name of the contracted analytical laboratory. <br /> 7: Drums containing waste soils/groundwater shah be, properly labeled and <br /> dated, with the commencing storage date, and adequately secured prior to removal <br /> and disposal <br /> F } i� 1 .n• � f: . <br /> r i .�, r p t f• _j .jyx [ -*y4 a «rA r�' 'A:f <br /> x'AxW. Yx,� t,, <br /> inK <br /> .. <br /> J;,: <br /> o v <br /> -j <br /> a 3 a <br /> i _ d} 'y__:• s- :tie;' a t....4. ix - ^ §, a" _� �y SS ti "a' ;�'+? tsbu ,i'Ri n ( -z �- ym h •i5 <br />