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r-LAr-�PatnCe LriIPers, InQ. 09887355402098573574 P. 02 . <br /> pp�f[A CTOR S <br /> PUR ANE <br /> 11G.3779z3 DRILLE RSj <br /> rwa1� <br /> {209)987-3594 NC. <br /> FAX <br /> 12091689.3574 WaL pRVJNG,PUW3 ANO fR1i1CdATAOM1P s"y,S, N7$ <br /> A w ik"r <br /> p.p.BOX 04*LINPUN.CALIFORNIA 85230 ` <br /> MaV 7 , 1996 <br /> k <br /> t <br /> 31 <br /> public Health Services <br /> 344 E. Weber Ove . . 3rd PloQr <br /> P.O, Box 388 <br /> StoCkton. Ca 95201-03$8 <br /> Attn: Mr, Ronald Rowe, R.E.H. S. I <br /> RE ; Teresi abandonment in Lodi <br /> Addendum to proposal dated April 39 . 3,996. for the Protection of <br /> the beneficial use of the lower aquifer.; theI most important point <br /> of seal will be at the first aquitard. $oil bgri.n.gs indicated sand 5 <br /> and silt for at least 75 ' . Therefore . the &rst aquitard must be <br /> located below the substantial obstruct , <br /> in the well at 69' . <br /> If at all possible, a, tremmie tube should be advanced to the bottom <br /> of the well s.L� that a concrote seal may be i! placed at , above and <br /> below the aquitaard. ;F <br /> ik <br /> As the soak, i.s pumped above the 69ft obstruction, its interface <br /> I with the bore hole liquids will be mea sured, to determine if some f <br /> seal Pias been placed outside the borehole . 1f it has, it will, be <br /> II an indication that the bottom portion of the;lwell is encased (open <br /> bottom) or that. the casing is in poor j�condition ( as the camera <br /> showed at 69ft ) and has deteriorated to allow openings . fihee <br /> openings will allow the grout to flow outside' the casing and create <br /> a seal. i 1 <br /> I <br />'I <br /> It the voltafle of seal placed calculates' theL same as or less than <br /> the volume of the bore hole then thegxout will be placed under } <br /> pressure as soon aa it reaches the surface .!� <br /> Jo SMB 'seaUBUIP10 Pi�o7 <br /> ! 8l>g IS 10 sluawaimbe 10 UOtIBIAeP JO <br /> uoIsslwo �CuB eno�dde Jo Mo4int3 lou seoP <br /> inq uoeje4 Pequ=apu8 UMo s <br /> P y s>I t��iy,M <br /> 194101 duo spuelxe suBrd esayl to 1BAoiddy <br /> ;M <br /> C wM n Ik �► <br /> r�SVRW08 <br /> 13 <br /> -;;' SI�JBWBa.88g ::c�fSrtl€'�5 lir'--,` '`.� -, }�../■ <br /> is ,,_-7,JV C <br /> JOU PjltiL'GAY MOM A VK <br /> NOISING HLIUM 1VAMNOWAN3 <br /> �' uhnoo ranovor Nys ;� <br />