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- — l�il ulEitirEtota i I PROPOSEDMONITORINC YELLMARS NT GUILD 1YAND LEIE5 LODI,CALIFORNIA - Z4-YIs2455 ' hfARCH 6,1991 , SCOPE or SPRVICES Task 1-Permlt Apliicallon - - - that well no, gqcounty e[soabntpIissued u ebanentatvI s- Inordri uea wel3abandnmermit the requires,that a work-glass describing abandattmeat protocol and a well abandonment application be Prepared and submitted for lir approval.Itis l0eie Nets assumplion that this proposal des ibing,the abandonmeN procedure wdl Sufflee as a work plan for San Joaquin County, Task 2-Monitoring Well Abandonment The eight monitoring w'eils will be abandoned as follows: - - o 7be ecisty box and surrounding soil,to a deplb of approximately three to fwo feet, will be excavated and removed at each well. The volume otgrout required for each well wlllbe caiculatedpdor togrouling.The ictal volume callculated will include the entire length of the casing and the volome of the borehole for the length of the screen. A three percent bentonite(neat cement grout vdllbe pumped to the bottom of each _ be well through a tremmie pipe. When the well casing is full,ibe Imp hose will c sealed at the top of the casing and airpresaures willbe appplied to We cement to of - it into the well screen. The void spare at the lop of the casing will be tapped up with cement when the pump hose is removed,and cemcnl w11 he agorvedd.to Row over the top of the casiag m cover thewholewell: _ After the grout Sets,(72 hours),the holes will be filled with soil and the aspbaIt will .be patched. _ f/ Task 3-Report of Findings I Upon complelionafthe field activities aleuer report blfindings will be prepared forclicnt. and agency review.The report will present our field observations _.I F18-9142 - 1 1i upyrl9h[1491 geenrrltler,Irc.