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from bottom using the backhoe bucket and the trench was refilled. <br /> ' A lor-at: on va ; sea ec-Led 7_0 east o f the UST site, and the backhoe <br /> r. ,tg a tren--h cc 7 ; a strong petroleum odor and visible free <br /> Product t,rs n_Dters Lea ow a 6" . A soil sample vas, taken at 7 , and <br /> the trench r 6f a i Leo with r-emo,,ed spoil , <br /> ' Using the trano = ugc r , borings were mare nortn, of the former <br /> tank site 19 north tca nepth of o o" ; 4c1 north to a depth of <br /> ' u ; and n5 ,crth to a, d ptn cit ; 6". Contamination was noted in <br /> all three auger holes, ana soil samples were taPen from the last <br /> two oorangs. All auger notes were r'alleo with cement. <br /> ' ADDENDUM TO WORK PLAN: <br /> 31-1 an attempt to determine the lateral extent of the <br /> ' contamzn.ac x ors , it is proposed -co e, tend the area of investigation <br /> in all directions from the former UST site by the following <br /> procedure, u=ang .Gael---Tech Inc. equipment & personel under the <br /> ' s�tpervisa+an car Wm. hurter , RG. <br /> i . 2" GD ,oxzd sten flights, equipped with a carbide bit, will <br /> be driven tc, depths ,t r,etween 10 & 15 fleet, using a powered <br /> r rotary hamwe­ <br /> 2. Cut t a ng s ar d cora samples will be examined and described by <br /> ' fne geol cgs=r , arra screened wr.th a PID meter- as necessary. <br /> Total per,etrar} on- acro LocaLIOIIS of each boring will be <br /> ' dependent .Apon results of LF.L- prior hale; based on previous data, <br /> a t is an: x i pat_&u chat groundwater vii 1 I be encountered at <br /> appro, 11r1aTe_ s <br /> 4. Soi Y VI p I lrlay De ta,en if warranted by conditions <br /> encounter-eu uurzng ooring. Samples will be obtained ry driving a <br /> properly prepared brass sleeve into the bottom of the hole. <br /> ' Samples gall be sealed , labeled„ and preserved on ice pending <br /> transmittal i_o the l aoorator / -for analysis. <br /> ' b. Water camp;es may be taken as determined by conditions <br /> encorrj,terea during field c.perations. <br /> 6. Upon of the work , each auger hole will be grouted <br /> ' to the sLr: �c_e tiitn cem&_=sit . <br /> The numner aria 3 nations of the borings cannot be determined in <br /> ' advance; at is ncped chat the lateral limits of the plume can be <br /> establishes, our-ing one clay a field work. Exhibit "A" shows <br /> locations c„ Lorings !, trenches at completion of work done 11/6; <br /> Erh.bat "B" snasrL e astxng s,.ark & resethodology for attempting to <br />