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3, Adjust the meter . for appropriate turbidity Scak d= read the turbidity. 4. If required use the '"calibraten 4ustment, on dx mew to con=t the instn mcrit to rMd the comct turbidity. Tbe caUbration process Will be rmorded on a turbidity calfl=don log, A Sample Cogbration Log 1-3 located k, Appendix C Copies of calibration logs for ewh individual instrur�eut am kept in a binder ot the office. 71w logs are revitwod periodically top assess whedwr the instrMent is becoming more difficult to cahibrate and therefore needs 4ustment by the V=U&cUI or if newprobes am rcquirr4 To reduce the #s 'ttial for introducing contaminants lor czoss-coemninaling samplesirr i., equipment that is used repcatedly at differcrit wrlb (mi-liae fater. meters,) will be vwr-*ishcAd in txiso4its : phosphate solution and triple zijL # with d6onizad water prior to -use, * M eaceachh -WIC The Monitoring wieffs am equipped Wft dCdiC2ted,=np1ing -zys.wrrch- v -- 'fi! will not, M docontaminatioiL Sterile factory scaled disposable bailers a= used to coffect the sample'. Ban cord is replaced between each weJL CUOundWater Monitoring will be conducted such *at &p(h to Vat= and s;mpling is pedormed in 01I least contaninated wells first (based on hisWticai results). Measurctnznt and 321nPrWS Order will d= move fimm lesser kpacted -wells to the most knpacted wdL& Ilds do" to rtzducc the potential dw wells and samples can be == coutarn"ti uftd. Groundwaw taonhoring order begins at MW -20 =0 then MW -12 vAi:u* at Out background wells. The next VM&S.,fisted in order, to in sarnpled am MW -15' -10, -1 and -3. These wells rw* cotftm evidence of dmnical impwts. The last wells to be'sampled, ILmod in order, includ* MW -1 4, -13 and -0- * Proposed well 16 wiU be sampled in an .rt p��' : order depen(rmg on w1w COUStitu=ts aredeftttod (if any) Mi the well upon the first =Mrm& Initiagy, MW -16 wM be �be ISStwell sampled, M 7, L- P 3,4 - f - ftt I