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2, Rinse the turbidity probe with delionized water Bien place in the standard solution. <br /> 3. Adjust the meter for appropriatd turbidity.scale then read the turbidity. <br /> 4. If required use the "calibrate" adjustment on the meter to correct the instrument to read <br /> the co idity. - <br /> The caUration process will be,recorded on a turbidity 'ori log. A S=ple Calibr.Won <br /> LOS is located in Appendix C. Copies of calibration logs for eacb individual instrument are kept <br /> in a binder at the office. The lags are reviewed periodically top assess whether the instrunient is <br /> becO;ning more difficult to calibrate and therefore needs 4ustmdzt by the riaaiiufacturer, or if <br /> new probes are required. <br /> Xquipment Decontamination - <br /> To raduce the potential for introducing contaminants or ng ar,aples,sampling <br /> equipment that is used repeatedly at diff . in-line filter; meters) v7M be gashed in a <br /> Uisod'um.pho-V solution and triple rinsed with delonizcdprior to.use.in cacti-we1L•. . <br /> The monitoring wells are equipped with dedicated-sampling-zy.,m=s­wluch-:wm riot ' � <br /> dOCOntantination. Sterile factory scaled disposable bailers arc used to collect the samples. Sailer <br /> cord is replaced between each well <br /> Monitor Order ' <br /> P <br /> Groundwater monitoring will beconducted such.&at depth to water measurements and sampling <br /> is performed in the least co ed o )• Measurement and <br /> sanipling order will d=move fivni lesser impacted'wellsto the most imqmcted wrX& TWsis <br /> done to reduce the pot=CW &at wells and samples am be == contimirmte& Groundwatcr <br /> Monitoring order begins at 20 and tb=MW-12 'ch are the backgmund weils' The next <br /> in order, to be sampled a'= -1 , -10, -1 3.. These ' <br /> _ Y <br /> tvidence of dxanicgl' . The last wells to be'sampled, in order, <br /> include MW.14,.-13 <br /> and '2. ' Proposed well 16 wM be sampled in _ropdwte order depending on what <br /> coratituctits are d (if any) in the well upon h&bay,y, -16 will-be <br /> the laAwell sampled. <br /> 23-483849-FO1%2310.1t325 A-3 fitly 14,2000 <br /> CepyfkM 200 der,lac. <br /> t <br />