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2. Rinse the turbidity probe with d6onized water then place in the standard soluUorL 3. Adjust the meter for appropriate turbidity.scale then read the turbidity. 4. If required use the "calibrate" adjustment on the meter to correct the instrument te) read the corset turbidity. - The a0mfion process will be'recorded on a turbidity calibration lag. A Sample Calibration Log is located in Appendix C. Copies of calibration logs for eacb individual instrurnew an kept in a binder at the office. The logs arc reviewed Y orp assess whether the' ent is beooming-more difficult to cal=ibrate and therefore needs affijustment by the manufacturer, or if new probes are required. .Equipment Decontamination To reduce the potential for introducing contaminants or-cross-contaminating pl =Mpling eqUipMCM that is used repeatedly at diff Brent (in-line filter, meters wt'llbe ed in a ftis 'um,phosphate solution and triple zinsed with 'o ' water prior to.use.in ea�-wclL- The monitozing wells ate =quipped with dedicated-sampling-systems-which:-will not � dccontaxninatioxL Sterile factory sealed disposable bailers=used to collax the samples. ]B Oer cord is replaced between each well MonitoringMcifitoring OrderGtO . O undwaker monitoring will be conducted such.that dqA to waterm =s and sampling -- n performed.in the least ed wells ). Measm=wt and sampling order will am move from to the mott Impacted vmlLs. This is done to reduce the potential that wells and samples can be; cross contaminated. GroundwaW Mo ' g order at MW-20 and -1 the vud welt The iu.�xt in order, to be sampled arc -1 , -1 , -1 and 3.. 'These writs iarejy contain evidence of dxmicgi impacts. The last vvells to belsampled, in order,include 14,-•13 . and -. ' Proposed well 16 will be sampled in .ropdate order depea&g on vibat _ conslituents are detected (if any) in the well upon the f=sampling. hitially, MW_16 will-be the I&Stwell sampled. 13-483&49-p0IM IOR325 A-S fitly 14,204U 2040 IeseWd4a,Jv_