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2. 'Riase the turbidity probe with Ocionized water then place in the standard solution. <br />3. Adjust the meter for appropriate turbidity. scaJe then read the turbidity. <br />*ne cafibraflon,proc= vvill be recorded on a turbidity calibmdon tog, A Sample Calibmtion <br />Log is located in Appendix C- Copies of cafibration logs for each in,&Mdual instn=ent am kept <br />m a binderat the office. 7he logs are re:-vitwed periodically top =ess wbather iffie instr=,mt is <br />b=oMing in= difficult to cahlrate 2nd themf= needs 41ustwmt by the �mw4ictx=, or if <br />new probes arc required. <br />Ns t Liqf* <br />14 — <br />To rnducc the jiotcatiai for introducing contamiu=ts or cross-coutaminating sarnples, sampag <br />equipment that is used rtp=tedly at differ=it wells (m-Imc filt=. met=) will be washed in a <br />trisod:. ##f phospl=e soludon and tdpfc a=d with dcioniwd water pdor to 7 each -well - <br />T <br />9 11 he monitorin•welh am equipped with dedicatc& sampling � sys� vAdch-.-wffl not- require - <br />dtcontammatioxL Sterde factory swlcd dispo=blc bailers arc used to collect the samples. Ba,fler <br />cord is replaced b4A-w,:en cacb well. <br />I F Y <br />is perfonxiod ia the least contamineed wells furt.(based on historical resWtz). Measarein=t =d <br />s=pling order will tb= move fmm lt== impacted'vvells to the mott hnpacted wdEs. This is <br />do" to kedtnc the pot=" #}::wells and =mples can be ccoss coawmhmted. Gramodwaw <br />Monitoring orderbegms at MW -20 aM then MW-12,which =the b=kground WtIls. Ilevext <br />welKTsted in cider, to 112--- sampled = MW -15, -10. -1 and -3. These vm1h rarefy contain <br />ovideace of diamical ka�. The Jut wells to be'.sampW, listed in oxd=, in4ude MW -14, -13 <br />and 4- * Ptoposed well 16 will b�* sainpled in an ipp.ropiate order dq>=dm'g on v*At <br />tonstift=ts am detected (if any) in the, vell upon the first sampral& Wtially, UW -16 will,bc <br />the Ust wen smpled. <br />23493949-FO]MIOR325 A-5 <br />Coppkk 2M XkWd4a. Iw- <br />992EE421J, <br />