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meter to <br />• t point <br />s e , on <br />the probenot r <br />le it Should <br />locaW by dipping probe r s v water containerwhere thecontact, - <br />be <br />marked. Tbe total length of the water level meter should correspond with the length of the. <br />measuring tape. In addition, the individual marks on the cable should correspond with the <br />correctYs re, If the cabledoes not matchther <br />• r <br />shouldbe wt as a Per6entage,a w measures 102, <br />cct <br />Mmunments,with tk cable should -then be multiplied r, i'< to comctis the i <br />r. If the <br />iadividual foo4emarks i.. placedcorrectlyt am nots..s r s s <br />instrument st d be Mlaced <br />If the water level indicator is cor of cables s will be peiforxned• t <br />er <br />year. W there is a discmparicy,r r i s: will be marked directly on the instrumwt <br />Water s ► Y of tapemore subject to r: r ix and should be <br />calibrated <br />Calibration dam foreach instruzuent will .bc- od ` -- binder thvo f*r- c_ <br />ce. The most recent is will also be recorded in the ttclmkiaw field notes.. <br />Them 3s no specificibim for water level `indicator . <br />Ys. t Yt: ws t For dis remn s:xnetcrrmustt ar, t ,. <br />r..l• :samplingon .. <br />t • and at leastonce more during # day. To calibrate apH mtter the instrument <br />is <br />21 !. to read i w i':solutionswitha staadzrd,PK <br />Stas s. tsoludons are sa s wd fitd4 a=rdingiagt McY t for Y #t i s> i <br />Standardsolutions or K for pH 4and 10are commadally <br />-am purchwedY and, t N tea after slielfhas rs >t SbWt `s.+tt s;+ on tbo <br />brand of is Y used. if s prepared t Kinis used, the +t.fi say daftof dx Soluti0ii <br />WM <br />be noted on the calibration tY <br />Although. t bran& of pH =tcrs vay, calibration for all of thm <br />Agen,aralized calibradon procedure folio <br />4 ^ <br />Tum on the ' t� ow to warm up if necessaq., <br />0 -FO IM IOR32S l4-2 jWy 14,2000 <br />