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2. Rinse t t pH probe and tenlPerat= prOb,-- with deionized water thealace in <br />P the pH � <br />solution, <br />I <br />3. Adjust the meter for the `aFrOk t ttire th44 read the pH. <br />4" if required use the "calibrate" eut on the meter to Correct the instrument to <br />PH ?. read <br />Rinseprobes with deionim, vater and place in the I PH 10 <br />solution Owte: at forward it::! groundwater PH <br />above therefore <br />appropriate to use the ph 10 stardard. If the PH is below 7 <br />! the PH 4 standard should <br />1' wr <br />6, Use the 'Slope" 4ustruent tocorrect the meter to propedy r <br />tad PHIQ. <br />i_ Repeat steps 2 to 6 until the meter reads p 1 and 10 as closely as "tyleThe _ <br />tnifibratioa process be on a PIS calibration tog„ copies of c-alib irition logs for <br />oath . d are kept in a binder.a€ ofilcx-- The Jolp am reviewtd <br />—^ periodicallytoassess wiether the ios eaL • is � to lmbbMe . <br />tlxerefore -needs <br />f adj nt try the <br />. , or if `uew probes art required. <br />CQndUC11:xLtyMeter <br />Dag g, s r f xtr :. <br />x +r s! t t ! a s <br />ra y! rrs • <br />! r°; s �� • t s; a t` s s:: on tach ♦., and 10tice more during the day To calilwate a cond=d-vity meter the <br />Standard (a.! t r ! s k # s f = t! ♦ Wr fivskaccarifing to pwjmgeft'! tam,'♦ rs <br />swmpling event Standard solutims foroomfuctivityof 0! 1 1 or # ! unihosew <br />rt tl : x ,le: Th= standardsr s t<..s !.. and <Rscarjed after shelf fif,: has <br />.i+r #:..aShelf lives vary !, suss • • '' on the brand ! <br />uved, the CXPIration' (W* of the solution will be noted on the cabibr4ot, log. <br />23-4Q349-FO1W 101132S A-3 <br />CqVVkW 20M Kkwswa. IV - <br />i <br />July i4, 2000 <br />5 <br />