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2. Rinse the FH probe and temperature probevith dtionized water then glace in the PH 7 <br /> solution. <br /> 3.. Adjust the meter for the aPPrOPriaw temPOratum then read the pH. <br /> 4. If "calibrate" adjustment on the meter, to correct the instn=,tnt to <br /> read <br /> pH 7. <br /> S. <br /> Rinse e PH WW tentPawm probes with deiOniZed water and puce in the pH 10 <br /> solution (note: at Forward landO groundwaw. pH is mu2ify tzbove 7 thercforc it is <br /> appropriate to use the Ph 10 swxA&tvL 1f the pH i►blow 7 then the pH 4 mrd should <br /> be us <br /> C Use the "slope"adjustment to ea the to cter to properly read pH 10. <br /> 7. Repeat steps 2 to 6 unW the mew reads pH and 10 as closely aspossible_ <br /> The cahibration process x`11 be=corded on a pH calibration log. copies of calibration logs for <br /> ivzcl in a binderAt o `ewed periodically <br /> to assess whether the ins - becommg-more diffiadt to calibrate arid thcmfore.needs <br /> adjustment by the sir if new probes are rrri . <br /> CQndtxiivi l+rtctcr <br /> CoDductivk ineasurement is sullect to vwiadons due to teaqmatae and instrmutia dri& For <br /> t0nductmtY Metas must be c3librAted bef bm aud after Samp1mg on each day and at <br /> 148st once more d y. To calibrate a curl " "it' meter the insuument :read-rig is <br /> 4wftd to read �for solutions a standard conductivity <br /> Slandazd conductivity mi;xed fitsk according for eacb <br /> ` Standard soluticm for .M 100, 1000. or lt}, <br /> townkercially available. p . ,discardedshelf e has <br /> on die brand of Iis <br /> uud,the expiration date of the solution Will be voW on the calift4on log. <br /> }}2Y3 493949-FOy�I���23 t *14, <br /> C h76 g - - <br />