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2. Rinse the PH probe and zzernp:raturc probe with dtionized water then place in the PH 7 <br />Solution. <br />3. Adjust the meter for the approPriate teew=turc then read the pH, <br />4- If required Ust the "calibrate- 4ac on the toeter to correct the kstn=,,,t <br />pH 7. to read <br />Rh= 1, pff and te-mperature proles wi6 deioniwd water and place in (be PH 10 <br />solution 00M at forward landfill gmundwawpH is asualty abOve 7 therefore it is <br />appropriate to use the ph 10 standad. tf the pli is befo47 then the pff 4 standard should <br />be used) <br />6. Use the "slope 4ustment to correct the meter to pmperly read - I <br />PH It <br />7- Repeat steps 2 to 6 until the meter reads pH.7;rad 10 as closely as po=-ble. <br />'Th*'Calibration. Proc= vvill b,,- recorded on a pH calibration k)g- copies of c-abibiadon logs for <br />ead' lmdividud,bltrument ire kept in.a &Inderat the Offlot- The togs am reviewod periodically <br />to asseas �fiedw the ftLArJif eg- is becoming nwm dIfficult to cabibrat, and thereforr- -needs <br />adjustment bY the manufacturrxor ifnew Probes am require& <br />**!T3aInPIM9,on vachday and at <br />le:= Once more dm* the day- To calibraw a coaducth* Meter the instuzuent reading is <br />1411:9ted tO read correctly for soMons -with a standard conduct iviq� <br />StuKfard conductivity soludons'am mbmd fi=k according to pacbg* <br />ftwmctions, foreach <br />samplinnt Standmd solutiow for conductivity of too, low"Or 10,000 umhos/litmr are <br />40MMCrCUU7 availabh_- These standards are p=hased fi=h and 4%=-ded afL-r.*4f Ufa has <br />OxPhvd� Shelf lfv=,�wy dqxadmig on to brand of standuds assi If <br />used, -the expiration' date ofthe solut:fon will be noted on the calibrAdon 109. <br />._9 . I & }• <br />A-3 <br />MMEM <br />I <br />0 <br />