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2. Rinse the pH probe and -temperature pmbewith deo ` ed water then place in the pH 7 <br />YSolution. <br />j <br />Adjust the meter for the appropriate temperature then rud the PH. <br />h. If "calibrate" adjustment on the meter to correct the instn=cnt to read <br />PH 7. <br />.,d temperature probes with er water # placet <br />solutiongroundwaterfy <br />above <br />appropriaxe to use the Ph 10 stardard- If the #' is below 7 then the PH y <br />st=daN shouldbe ustd) <br />6. Use the "slope" adjmwnent to cca the meter to property r=d PH 10,. <br />7. Repeat steps 2 to 6 uned the metes rtads p I and 10 as closely as possible. <br />The Calibration Process wM be rworded on a pH calibration les of "on logs for <br />"vzd ire kept in abftKlcr.at reviewed d 'cally . <br />f to a ether - is. b `mom M to e thcefore xzc <br />adjustmenteds <br />y the or of new probes requircd. <br />ConduclixLtxmeter <br />Conductivity measurtmolt is sullect to variations dm to t=np=wm and instrument drI& F' <br />43is r=son tonductivity-u samprtngon <br />., x,# <br />least Once more during thc day To calibrate a coMuctivity meter the iustrument rwding <br />StUxIard conductivity solutions am mixed fivsk according to package instructions, for tach <br />=#rs # « nt Smudad wtudow for conductivity100, 1 Mo. ! s 0,000 #s w c <br />*M=aerdally available.Tbese sta##«• = purt-hasedtw ad dIs=ded <br />cqkv& Shelf lives yary dcpcading on the brand of standucts us6i If pm -prepared SoJWQU is <br />US*d, the expiration' date of the solution will be noted on the calibration log. <br />