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I Rinse the pH probe and temperature probe with deioaizett water then plate in the pH 7 <br />t <br />solution. <br />3. Adjust the meter for the ap r . e temperature then read dx pH <br />4- If fequired use die " ,4usumton the meter to correct the ksu=ent <br />to <br />7.. <br />read <br />and temperamm.. h deioniwd water a place <br />Solution :t Forward IandM groundwaret, #' is ,;ly <br />above#:r:: <br />appropriate to use the Ph 10 standard. If the pH is below d=thepH 4 standard <br />be used) should <br />f. Use the "slope" a&JUStMerrt tO IcOffca the meter to property rem pH 10- <br />7. <br />0-7a steps 2 to 6 cram the meter reads pH -7 and 10 as closety as -bIe. <br />. n praa= vvM be recorded on a P les of calibration lop for <br />each Individual insuumt=t am kept in a binderat y <br />to am= whcdw the ins . irebecoming-momi <br />adjustment by the manufacmm. or ifnew <br />COO&X:dvity=<=surement is subjectY variations due # ttmperab= wd h1str=em:# ifL f <br />rea=m <*nductMty meters##:# be ar as 3k before and after samplingon ,✓: f t.:, and at <br />+"S once =<a,- s #r r t, day. To cHibrate ar# f aF: X ii',r rr r # a ttt+++f <br />w.sr # -- # +acorrectlyfor # i! 3#3. with Yi;tr :#Yi # conductivity. <br />f;:. t.IK2 a conducdvity# ii. i .# t# ..:# finskacem-Ting to <br />PWJMge instructions, for each <br />,. aars i+ r m s a t whitkims if br =ductivityof 100, 1000, or 0,0()o tett r f w <br />•aria# .a i»UHY • Ihese +r1t.6r t ' ..i # 4,._. t , 'r«.X` fivA and # w, a t aler' # #. life bas <br />.V,.t Shelf Hves vary t s'wtr #_ on the brandof standards use# <br />pm r . r # sowon is <br />wed, d t# .a' a r t -# a date ofthe soludon * be noted # the r; ,a o■- 109. <br />x <br />