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THE pH Meter Calibration Log <br /> MARK <br /> InrINGROUP <br /> Meter No. <br /> ENGINEERS d GEOLOGISTS, INC <br /> Date Temp (OC) Standard/Actual Standard/Actual Standard/Actual Project No. Operator Comments <br /> �- «S Y6C' 7.0 7./0 16. iv.o r •371- JQK <br />