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pH+ Data Log of Level 3 Mine Site Rock <br /> Measurement Constant <br />Sample # 4/14/0812:00 4/14/0812:00 4/14/0812:00 4/15/1200 <br /> Wt. of Container Wt. of Rock Wt. of Water pH+ <br /> /grams /grams /grams <br />#1 8g/ tare 21g/ tare 21g 5.23 <br /> 5.45 <br /> 5.56 <br />#2 8g/ tare 21g/ tare 21g 6.17 <br /> 6.25 <br /> 6.39 <br />#3 8g/ tare 21g/ tare 21g 6.08 <br /> 6.13 <br /> 6.26 <br />pH+Std. 4 4.01 <br />pH+ Std. 7 Start=6.99 <br /> End=7.03 <br />pH+Std. 10 9.98 <br />Notes: Using a 1:1 dilution ratio, 20g/20g is the minimum weight sample/water if completing 3 <br />measurements filling both temperature/ pH wells. <br />