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MPDS-UN6981-07 <br /> May 22, 1995 <br /> Page 4 of 18 <br /> TABLE 2 <br /> RECORD OF THE TEMPERATURE, CONDUCTIVITY, pH VALUES <br /> IN THE MONITORING WELLS DURING PURGING AND PRIOR TO SAMPLING <br /> Gallons Casing Temper- conductivity <br /> per Casing Gallons Volumes ature ( [µmhos/cml <br /> well l ### Volume Time Purged purged ---(-OF) X100) pH <br /> (Measured on April 26, 1995) <br /> MW1 6 19 14 00 0 0 68 0 2 54 7 . 93 <br /> 6 0 . 97 68 . 9 2 . 39 7 . 72 <br /> 12 5 2 02 69 . 6 2 . 61 7 .49 <br /> 18 . 5 2 99 70 . 1 2 . 89 7 . 31 <br /> 14 : 21 25 4 . 04 70 4 2 96 7 29 <br /> MW6 4 .35 14 58 0 0 67 1 2 . 69 7 . 91 <br /> 4 5 1 03 67 . 8 2 . 75 7 . 70 <br /> 9 2 . 07 68 .2 2 80 7 60 <br /> 13 . 5 3 . 10 68 4 2 82 7 54 <br /> 15 . 12 17 5 4 . 02 68 5 2 88 7 . 51 <br /> MW8 4 . 56 12 56 0 0 65 7 3 . 10 7 . 69 <br /> 4 5 0 99 66 8 3 . 18 7 . 58 <br /> 9 1 97 67 3 3 22 7 50 <br /> 13 5 2 . 96 67 8 3 25 7 .43 <br /> 18 5 4 06 68 0 3 25 7 39 <br /> MW9 4 .48 11 08 0 0 64 1 3 54 7 87 <br /> 4 5 1 00 64 8 3 61 7 60 <br /> 9 2 01 65 3 3 63 7 47 <br /> 13 5 3 01 65 7 3 61 7 39 <br /> 11 22 18 4 02 65 8 3 61 7 . 34 <br /> MW10 4 . 61 12 05 0 0 65 2 2 73 7 . 91 <br /> 4 5 0 98 65 9 2 80 7 . 70 <br /> 9 1 95 66 2 2 91 7 . 60 <br /> 13 5 2 93 66 5 2 95 7 51 <br /> 12 20 18 5 4 01 66 9 2 92 7 .48 <br />