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geologkaI reckncrs Inc Page 10 <br /> ' Groundwater Monitonng Report <br /> Project No 425 2 <br /> January 31,2006 <br /> • pH measurements taken in Zone B ranged between 7 37 (MW-2X) and 7 45 (MW- <br /> 101) <br /> ' • The average groundwater temperature in Zone B was 69 2°F <br /> Zone C &D <br /> • Dissolved Oxygen (DO) measurements taken in Zone C & D ranged between 1 19 <br /> (MW-202) and 1 83 ppm(MW-102) <br /> • DO levels above 1 ppm are conducive to aerobic biodegradation <br /> ' • Oxidation-Reduction Potential (ORP) measurements were positive in the Zone C <br /> monitoring wells <br /> ' • Electric Conductivity (EC) measurements taken in Zone C & D ranged between 1,457 <br /> (MW-202) and 1,921 (Dmhos/cm (MW-107) <br /> • pH measurements taken in Zone C & D ranged between 7 37 (MW-201) and 7 43 <br /> ' (MW-107) <br /> • The average groundwater temperature in Zone C & D was 67 1°F <br /> Domestic Wells <br /> • Domestic well data is not summarized in a table <br /> • Domestic well field parameter data can be found on the quarterly field monitoring <br /> summary reports in Appendix C <br /> • 1600 "A" Durham Fera <br /> ' • DO is 3 10 ppm <br /> • ORP is 19 mV <br /> • EC measured 1,422 (Dmhos/cm <br /> • PH measured 7 58 <br /> • Temperature 68 7°F <br /> • 1697 Durham Fe <br /> ' • DO is 2 47 ppm <br /> • ORP is 36 2 mV <br /> • EC measured 1,609 (]mhos/cm <br /> ' • PH measured 7 44 <br /> • Temperature 66 4°F <br /> ' 33148 Highway 33 <br /> • DO is 2 34 ppm <br /> • ORP is 39 0 mV <br /> • EC measured 1,404 (Dn hos/cm <br /> • PH measured 7 51 <br /> • Temperature 63 9°F <br /> 1 <br />