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TABLE 4 WELL COMPLETION DETAIL Total Drilled Screen Screen Depth 1 Interval or Interval or Length of (Maximum Well Casing Top of Base of Screen or Sounded Size(Inside Injection Injection Injection General Installation Installation Depth) Diameter in Well Casing Sparge Point Sparge Point I Sparge Point Well# Location Well Type Date Oversight By: (feet bgs) Inches) Material Screen!Completion Type (feet bgs) (feet bgs) (feet) J.P.Cummings& MW1 On Site GWM 9/8/1999 Associates 741(73.54) 2 Sch 40 PVC .020"Factory Slotted 54 74 20 J.P. Cummings& MW2 On Site GWM 9/9/1999 Associates 74*(74.6G)' 2 Sch 40 PVC .020"Factory Slotted 54* 74* 20 J.P.Cummings 8 MW3 On Site 'GWM 9/9/1999 Associates 71 /(70.5?2 2 Sch 40 PVC .020"Factory Slotted 51 71 20 J.P.Cummings& MW4 On Site GWM 8/21/2000 Associates 75/(74.66) 2 Sch 40 PVC .020"Factory Slotted 55 75 20 J.P.Cummings& MW5 On Site GWM 8/2212000 Associates 70* 70.51 2 2 Sch 40 PVC .020"Factory Slotted 50* 70* 20 MW5a Off site GWM 5/20/2003 GHH 751 74.34) 2 Sch 40 PVC 020"Facto Slotted 55 75 20 MW6b Off Site GWM 5/21/2003 GHH 94*! 94.33 2 Sch 40 PVC .020"Factory Slotted 89* 94* 5 MW6c Off Site GWM 4/16/2004 ATC 1101 107.41 2 Sch 40 PVC .020"Factory Slotted 105 110 5 MW7a Off Site GWM 5/22/2003 GHH 74.51(74.28) 2 Sch 40 PVC .020"Factory Slotted 54.5 74.5 20 MW7b Off Site GWM 5/23/2003 GHH 94*1 94.20) 2 Sch 40 PVC .020"Factory Slotted 89* 94* 5 MW7c Off Site GWM 2/25/2004 ATC 1101(103.87) 2 Sch 40 PVC 020"Factory Slotted 100 105 5 MW8 On Site GWM 2/17/2004 ATC 110/ 106.36) 2 Sch 40 PVC .020"Factory Slotted 100 105 5 MW92 Off Site GWM 4/12/2004 ATC 75/(74.01) 2 Sch 40 PVC .020"Factory Slotted 55.0 75.0 20 MW9b Off Site GWM 4/12/2004 ATC 951 92.70 2 Sch 40 PVC .020"Facto Slotted 89 94 5 MW9c Off Site GWM 2/18/2004 ATC 110! 107.1) 2 Sch 40 PVC .020"Factory Slotted 105 110 5 MW10a Off Site GWM 4/12/2004 ATC 75(73.39) 2 Sch 40 PVC .020"Factory Slotted 55.0 75.0 20 MW10b Off Site GWM 4/15/2004 ATC 951(94.45) 2 Sch 40 PVC .020"Factory Slotted 90 95 5 MW1De Off Site GWM 4/16/2004 ATC 110(107.21) 2 Sch 40 PVC .020"Factory Slotted 105 110 5 EW-1 On Site GWM 5/19/2003 GHH 74*/(74.67)"' 4 Sch 40 PVC .030 Factory Slotted 54* 74* 20 IW1 -Deep On Site Nested INJ .1116/2004 ATC 111.5 0.75 Sch 80 PVC 1"Ozone Diffuser 105.2 107.7 2.5 IW1 -Shallow On Site Nested INJ 1/16/2004 ATC 111.5 0.75 Sch 80 PVC 1"Ozone Diffuser 71.5 74 2.5 IW2-Deep On Site Nested INJ 1/21/2004 ATC 111.5 0.75 Sch 80 PVC 1"Ozone Diffuser 105.2 107.7 2.5 IW2-Shallow On Site Nested INJ 1/21/2004 ATC 111.5 0.75 Sch 80 PVC 1"Ozone Diffuser 71.5 74 2.5 1W3-Deep On Site Nested INJ 1/15/2004 ATC 110.5 0.75 Sch 80 PVC V Ozone Diffuser 105.2 107.7 2.5 IW3-Shallow On Site Nested INJ 1/15/2004 ATC 110.5 0.75 Sch 80 PVC 1"Ozone Diffuser 71.5 74 2.5 L-Shillow On Site Nested INJ 1/14/2004 ATC 110.5 0.75 Sch 80 PVC V Ozone Diffuser 105.2 107.7 2.5 On Site Nested INJ 1/14/2004 ATC 1105 075 Sch 80 PVC 1"Ozone Diffuser 71.5 74 2.5 On SiteNested INJ 111912D04 ATC 1105 075 Sch 80 PVC 1"Ozone Diffuser 105.2 107.7 2.5 w On !le I Nested04 110.5 0.75 c 80 PVC 1"Ozone-Diffuser 71.5 74 *Note:Depths of Wells and Screens MW2,MW5, MW6b MW7b and EW1 appear to be off depth based on later well depth 1 Based on sounded total depth on 8113104 and 9113104;See field notes. 2 Based on sounded total depth on 9113104;See field notes. 3 Based on sounded total depth on 9113104;See field notes. 4 Based on sounded total depth on 9113104;See field notes. 5 Based on sounded total depth on 9113104;See field notes. INJ=remediation Injection GWM=Ground Water Monitoring