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Table B-Historical Diesel Thickness Measurements and Product Recovery Data <br /> (6/18/99 through 11/9/05) <br /> Date n Recovery Depth to Depth to Diesel Cumulative Operations and Maintenance Notes <br /> Well Floating Groundwater Thickness Diesel <br /> Diesel Removed <br /> (gallons) <br /> RW2 8.57 9.19 0.62 <br /> 11/16/00 8.00 Skimmer turned on. <br /> RW-5 7.78 7.78 0.00 <br /> 11/17/00 Battery tampered with,pump inoperable. <br /> 11/22/00 RW-2 7.84 8.47 0.63 8.50 Skimmer turned on. <br /> 11/27/00 RW-2 8.50 8.98 0.48 8.80 Skimmer turned off <br /> 12/16/00 RW-2 9.72 10.88 1.16 8.00 Skimmer turned on. <br /> 12/19/00 RW-2 10.07 10.09 0.02 9.50 Skimmer turned off. <br /> 1/12/01 RW-2 10.18 10.56 0.38 9.50 Skimmer turned on. <br /> 1/16/01 RW-2 10.22 10.23 0.01 10.00 Skimmer turned off. <br /> RW-2 9.09 9.24 0.15. <br /> 2/14/01 10.25 Skimmer fumed on. Absorbent sock changed in RW-5. <br /> RW-5 8.30 8.31 0.01 <br /> 2/17/01 RW-2 9.25 9.27 0.02 10.50 Skimmer turned off. <br /> 3/15/01 RW-2 7.76 7.81 0.05 10.50 Skimmer turned on. <br /> 3/23/01 RW-2 7.73 7.74 0.01 10.75 Skimmer turned off. <br /> 4/27/01 RW-2 3.45 0.00 10.75 No apparent product,pump not activated. <br /> RW-2 8.62 9.21 0.59 <br /> 5/1 S/01 10.75 Skimmer turned on. <br /> RW-3 8.58 8.59 0.01 <br /> 5/18/01 RW-2 8.87 8.88 0.01 11.50 Skimmer turned off. Absorbent sock moved from RW-5 to RW-3. <br /> 6/21/01 RW-2 10.18 10.81 0.63 11_50 Skimmer turned on. <br /> 6/25/01 RW-2 10.73 10.74 0.01 12.00 Skimmer turned off. <br /> 7/16/01 RW-2 10.98 11.28 0.30 12.00 Skimmer turned on.Nitrogen tank and regulator missing upon arrival,replaced. <br /> 7/19/01 RW-2 11.06 11.07 0.01 12.50 Skimmer turned off.Tank and regulator removed. <br /> RW-2 11.63 12.28 0.65 <br /> 8/28/01 13.00 Quarterly monitoring.Absorbent sock moved from RW-3 to RW-5. <br /> RW-4 10.90 10.91 0.01 <br /> 8/29/01 RW-2 11.63 12.28 0.65 13.00 Skimmer turned on. <br /> 9/7/01 RW-2 12.05 12.10 0.05 13.25 Skimmer turned off. <br /> 9/20/01 RW-2 12.13 12.49 0.36 13.25 Skimmer turned on. <br /> 9/25/01 RW-2 12.11 12.12 0.01 13.50 Skimmer turned off. <br /> 11/2/01 RW-2 12.32 12.83 0.51 13.50 Skimmer turned oil. <br /> 1115101 RW-2 12.33 12.34 0.01 14.00 Skinuner turned off.Empty tank replaced. <br /> RW-2 12.38 12.41 0.03 <br /> 1 I/14/01 14.00 Quarterly monitoring.Absorbent sock moved from RW-5 to RW-4. <br /> RW-4 11.56 11.57 0.01 <br /> 11/26/01 RW-2 12.09 12.25 0.16 14.00 Skimmer turned on.Connections sealed and examined for leaks. <br /> 11/28/01 RW-2 12.10 12.11 0.01 14.50 Skimmer turned off. <br /> 12/26/01 RW-2 11.40 11.70 0.30 14.50 Skimmer turned on. <br /> 12/28/01 RW-2 11.57 11.58 0.01 15.00 Skimmer turned off. <br /> 1/23/02 RW-2 10.51 10.52 0.01 15.00 Skimmer serviced and not started. <br /> 1/25/02 RW-2 NM NM NM 15.00 Removed skimmer,inserted absorbent sock. <br /> RW-1 9.61 9.61 0.00 0.00 <br /> 2/I 1/02 Slneen noted in RW-I inspection sample.One gallon of product bailed from RW-4. <br /> RW-4 9.72 11.28 1.56 1.00 <br /> 2/20/02 RW-4 NM NM NM 2.50 Removed 1.5 gallons with skimmer. <br /> RW-2 10.69 10.79 0.10 15.00 <br /> 2/22/02 Absorbent sock in RW-2.Skimmer set for(3)5-minute cycles/day. <br /> RW-4 10.55 10.59 0.04 5.00 <br /> RW-2 10.82 11.02 0.20 15.00 <br /> 3/26/02 Absorbent sock in RW-2 saturated.Skimmer set for(6)5-minute cycles/day. <br /> RW-4 10.00 11.54 1.46 5.00 <br /> RW-2 10.88 11.01 0.13 15.00 <br /> 4/2/02 New absorbent sock inserted in RW-2.Removed 3 gallons of product from RW-4. <br /> RW-4 10.28 10.32 0.04 8.00 <br /> RW-2 11.16 11.19 0.03 15.00 <br /> 4/12/02 Skimmer inoperative(electronic timer malfunction);shipped 4/15/02 for service. <br /> RW-4 10.42 10.74 0.32 8.00 <br /> RW-2 11.48 11.54 0.06 15.00 Ran pump coutiuously until it stopped producing Product RW-2 post pumping <br /> 4/26/02 RW-2 11.61 11.62 0.01 15.00 measurements.Pump inserted in RW-4;skimmer set for(I)5-minute cycle/day. <br /> RW-4 11.07 10.70 0.37 8.00 <br /> RW-2 11.58 11.62 0.04 15.00 <br /> RW-2 11.51 11.52 0.01 15.00 Inserted & operated skimmer until pump stopped producing product. RW-2 <br /> 4/30/02 measurement after running pump. Pump inserted in RW-4; 3.5 gallons of product <br /> RW-4 10.84 10.86 0.02 11.50 removed,skimmer set for(1)3-minute cycle/day. <br /> RW-2 11.56 11.62 0.06 15.00 <br /> 5/3/02 Skimmer pump moved to RW-2;set for(3)one-minute cycles/day. <br /> RW-4 10.90 10.91 0.01 11.50 <br /> RW-2 11.77 11.78 0.01 15.00 <br /> 5/3/02 Skimmer pump moved to RW-2;set for(3)one-minute cycles/day. <br /> RW­4 10.95 11.00 0.05 11.50 <br /> RW-2 11.56 11.57 0.01 15.00 Absorbent socks inserted in RW-2. Skimmer pump moved to RW-4; one gallon of <br /> 5/10/02 <br /> RW-4 10.99 0.05 12.50 <br /> product recovered;skimmer set for(3)one-minute cycles/day. <br /> 11.04 <br /> Table B 111005 Page 2 of 11 <br />