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' Table B-Historic Diesel Thickness Measurements and Product Recovery Data(06/18/99 through 9/30/15) <br /> Date Recovery Depth to cumulative Floating Depth[o Diesel Diesel <br /> ' Well roundwater <br /> Diesel GThickness Removed Operations and Maintenance Notes <br /> (gallons) <br /> RW-2 13.06 13.12 <br /> 0.06 19.70 The skimmer pump regulator and baste <br /> 4/13/03 RW- rywere Aba.,ot rationc,ks elmepresit RW-4' 3 13.19 13.39 0.30 functional;however,the tank pressure was not.Absorbent socks m RW'-2 and RW-4 <br /> 2.90 strained;aneglig'bleaivountofproductrecovered.Skimmerpumpremovedfrom RW-3 <br /> R WA 12.02 15.58 3.56 4245 and installed in RW-0,Recovery socks were reinserted in RW-2 <br /> Approximately 3.5 gallons in product recovery barrel. and R W-3. <br /> RW-2 13.06 13.14 0.08 <br /> 19.70 Skimmer pump removed from RW-4 and inspected.Skimmer pump was reinstalled m <br /> ' 4/25/03 R W-3 13.02 13 51 RW-0 and the pump cycle set at(6)5-minute cycles/day.The N2 nick supply tank and <br /> 0.49 2.80 battery were replaced and a new <br /> was reset at 3 3- regulator was purchased and W-2ainstalled.The pump cycle <br /> RW-4 12 58 ;a minute cycles per day.Absorbent socks N RW-2 and R0.5 strained <br /> 13.05 0.47 99,95 and replaced;anegligible amount of <br /> product recovery Product recovered.Approximately 10.5 gallons N <br /> ery barrel. <br /> RW-2 13.I6 13.370.21 1 19.70 <br /> Initial measurement of the product recovery barrel indicated approximately 22]5 gallon <br /> 5/22/03of diesel product.Skimmer pump left R W-0;pump cycle reset to(1)5-minute <br /> RW-3 13.02 14.34 1.32 m 3.80 cycle/day.Absorbent socks in' RW-2and <br /> of 3 removed and strained;a negligible <br /> product recovered.Approxbnately I gallon of Reeprodud was bailed from <br /> RW-4 12 77I_8_] RW-3 and added to the product recovery barrel.The absorbent socks were replaced I. <br /> 0.05 61,]0 RW-2 and RW-3.Approximately 23.75 gallons N product recovery barrel. <br /> ' RW-2 13.85 14.34 0.49 <br /> 19.95 Skimmer pump in RW-0 set on continuous mode for 24 minutes;pump cycle than reset <br /> to(I)5-minute cycla/day.Approximately 11.75 gallons ofproduct recovered from RW <br /> 7/7/03 RW-3 13.63 15.051.42 5.05 4.Absorbent socks in RW-2 and RW-3 removed and strmacd;a negligible amount of <br /> Product recovered.Approximately 0.25 gallons and 1.25 gallons of <br /> ' <br /> bailed from R W-2 and RW- g free Product were 3,respectively,and added, the product recovery barrel. <br /> RW-4 13.05 15.32 The absorbent socks were replaced m RW-2 <br /> 2.2] 73.45 P and RW-3.Approximately 37 gallons in <br /> Product recovery barrel. <br /> RW-2 14'29 14.87 0.58 19.95 Pmductrecoverybarzelmeasurementindicatedapproximately46.75gallonsofproduct. <br /> ' Full tank removed and replaced with an empty recovery bam1;skimmer Pump set m <br /> 8/8/03 continuous mode.Full product barrel set next to diesel AS basin.Skimmer pump el <br /> RW-3 14.23 14.94 0.71 RW4 set on continuous until no <br /> 5.05 Product10.25recovered;pump cycle then reset to(I)10- <br /> minute cycle/day.gpproximately 10.25 gallons ofproduct recovered from R W-0. <br /> Absorbent socks in RW-2 and RW-3 removed and strained:a negligible amount of <br />' RW-0 13.58 15.61 2.03 83.70 product recovered.The absorbent socks were replaced in RW-2 aad RW-3, <br /> Approximately 0.5 gallons m Product recovery barrel, <br /> RW-1 13.88 13.90 0.02 <br /> 8/19/03 <br /> RW-2 14 46 15'14 0.68 1995 Skimmer pump tamed off;left in place an RW4.Groundwater measurements in the <br /> RW-3 14 39 NA recovery wells indicated that the water level was insufficient to support skimming.The <br />' RW-0 NA 5.05 <br /> 13.51 NA 83.70 Product layer m all recovery wells was insufficient for bailing m be effective.The <br /> RW-1 14.30 19,51 021 skimmer was deactivated pending further groundwater elevation evaluation. <br /> RW-1 14.01 14.07 <br /> 0.02 <br /> RW-2 <br /> 14.54 15.27 0.73 19.95 <br /> 8/29/03 RW-3 14.51 15.07 0.56 5.05 Skmanner Pump deactivated and IeR in place in RW-4.Groundwater level m wells <br />' RW4 _ - - 83.70 insufficient to support skimming operations.Product layer insufficient for bailing to be <br /> RW-5 13.95 effective.All recovery wells close to dry. <br /> RW-6 14.42 14.45 0.03 <br /> RW4 14.07 14.08 0.01 <br /> RW-2 14.56 15.65 0.09 19.95 Product recovery barrel measurement indicated approximately 3 gallons ofproduct. <br />' 9/5/03 RW-3 14.55 15.01 0.46 5.05 Skimmer um remains deactivated and in place el RWA.Groundwater level m wells <br /> RW-4 13.91 15.56 1.65 83.70 ivsufLcient tosu ort skimming RW-5 14.00 - effective.All recovery 6 operations.Product layer insufficient for bailing to be <br /> RW-6 14.40 14.66 0.26 ry welk close to dry. <br /> RW-1 14.04 14.05 0.01 <br />' RW-2 14.61 14.65 0.04 19.95 <br /> 9/19/03 KW-3 14.62 14.85 0.23 5.05 Skimmer pump remains deactivated and in place in RW-4.Groundwater level.wells <br /> RW4 14.00 15.20 1.20 83.70 insufficient to support skinning operations.Product layer ImuRcient for bailing to be <br /> RW-5 - 14.50 - effective. <br /> I RW-6 14.50 14.51 0.01 <br /> Skimmer pmnp deactivated and left m place m RW-0.Due to low groundwater elevations being insufficient to support skimming operations,no monitoring occurred between <br /> Se tembm 19,2003,and December 9,2003, <br /> I <br /> I <br /> X:Proje o7000�9VO64 Jones Dev Co(Por,iausly PNA)\70648 Diesel Recovery\Repens13C15\Table B.xls <br /> fl Page 5 of 34 <br />