ARCHIVED REPORTS FIRST QUARTER GROUNDWATER MONITORING REPORT FEBRUARY 2014

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Table B -Historic Diesel Thickness Measurements and Product Recovery Data(06/18/99 through 3/31/14) 1 Depth to Cumulative Date Recovery Floating Depth m Diesel Diesel Operations and Maintenance Notes Well Groundwater Thickness Removed Diesel ' (gallons) RW-I 12.67 RW-2 13.58 13.59 0.01 20.82 Initial measured product recovery lank volume approximately 32.1 gallons.Recovered 6 Id005 RW-3 13.51 13.87 0.36 21.43 total ofapproximmely 1.0 gallon from RW-2,RWA,and RW-4 from passive skimming RW-4 12.74 13.25 0.51 94.67 and bailing.Ending measured recovery tank volume approximately 33.1 gallons.Active RW-5 12.48 skimmer left off until recovery lank is replaced. RW-6 13.09 13.10 0.01 2.62 RW'I - Initial measured product recovery tank volume approximately 73.I gallons.Technician RW-2 - - - 20.83 did not have interface probe to measure product thicknesses.Recovered a combined total 6102005 RW-3 99 0 from RW-2,RW-3,and RW-4 of approximately 0.69 gallons from skimmers and bailing. Final measured product tank volume approximately 73.8 gallons.Active skimmer left off RW-5 - - until recovery tank is replaced. RW-6 2.62 ' RW-1 - 13.05 - RW-2 13.95 13.98 0.07 20.87 Initial measured product recovery tank volume approximately 73.8 gallons.Recovered a 6202005 RW-3 13.94 14.29 0.35 21.80 combined total from RW-3 and RW4 a f approximately 0.25 gallons from skimmers and RW-4 17.16 13.43 0.27 95.10 bailing.Final measured product recovery tank volume approximately 34.05 gallons. RW-5 - 12.75 - Active skinner left off until recovery lank is replaced. ' RW-6 1347 13.48 0.01 2.62 RW-1 13.16 RW-2 14.10 14.11 0.01 20.83 Initial measured product recovery tank volume approximately 34 gallons.Recovered a 6/27/2005 RW-3 14.09 14.24 0.15 21.92 combined total from RW-3 and RW4of approximately 0.13 gallons from skimmers and ' RW-4 13.31 13.53 0.22 95.24 bailing.Ending measured product recovery tank volume approximately 34.1 gallons. RW-5 12.85 Active skimmer left oIT= fit recovery tank is replaced. RW-6 13.57 13.60 0.07 1 2.62 RW-I - 13.35 - RW-2 14.28 14.29 0.01 20.83 Initial measured product recovery tank volume approximately 34.1 gallons.Recovered a 7/8/2005 RW-3 14.28 14.30 0.02 22.10 combined total from RW-3,RW-0,and RW-6 of approximately 0.63 gallons from RW-4 13.45 13,88 0.47 95.69 skimmers and bailing.Ending measured product recovery tank volume approximately RW-5 - 12.99 34.8 gallons.Active skimmer left off until recovery tank is replaced. RW-6 13.75 13.80 0.05 2.67 RW-1 - 13.46 - RW-214.32 14.34 0.02 20.85 Initial measured product recovery tank volume approximately 34.8 gallons.Recovered e 7/14/2005 RW-3 14.33 14.36 0.03 22.11 combined total from RW-3,RW-4,and RW-6 of approximately 0.35 gallons from RW-4 13.53 14.20 0.67 96.02 skimmers and bailing.Ending measured product recovery tank volume approximately RW-5 - 13.08 - 75.1 gallons.Active skimmer left off until recovery lank is replaced. t RW-6 13.87 13.92 0.05 1 2.67 RW-1 13.65 Initial measured product recovery tank volume approximately 35.1 gallons.Installed RW-2 14.5714.59 0.02 20.90 skimmer hardware and plumbing to new product drum.Recovered a combined total from RW-3 14.59 14.60 0.01 22.12 RW-2,RW-3.RW4.and RW-6 ofa roximatel 1.0 gallon from skimmers and bailing. 7/22/2005 RW-4 13.77 14.41 0.68 96.87 PP Y xi u ' Ending measured product recovery tank volume approximately 1.0 gallons in new product RW-5 13.24 drum.Active skimmer left off. RW-6 14.06 14.17 0.07 2.76 RW-I - 13.74 Initial measured product recovery tank volume approximately 1.0 gallons.Previous RW-2 14.63 14.65 0.02 2093. product drum had been removed from S itc.RecoveredacombinedtotalfromRW2,RW- ' RW-3 14.62 14.67 0.05 22.15 } RW-4,and RW-6 ofa approximately 0.75 gallons from skimmers and bailing.Ending 7292005 RW-4 13.7fi 14.82 1.06 97.55 PP Y g g g measured product recovery lank volume approximately 1.75 gallons.Active skimmer left RW-5 17.40 off. RW-6 14.16 14.19 1 0.03 1 2.78 RW-I - 13.88 - Initial measured product recovery tank volume approximately 1.75 gallons.Recovered RW-2 14.67 14.71 0.04 20.93 approximately 0.15 gallons from RW-4 with active skinner while on Site.Ending RW-3 14.79 14.85 0.06 22.15 measured product recovery tank volume approximate) 1.9 gallons.Active skimmer in 8/512005 RW4 13.91 15.06 1.15 9270 P ry Y RW-4 turned on 55 psi 7-20 minute cycles per day.Tested skimmer shut off on 1 minute RW-5 - 13.56 - cycles-appears to smn/shut off correctly.Changed battery out. ' RW-6 14.30 14.34 0.04 2.78 RW-1 14.01 Initial measured product recovery lank volume approximately 1.9 gallons.Nitrogen lank RW-2 14.80 14.82 0.02 20.93 for active skimmer empty on arrival.Recovered approximately 0.10 gallons from RW-4 RW-3 14.75 14.79 0.04 22.15 with bailer.Endingmeasured product recovery tank volumes approximately 2.0 gallons. 8/12/2005 RW-4 13.99 15.35 1.36 97.80 e rY PP Y ' Active skimmer m R W-0 Nmed off-maybe insufficient Fluid column for active skimmer RW-5 13.68 to operate. RW-6 14.41 14.60 0.19 2.78 1 ' X:\Prcjech1000y011838 PLOF Diesel Unett 838F\Reporuo1Q14\Table B.xls Page 10 0f 30