ARCHIVED REPORTS FIRST QUARTER GROUNDWATER MONITORING REPORT FEBRUARY 2014

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Table B- Historic Diesel Thickness Measurements and Product Recovery Data(06/18199 through 3/31/14) ' Cumulative Depth to Depth m Diesel Diesel Date Recovery Floating p Operations and M1laintenance Notes Well Croumdwater Thickness Removed Diesel (gallons) ' RW-1 - 11.62 - RW-2 t2.29 12.61 032 2274 arrival; atter recovery tank volume Cooke empty. ately 0.4 Movedpgallon. immefrm er offRW-4 upon 5/10/06 RW-3 12.40 12.70 0.30 31.04 amval;ba0ery dead and nitrogen tank empty.Moved passiveskimmerfrom RW-4n RW ' RW-4 - 1161 - 113,14 2.Recovered approximately 1.6 gallons of product from RW-3.Ending recovery tank RW-5 11.56 volume approximately 2.0 gallons. RW-6 11.97 12.08 0.11 4.17 RW-1 - 11.63 - Initial product recovery tank volume approximately 2.0 gallons.Recovered approximately RW-2 12.46 12.67 0.21 22.89 0.2 gallons of product from RW-2 and RW-3.Passive skimmer in RW-2 full of product. 5.Lb 06 RW-3 12'33 12.71 038 31.09 Reinstalled SmakEZ sock in RW-6 and passive skimmer in RW-2,and reactivated active RW4 11.80 113'14 skimmer in RW-3.Active skimmer set at 3 mm3 x per day.Ending recovery tank volume RW-5 - 11.57 approximately 22 gallons. RW-6 12.04 12.15 0.11 4.17 ' RW 1 11.71 RW-1 12.62 12.80 0.18- 23.04 Initial product recovery tank volume approximately 2.2 gallons.Recovered approximately 5/19106 RW-3 12.51 12.57 006 31.51 0.55 gallon of product from RW-2 and RW-3.Uponamval,nitrogen tank empty and RW-4 - 1288 - 113,14 coming time is 0-48;active skimmer in RW-3 not on.Ending recovery tank volume RW-5 - 11.66 - approximately 2.75 gallons. ' RW- 12.10 12.21 0.11 4.17 RW 1l 1164 Initial product recovery tarok volume approximately 2.75 gallons.Removed passive RW-2 12.50 12.61 0.11 23.19 skimmer from RW-2(full)and emptied product into recovery drum.Active skimmer in RW-3 12'37 12.53 0.16 31.61 RW-3oIfupon arrival.Replacedihooked up new nitrogen bottle.Turned on active 8125/06 ' RW41176 - 113,14 skimmer.Nitrogen pressure 2000/48,set active skimmer al 3 milv3x per day.Recovered - RW-5 11.44 approximately 0.25 gallon of product from RW-2 and RW-3.Ending recovery tank RW-6 12.01 12.11 0.10 4.17 volume approximately 3.0 gallons. RW-1 - 11.66 - Initial product recovery tank approximately 3.2 gallons.Active skimmer removed RW-2 12.46 12.53 0.07 23.19 approximately 0.22 gallons of product from RW-3 since last event.Nitrogen tank empty ' 61'06 RW-3 12.40 12.45 0.05 31.83 and active skimmer in RW-3 off upon arrival.Used disposable bailer in attempt to remove RW-4 11.78 113.14 product from wells(unsuccessful).Active skimmer left off on departure.Ending recovery RW-5 11.58 code volume approximately 3.2 gallons. RW-6 12.05 12.11 0.06 4.17 RW I - 1176 - Initial product recovery tank volume approximately 3.2 gallons.N hrogen tank empty and ' RW-2 12.59 12.66 023!j pump power source disconnected.Reconnected power source and used voltage meter to RW-3 12'51 1270 028 32.04 check battery charge.Battery condition OK.Trace amountof product in RW-2,RW-4, G/20/Ob RW-4 1192 11.97 0.05 113.14 and RW-6.Removed approximately 0.24 gallons of product from RW-2 and RW-3 with RW-5 - 11.71 - bailer.Changed nitrogen tank,restarted system 3 minutes/3 times per day. Ending ' RW-6 12.20 12.31 0.11 4.17 recovery tank volume apEmximately 3.4 gallons. RW-I 11.81 RW-2 12.69 12.72 0.03 23.25 Initial product recovery tank volume approximately 3.4 gallons.Active skimmer on ta RW-3 12.61 12.63 0.02 32.04 RW-3;pump cycle set for 3 minutes/3 times pm day.Tested battery with voltage meter; 6/26/06 RW-4 11.96 12.00 0.04 113.14 battery condition ON.Approximately four Ounces Of product inpassiveskimmerinRW- ' RW-5 - 11.75 - 2;emptied into product drum. Ending recovery lank volume approximately 3.4. RW-6 1227 12.37 0.10 4.17 RW-1 11.86 Initial product recovery tank volume approximmely,3g gallons.Approximately 0.35 RW-2 12.77 12.81 0.04 23.30 gallon of product was recovered with active skimmer in RW-3 since last recovery event ' RW-3 - 12.71 - 32'39 and approximately 0.05 gallon was recovered with passive skimmer in RW-2.Attempted SiOG RW-4 12.01 12.OG 0.04 113.14 to use disposable bailers to remove product from RW-2.RW-4,and RW-G;no product RW-5 11.81 was recovered with bailer Ending recovery tank volume approximately 3.8 gallons. RW-6 12.41 12.47 0.06 4.17 RW-1 - 11.89 - RW-2 12.69 12.78 0.09 23.30 Initial product recovery tank volume approximately 3.8 gallons.Active skimmer off in 7 14/06 RW-3 12.75 12.86 0.11 32.39 RW-3.No product in passive skimmer in RW-2.Attempted m use disposal bailers m RW-4 12.02 12.06 0.04 113.14 remove product in RW-2,RW-3,RW-4,and RW-6;no product was recovered.Ending RW-5 - 11.85 - recovery tank volume approximately 3.8 gallons. RW-6 12.31 12.39 0.08 4.17 ' RW-1 - 1193 - Initial product recovery took volume approximately 3.8 gallons.Active skimmer off in RW-2 12.80 12.81 0.01 2330 RW-3 Nitrogen tank appears to be empty,power supply disconnected.Changed fitting on 7/21/06 RW-3 12.76 12.91 0.15 3239 pump-line side of control box.Supply-line side has recently been replaced.System not RW-0 12.10 12.15 0.05 113.14 running.Trace amounts of product in wells RW-2,RW-3,RW-4,and RW-6.Did not bail. RW-5 - 11.88 Ending recovery tank volume approximately 3.8 gallons. RW-6 12.38 12.50 0.12 1 4.17 Page 13 of 30 ' %:\Project\1000_p011838 PLDF Diesel Dne\1838F\Reports\1014\Table BAN