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 3/31114) Cumulative t Recover Depth to Depth to Diesel Diesel Date Y Floating Operations and Maintenance Notes Well Diesel Groundwater Thickness Removed ' (gallon) RW-1 12.08 RW-2 - 12,86 - 23.37 Initial product recovery tank volume approximately4.8 gallons.Approximately 0.35 and '07 RW-3 12.81 13.72 0.91 33.67 0.05 gallons ofproductwere removed via disposable bailer from RW-3 and RW-4, IF ' RW-4 12.35 12.61 0.26 113.23 respectively.Active skimmer off in RW-3.Passive skimmer in RW-4.Ending recovery RW-5 11.99 tank volume approximately 5.2 gallons. RW-6 12.57 12.71 0.14 4.17 RW-1 RW-2 - 12.74 - 23.37 Initial product recovery tank volume approximately 5.2 gallons.Approximately 0.6 and ' RW-3 12,73 13.61 0.88 34.27 0.02 gallons ofproduct were recovered from RW-3 and RW-4,respectively.Active 21>W RW-4 12.13 12.31 0.18 113.25 skimmer off in RW-3.Passive skimmer in RW-4.Ending recovery tank volume RW-5 - 9.37 - - approximately 5.8 gallons. RW-6 12.31 12.44 0.13 4.17 ' RW-I RW-2 - 12.44 23.37 Initial product recovery tank volume approximately 5.8 gallons.Approximately 0.0J RW-3 12.05 12.22 0.17 34.27 gallon ofproduct was recovered from RW-4,of which 0.01 gallon was recovered by the 3/9/07 RW-4 12.40 13.08 0.68 113.28 passive skimmer,and 0.02 gallon was recovered with a disposable bailer.Passive skinume RW-5 - 11.56 - in RW-4.Ending recovery tank volume approximately 5.8 gallons. RW-6 12.03 12.08 0.05 4.17 RW-1 11.68 RW-2 12,46 - 23.37 Initial product recovery tank volume approximately 5.8 gallons.Approximately 0.48 RW-3 12.31 13.30 0.99 34.75 gallon ofproduct was recovered from RW-3 with a disposable bailer,and approximately 4507 RWA 12.02 12.22 0.20 113.30 0.02 gallon ofproduct was recovered from RW-4 by the passive skimmer.Ending ' RW-5 - 11.58 - recovery rank volume approximately 6.4 gallons. RW-6 12.10 12.22 0.12 4.17 RW-1 - 11.73 - RW.2 - 12.60 - 23.37 Initial product recovery tank volumes approximately 6.4 allons.A Approximately 0.1 gallon ' RW-3 12.49 12.81 0.32 34.85 p ry with Y b PP e 4/13/07 ofproduct was recovered from RW-3 with a disposable bailee Passive skimmer in RW-4. RW-0 12.07 12.21 0.14 113.30 Active skimmer off in RW-3.Ending recovery tank volume approximately 6.5 gallons. RW-5 - 11.07 RW-6 12.15 12.25 0.10 4.17 ' RW-I RW-2 23.77 5/10/07 RW-} 34.65 Depth mproduct/groundwater not measured.Approximately 0.18 gallon ofproduct was RW4 - - - 117.30 recovered from RW-3 via disposable bailer.Active skimmer off in RW-3. RW-5 RW _ - - 4.17 RW-1-I 12.05 RW-2 12.89 2337 Initial product recovery conk volume approximately 6.4 gallons.No product recovered. 6/1/07 RW-3 12.79 13.21 0.42 34.85 Active skimmer,in RW-3 off upon arrival;tum on,set for 5 miw3x day.Ending recovery ' RW4 - 12.50 - 11330 tank volume approximately 6.4 gallons. RW-5 11.90 RW-6 12.55 4.17 RW-1 - 12.11 - RW-2 12.92 12.97 0.01 2337 Initial product recovery tank volume approximately 6.4 gallons.Approximately 0.8 gallon 6/8/07 RW-3 12.89 12.91 0.02 35.65 of product was recovered from RW-3 with the active skimmer.Skimmer set I miN7x day. RW-4 12.46 11330 Ending recovery tank volume approximately 7.2 gallons. RW-5 11.96 RW-6 12.60 4.17 ' RW I12.13 - RW-2 12.95 23.77 Initial product recovery tank volume approximately 7.2 gallons.Active skimmer in RW-3 GEIS/07 RW-3 12.98 12.99 0.01 35.65 on upon arrival.Approximately 0.I ter water in product drum:leak in active skimmer. RW-4 - 12.52 - 113.30 Active skimmer removed from RW-3 and taken to shop for repairs.Ending recovery tank LRW-5 - 12.00 - volume approximately 8.6 gallons. I' RW-6 1263 12.64 0.01 4.17 RW-1 12.18 RW-2 12.97 23.77 Initial product recovery rank volume approxunately 6.6 gallons.Approximately 7.0 RW-3 12.82 12.85 0.03 35.65 gallons of product and 1.6 gallons of water(front previous skimmer leak)estimated in 622107 RW4 - 12.50 - 113.30 drum.Active skimmer off in RW A.Ending recovery tank volume(product) I' RW-5 12.05 - approximately 7.0 gallons. RW-6 12.61 L>.63 0.02 4.17 1 ' X:\ProlecM000_p911838 PLOF Diesel Line\l838Meporls\IQl ATahle sxls Page 15 of 30