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) Cumulative 'Recover ecovery Depth to Depth to Diesel Diesel Date Floating Operations and Maintenance NottsWellGroundwater Thickness Removed Diesel (gallons) RW.I - 12.01 - RW-2 - 12.93 - 23.30 Initial product recovery tank volume approximately 3.8 gallons.Active skimmer off in 8:I'OG RW-3 12'82 13.20 0.38 32.42 RW-3.Trace amounts of product in RW-3,RW-4,and RW-6.Did not bail. RW-4 12.19 12.27 0.04 113.14 Approximately 0.03 gallon recovered from passive skimmer in RW-2 and added to RW-5 11.97 product dmon.Ending recovery tank volume approximately 3.8 gallons. RW-6 12.54 12.66 0.12 4.17 RW-I - 12.20 - ' RW-2 13.06 13.07 0.01 23.31 Initial product recovery tank volume approximately 3.8 gallons.Active skimmer off in 8/14106 RW-3 12.95 13.56 0.61 32.42 RW-3.Trace amounts of product in RW-2,RW-3,RW-4,and RW-6.Did not bail. RW-4 12.33 12.39 0.06 113.14 Approximately 0.007 gallon recovered from passive skimmer in RW-2 and added to RW-5 - 12.10 - product down.Ending recovery tank volume approximately 3.8 gallons. RW-6 12.63 12.77 0.10 4.17 ' RW-I - 12.34 - RW-2 1229 12.37 0.08 23.36 initial product recovery tank volume approximately 3.8 gallons.Active skimmer off in 9/1/06 RW-3 13.08 14.09 1.01 32.57 RW-3 upon arrival;restarted m 3 minutes 3 times a day.Unsuccessful at attempt to RW-0 12.46 12.54 0.08 113.14 recover product with bailer in RW-4 and RW-6.Removed approximately 0.2 gallonso RW-5 - 12.22 - product from RW-2 and RW-3. Ending recovery tank volume approximately 4.0 gallons. RW-6 1285 12.99 0.14 4.17 RW-I 12.48 RW-2 12.35 12.37 0.02 23.36 Initial product recovery tank volume approximately 4.6 gallons.Active skimmer in RW-3 9115/06 RW-3 13.41 13.44 0.03 33.17 removed approximately 0.6 gallon since last event.Unable to use bailer to recover ' RW4 12.62 12.71 0.09 113.14 product(trace amounts)in RW-2,RW-3,RW-4,and RW-6.Reset pump cycle to 1 RW-5 12.35 minute/1 time per day.Ending recovery tank volume approximately 4.6 gallons. RW-6 12.96 13.01 0.05 4.17 RW-I 12.55 12.56 0.01 RW-2 13.42 13.44 0.02 23.36 Initial product recovery tank volume approximately 4.6 gallons.Removed nitrogen(low) ' 9/22/06 RW-3 1338 13.48 0.10 3377 bottle from system and replaced with new nitrogen tank.New tank pressure=1900 psi. RW-4 12.66 12.78 0.12 113.14 No product recovered on site. Ending recovery tank volume approximately 4.6 gallons. RW-5 12.35 RW-6 12.99 13.15 0016 4.17 ' RW-1 12.60 12.61 0.01 RW-2 13.51 23'37 Initial product recovery tank volume approximately 4.6 gallons.Passive skimmer 9/27/06 RW-3 13.41 13.51 0.10 33.17 recovered approximately 0.01 gallon in RW-2.Turned off active skimmer in RW-3.No RW41 12.69 12.84 0.15 113.14 product recovered by bailing.Ending recovery tank volume approximately 4.61 gallons. RW-5 - 12.35 - ' RW-6 1305 1 13.20 0.15 1 4.17 RW-I 11.84 11.85 0.01 RW-2 13455 23.37 Initial product recovery unit volume approximately 4.61 gallons.Active skimmer off in l0/6/Ob RW-3 13'46 13.66 0.20 33.17 RW-3.No product recovered from passive skimmer in RW-2.No product recovered with RW4 12.74 12.90 0.16 113.14 disposal bailers in RW-I,RW-3,RW-4,or RW-6.Relocated passive skimmer to RW-4. RW-5 - 12.20 - Ending recovery book volume approximately 4.61 gallons. RW-6 13.10 13.26 0.16 4.17 RW-I 11.67 11.65 0.02 RW-2 1341 2337 Initial product recovery tank volume approximately 4.61 gallons.Emptied product 1113/06 RW-3 13.41 14.07 0.66 33,32 (approx.0.02 gal)feat passive skimmer in RW-4 into on-site recovery drum.Active RW-4 12'89 13'10 0'21 113'18 skimmer off in RW-3.Ending recovery unk volume approximately 4.80 gallons. RW-5 12.38 RW-6 13.05 13.23 0.18 4.17 RW-1 12.51 12.54 0.03 ' RW-2 - 13'25 2337 Initial product recovery tank volume approximately 4.8 gallons.Unsuccessful removing 11/10/06 RW-3 13.27 13.80 0.57 33.32 product fmm RW-I,RW-3,RW4,orRW-6 with disposablebailer.Ski-mmeroffinRW- RW-4 12.80 12.97 0.17 113.18 1.Passive skimmer in RW-4.Ending recovery tank volume approximately 4.80gallone RW-5 - 12.51 - ' RW-6 12.93 13.00 0.07 4.17 RW-1 RW-2 18 13' 2337 Initial product recovery tank volume approximately 4.8 gallons.No product recovered 11,13/06 RW-3 13.21 13.63 0.42 37.32 from RW-3,RW4,or RW-6.Skimmer off in RW-3.Passive skimmers in RW-4 and RW- RW-4 12.60 12.71 0.11 113.18 6.Ending recovery tank volume approximately 4.8 gallons. ' RW-5 - 9.12 - RW-6 12.84 41296 0.12 4.17 1 ' X:1Prolecfl000y0\1838 PLOF Diesel One\1838FFlRepaMl 1014\Table B.xls Page 14 of 30