ARCHIVED REPORTS FIRST QUARTER GROUNDWATER MONITORING REPORT FEBRUARY 2014

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1 ' Table 8 -Historic Diesel Thickness Measurements and Product Recovery Data(06/18/99 through 3/31/14) Depth to Cumulative Date I Recovery Depthng Depth to Diesel Diesel Operations and Maintenance Nates Well RantiGroundwater Thickness Removed Diesel (gallons) ' RW-1 - RW-2 - 12.78 23'37 Initial product recovery tank volume approximately 9.0 gallons.Approximately 0.84 [/2508 RW-3 12'21 1733 1.12 37.26 gallon of product was recovered from RW-3 with a disposable bailer;active skimmer was ' RW-4 12.00 12.06 0.06 11334 not hooked up.Ending recovery tank volume approximately 9.80 gallons. RW-5 9.15 RW-6 12.04 4.17 RW-1 - 11.22 - ' RW-2 12.02 - 23.37 Initial product recovery tank volume approximately 9.80 gallons.Approximately 0.88 325/08 RW-3 1107 12.09 1.06 38.14 gallon of product was recovered from RW-3 with the passive skimmer and disposable RW4 11.39 113.34 bailee Reinstalled passive skimmer in RW-3 and SoakEase sock in RW-4.Ending RW-5 - 11.11 - recovery tank volume was approximately 10.70 gallons. RW-6 11.64 4.17 ' RW 1 - 11.77 - RW2 12.11 12.15 0.04 23.37 Initial product recovery tank volume was approximately 10.70 gallons.Approximately 0.5 4/4,08 RW-3 11.86 12.59 0.77 38.64 gallon of product was recovered from RW-3withthe passive skimmer and disposable RW-4 - 11.45 - 113.34 bailer.Reinstalled passive skimmer in RW-3 and SoakEase sock in RW-4.Ending RW-5 - 11.19 - recovery tank volume was approximately 11.20 gallons. 1 RW-6 - 11.71 4.17 RW-1 1125 RW-2 12.17 12.25 0.08 23.37 Initial product recovery tank volume approximately 11.20 gallons.Approximately 0.12 4/23/08 RW-3 12.01 12.73 0.72 38.76 gallon ofproduct was recovered from RW-3 with the passive skimmer and disposable ' RW-4 - 1149 - 113.34 bailer.Set up active skimmer in RW-3 and moved passive skimmer from RW-3 to RW-2. RW.5 11.21 Ending recovery tank volume was approximately 11.32 gallons. RW-6 11.71 4.17 IL26 - RW-2 12.38 12.41 0.03 23.37 Initial product recovery tank volume approximately 11.32 gallons;No product recovered. ' 5/2/08 RW-3 1221 12.67 0.46 38.76 Skimmer battery appeared to he inoperable and active skimmer was off.Placed SoakEase RW-4 11.52 113.34 socks in RW-1 and RW-4 and set up passive skimmers in RW-2 and RW-3.Ending RW-5 - 11.24 recovery tank volume was approximately 11.32 gallons. RW-6 11.81 4.17 t RW-I - 11'45 Depth-to-product and depth-to-water measurements collected.Initial product recovery RW-2 1247 12.49 0.02 23.37 tank volume approximately 11.32 gallons.Approximately 0.03 gallon of product was 5/7;08 RW-3 12'22 12.58 0.36 38.79 recovered from RW-3 with the passive skimmer and disposable bailer.Replaced RW-4 - 11'73 - 113'34 SoakEase socks in RW-I and RW-4.Ending recovery tank volume was approximately RW-5 - 11.28 - 11.35 gallons. ' RW- - 11.85 - 4.17 RW-1 1 11.49 RW-2 1237 27.37 Initial product recovery tank volume approximately 11.35 gallons.Approximately 0.03 5/16/08 RW-3 1224 12.65 0.41 38.82 gallon ofproduct was recovered from RW-3 with the passive skimmer and disposable ' RW-4 - 11.79 - 113.34 bailer.Replaced SoakEase socks in RW-1 and RW-4.Ending recovery tank volume was RW-5 11.31 approximately 11.40 gallons. RW-6 11.87 4.17 RW-1 - 11.51 - RW-2 12'21 2337 Drum volume calculations changed for better accuracy.Initial drum volume was ' 522/08 RW-3 A 12,14 12.57 0.39 33.3 appmximately7.4 gallons ofproduct.Passive skimmer was found broken.Endingdmm RW-4 11'72 113'74 volume was approximately 7.4 gallons. RW-5 11.31 RW-6 11.85 4.17 ' RW-1 - 11.51 - RW-2 12.77 12.38 0.01 27.37 6�6i08 RW-3 12,28 12.71 0.47 38.94 Initial drum volume approximately 7.4 gallons ofproduct.Active skimmeroRin RW-J. RW4 - 11.82 - 113.34 Ending dram volume was approximately 7.6 gallons of product. RW-5 - 11.41 - RW-6 _ 12. 2 - 4.17 RW-1 11.662 RW-2 12.40 12.42 0.02 2337 Initial drum volume was approximately 7.6 gallons.Passive skirmner stuck in RW-2. 6:13/08 RW-3 11 38 1274 0.36 39.13 Active skimmer off in RW-3.Ending drum volume was approximately 7.8 gallons of ' RW-4 - 11.79 - 113.34 product. RW-5 1.45 RW-6 1209 4.17 1 ' X;\Project\1000yrj\1838 PLOF Diesel L1ne\1838F\Reports\1Q14\Table 8.x1s Page 17 of 30