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) i Depth to Cumulative Date Recovery Floating Depth to Diesel Diesel Operations and Maintenance Notes Well Diesel Groundwater Thickness Removed ' (gallons) RW-I 14.59 RW-2 - 15.49 - 20.30 10/8/04 RW-3 DRY DRY DRY 14.95 0.125 gallons recovered from RW-6.Approximately 22.63 gallons in product recovery RW-4 14.86 15.61 0.75 91.20 barrel.The passive skimmer set in RW-3 was relocated to RW-6. RW-5 14.87 RW-6 15.26 15.91 0.65 1.38 RW-I DRY DRY DRY ' RW-2 SHEEN 15.49 SHEEN 20.30 Skimming system removed from RW-4.Small quantities of diesel were removed from die 10/18/04 RW-3 DRY DRY DRY 14.95 two modified passive skimmers set in RW-2 and RW-6(<0.01 gallons).Bailers were RW-4 14.92 15.62 0.70 92.12 used to remove 0.92 and 0.48 gallons from RW-4 and RW-6,respectively.Approximately RW-5 - 14.95 odor 24.04 gallons in product recovery barrel. RW-6 1 15.22 1 15.73 0.51 1 1.86 ' RW-1 14.31 14.32 0.01 p trace ofdiestl was removed from the bailer inspection sample from RW-I.The RW-2 15.08 15.49 0.41 20.55 modified passive skimmer set in RW-2 had insufficient Fluid column to operate.Bailers RW-3 14.95 15.12 0.17 14.95 11/24/04 RW-4 14.25 15.57 1,32 93.32 were used to remove 0.25.1.20,and 0.45 gallons from RW-2,RW-4 and RW-6, respectively.The passive skimmer set in RW-2 was relocated to RW-4.Approximately RW-5 - 14.17 - 25.94 gallons in product recovery barrel. RW-6 14.68 15.17 0.49 2.31 RW-1 14.31 14.32 0.01 Diesel was removed from the two modified passive skimmers set in RW-4 and RW-6. RW-2 Umddc to access well due to construction 2055. Both skimmers were full and contained approximately 0.15 gallons each.Bailers were RW-3 14.94 15.13 0.19 14.95 12'27/04 used to remove LIS and 0.03 gallons from RW-4 and RW-6,respectively.The Fluid RW-4 14.32 15.67 1.35 94.62 column in RW-3 was too short to bail diesel.Approximately 27.42 gallons in product RW-5 14.16 14,16 0.00 recovery barrel. RW-6 14.75 14.96 0.21 2.49 RW-' Unable 10 access.Car parked over well. ' RW-2 Unable to access.Trailer parked over well. 20.55 Unable to access RW-1 and RW-2 due to Site construction,RW-4 was submerged from 1/112005 RW-3 13.92 I 13.98 I 0.06 14,95 recenl min event.Modified passive ski nmers set in RW4 and RW-6.Approximately O.13 RW-4 Unable to access.Flooded from rain event 94.62 gallons of product recovered from passive skimmer in RW-6.Approximately 27.4 gallons RW-5 - 12.80 - in product recovery barrel RW-fi 17.89 13.90 0.01 2.62 RW-I - 12 - RW-2 Unable to access.Trailer parked over well. 20.55 Unable to access RW-2 due to Sitc construction. Modified passive skimmers in RW-4 2/7/2005 RW-3 13.12 14.75 1.63 16.46 and RW-6.Approximately 1.51 gallons recovered from RW-3(bailer)and approximately RW-4 12.71 15.56 2.85 96.27 1.65 gallons recovered from RW-4(bailer and skimmer combined).Passive skinnier in RW-5 - 11.98 - RW-6 was empty.Approximately 30.7 gallons in product recovery barrel. ' RW-6 13.29 13.30 0.01 2.62 RW-I RW-2 Unable to access.Trailer parked over well. 20.55 Onsite o manual active skimmer in *Diesel thickness estimated from bailer inspection sample.Unable to accesss RW-RW-2 due to Site construction.Passive skimmer in RW1 " " 0.35 16.58 >'1 12005 RW-6 was empty.Approximately 0.12 and 1.73 gallons ofproduct removed from RW-3 ' RW-4 W • •1 95 98.00 (bailer)and RW-4(skimmer and bailer combined),respectively.Approximately 32.5 RW-5 RW-b • • 262 gallons in product recovery barrel. RW-I Unable 10 access.Duct piled on top of well. *Thickness estimated with bailer inspection sample.Unable to access RW-1 due to Site RW-2 " * "120 17.64 0.02 20.55 RW-3 construction.N_line severed by Site construction and N,tank empty(RW-4).Removed ' ` " • 3/4/2005 RW4 98.00 approximately 1.06 gallons from RW-3(skimmerand bailer combined)and<0.01 gallons RW-5 • from RW-6(skimmer).Relocated passive skimmer from RW-6 to RW-2.Approximately RW-6 • "0.01 1 2.62 33.6 gallons ofproduct in recovery barrel. ' RW-1 - - - Repaired damage m lines and replaced spent N,tank and all hoses to active skimmer in 2 RW- 20.62 RW-4.Restarted active skimmer and allowed to pump continuously while checking 3/7/05 RW-31 7.77 RW-4 12.70 12.77 0.47 988.65.65 passive skimmers in RW-2 and RW-3.Removed approximately 0.07 gallons from RW-2 RW-5 - _ _ (skimmer)and approximately 0.13 gallows from RW-3(skimmer).Approximately 74.4 RW-6 - - 262 gallons of product in recovery barrel. RW-I 12.16 RW-2 12.93 13.06 0.13 2063. A trace of diesel was removed from the bailer inspection sample from RW.1,Removed RW-3 12.77 13.67 0.90 17.90 active skimmer controller for repairs.Pump run continuously for 65 minutes.Replaced 3/17105 RW 4 96 85 passive skimmers in RW-2 and RW-3.Removed 0.0 1,0.13,and 0.20 gallons from RW-2, - 17 _ RW-3,and RW-4,respectively.Measured product recovery lank volume:approximately RW-5 12 RW-6 12.58 261 34.8 gallons. t %SProjecA1000_mM838 PLOF Diesel UmA1838RReponst1014\Table B.xls Page 8 Of 30