ARCHIVED REPORTS FIRST QUARTER GROUNDWATER MONITORING REPORT FEBRUARY 2014

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1 ' Table B -Historic Diesel Thickness Measurements and Product Recovery Data(06/18/99 through 3/31/14) Depth to Cumulative Date Recovery Floating Depth to Diesel Diesel Operations and Maintenance Notes Well Diesel Groundwater Thickness Removed ' (gallons) RW-1 13.41 13.43 0.02 RW-2 14.02 14.78 0.76 20.20 Skimmer pump fumed off;left m place on RW-4.Groundwater levels were sufficient m support bailing office product from the recovery wells. Approx 3 gallons product were RW-3 14.02 14.44 0.42 5.30 ' 12/8/07 removed from recovery wells removed from recovery very and RW-6. This is the firs[occasion RW-4 17.31 15.52 2.01 85.70 that free product has been removed Rate recovery well RW-6.Product recovery barrel RW-5 13.46 measurement indicated approximately 7 gallons o£product. RW-6 13.71 14.66 0.95 0.50 RW-1 - 8.78 - ' RW-213.10 13.20 0.10 20.20 Skimmer pump in RW-4 set on(1)3-minute cycle/day;negligible product recovered. 1 7/04 RW-3 12.67 12.69 0.02 5.30 Absorbent socks in RW-2 and RW-3.Skimmer pump deactivated and left in place in RW- RW4 12.64 13.98 1.34 85.70 4.Groundwater level in wells retrains insuflic ient to support skimming operations. RW-5 - 11.97 - Approximately 5 gallons in product recovery barrel. RW-6 1 12.78 1 13.20 1 0.42 1 0.50 t Skimmer pump in RW-4 set on(I)3-minute cycle/day.Pump cycle controller appeared to be functioning properly despite timer malfunction.Product volume 1115/04 confirmation in recovery tank was conducted using a coliwasa.Discrepancies in product tank volume measurements were determined to be due to tank imbalance;the tank platform was consequently leveled.Revised product recovery tank volume was noted at approximately 6.5 gallons. RW-1 - 12.31 - Initial product recovery barrel volume at approximately 8 gallons.Skimmer pump inRW- RW-212.88 17.25 0.37 20.20 4set on(1)3-minute cycle/day,changed to(3)3-minute cycle/day.Skimmer pump timer ' 11904 RW-3 12.55 15.12 2.57 8.30 repaired.Approximately one gallon of product skimmed from RW-4 during on-site event. RW-4 12.36 13.22 0.86 88.00 Absorbent socks in RW-2 and RW-3 strained and replaced:negligible product recovered. RW-5 - 12.48 - Approximately 3 gallons ofproduct bailed from RW-3. Approximately 11.8 gallons in RW-6 12.61 13.03 0.42 0.50 product recovery barrel. ' RW-1 - 12.23 - . RW-2 12.77 13.12 0.35 2020 Skimmer pump moved to RW-3 due to insufficient product layer in RW4 and set on(3)3 2404 RW-3 12.48 14.86 2.38 8.30 minute cycle/day.Two absorbent socks placed in RW-4.With the exception of RW-3, RW-4 12.39 12.60 0.21 90.70 insufficient product lay"in recovery wells to support removal methods,Approximately RW-5 12.04 12.05 0.01 14.5 gallons in product recovery barrel. ' RW-6 12.52 12.91 0.39 0.50 RW-1 12.13 RW-2 12.71 13.03 0.32 20.20 19,04 RW-3 - 12.26 - 9.80 Skimmer pump in RW-3 set on(3)3-minute cycle/day,changed to(3)1-minute ' RW-412.25 12.27 0.02 90.70 cycle/day. Approximately 16 gallons in product recovery barrel. RW-5 12.33 12.33 sheen RW-6 12.45 12.81 0.36 0.50 RW-1 sheen 11.44 sheen RW-2 11.88 12.21 0.33 20.20 ' 3 1,0, RW-3 12.09 12.17 0.08 13.80 Skimmer pump in R W-3 set on(3)1-minute cycles/day,changed to(1)3-minute RW-4 11.69 90.70 cycle/day. Approximately 20 gallons in product recovery barrel. RW-5 - I1.69 RW-6 1 11.71 11.97 0.26 1 0.50 ' RW-1 - 12.13 - RW-2 12.80 13.26 0.46 2020 Skimmer pump in RW-3 set an(1)3-minute cycles/day changed to(3)3-minute RW-3 12.81 13.11 0.30 14.80 5/17/04 cycle/day. Approximately 21 gallons in product recovery barrel.Skimmer batteryRW-4 12.31 12.41 0.10 90.70 changed.Nitrogen tank replaced. RW-5 Sheen 13.10 Sheen ' RW-6 1250 13.16 0.66 0.50 MI 1226 RW-2 12.93 13.40 0.47 20.30 Skimmer pump in RW-3 set on(3)3-minute cycles/day. Approximately 21.20 gallons in RW-3 12.98 13.10 0.12 14.90 5/20/04 RW4 12.44 12.58 0.14 90.70 product recovery barrel.Pump ten timer was not working. The timer was fixed and is ' RW-5 - 12.17 - functioning properly. RW-6 12.92 13.30 0.38 0.50 RW-1 - 12.57 - RW-2 - 13.28 - 20.30 ' 6/3/04 RW-3 1342 13.55 0.13 14.95 Skimmer pump in RW-3 set on(3)3-minute cycles/day. Approximately 21.25 gallons in RW-4 12.72 90.70 product recovery barrel.Battery voltage good at 12.49 volts. RW-5 12.40 RW-6 12.92 17.64 0.72 0.50 ' RW-1 13.00 13.01 0.01 RW-2 13.67 14.11 0.44 20.30 Skimmer pump in RW-3 set on(3)3-minute cycles/day.Skimmer pump moved to RW-6 RW-3 13.75 13.95 0.20 14.95 6/25/04 RW-4 13.07 13.95 0.88 90.70 and set to(3)7-minute cycle/day. Approximately 21.25 gallons N product recovery barrel. RW-5 - 12.78 - ' RW-6 13.32 14.11 0.79 1 0.50 1 ' X:1Projecf1000yrj\1838 PLOF Diesel Line\1838RReports\1014\Table B.xls Page 6 of 30