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) r Depth n, Cumulative Date Recovery Floating Depth to Diesel Diesel Well Groundwater Thickness Removed Operations and Maintenance Nates Diesel ' (gallons) RW-2 13.01 13.02 0.01 19.55 Absorbent socks in RW-1 and RW-3 strained and replaced.Skimmer um in RW-4 still RW-3 12.72 13.26 0.54 0.20 not operating properly;pump left active. RW-4 12.37 14.33 1.96 17.00 ' RW-2 12.79 12.85 0.06 19.55 Product measurements taken with recovery socks in place in RW-I and RW-3.Absorbent socks in RW-1 and RW-3 strained.Replaced sock in RW-3 and moved other sock to RW- 2.Approximately.75 gallon of product was removed from RW-3 using a disposable two- 120/03 RW-3 12.52 13.54 1.01 0.95 inch bailer.Approximately 1.0 gallon of producvwas removed from RW4 wing disposable two-inch bailer.Skimmer pump in RW-4 was removed during measurement RW-4 12.02 14.12 2.10 18.00 and appears to be functional,but still not recovering product.31.75 gallons in product recovery barrel. RW-2 12.86 12.87 0.01 19.60 N2 took removed and exchanged.Absorbent socks in RW-2 and RW-3 stained and ' replaced.Approximately 0.05-gallon ofproduct was recovered from RW-2. 2/10/03& Approximately 0.75 gallon of product was recovered from RW-3 using a disposable two- 2/11/03 RW-3 12.67 13.52 0.85 1.70 inch bailer.Approximately 2.0 gallons ofproduct were recovered from RW4 using. disposable two-inch bailer.Skimmer pump left off in RW-4 because of non-recovery of ' product.Approximately 6.45 gallons of water were removed from the product recovery RW-4 11.91 14.79 2.88 20.00 barrel using a disposable coliwasa.28.1 gallons in product recovery barrel. RW-2 19.60 Skimmer pump in RW-4 repaired and turned back on.Approximately 1.0 gallon ofwater ' 2/12/03 RW-3 1.70 was purged from the product recovery barrel.An estimated value of0.40 gallon was RW-4 12.10 13.70 20.40- skimmed from RW4.26.5 gallons in product recovery barrel. RW-2 12.89 13.01 0.12 19.70 Skimmerpump installed in RW-4 active.Pump cycle set at(3)10-minute cycles/day. Absorbent socks in RW-2 and RW-3 summer!and replaced;approximately 0.20 gallons of 22103 RW-3 12.80 13.20 0.40 1.80 product added to the product recovery barrel.Product recovery barrel measurement ' indicated approximately 34.2 gallons ofproduct including a negligible amount of water RW-4 12.20 13.46 1.26 27.90 ( RW-2 12.88 12.95 0.07 19.70 Skimmer pump installed in RW-4 active.N2 rank removed and exchanged;pump cycle set at(1)5-minute cycle/day.Absorbent socks in RW-2 and RW-3 stained and replaced; ' 225/03 RW-3 12.80 13.21 0.41 1.80 a negligible amount of product recovered.Insufficient product in RW-2 and RW-3 for bailing to be effective.Product recovery barrel measurement indicated approximately 37.1 RW-4 12.55 12.56 0.01 30.80 gallons ofproduct(coliwasa confirmed all product). ' RW-2 12.92 12.95 0.03 19.70 Skimmer pump installed in RW-9 inspected and maintained.Pump cycle set at(3)7- 3 11 03 M3 12.80 13.40 0.60 1.90 minute cycles/day.Absorbent socks in RW-2 and RW-3 strained and replaced with new socks;a negligible amount of product recovered.Product recovery barrel measurement RW-4 12.49 13.22 0,73 3770 indicated approximately 44 gallons ofproduct boliwaea confirmed all product). ' RW-2 12.93 12.95 0.02 19,70 Product ecovery barrel measurement indicated approximately 46.25 gallons of product; system sensor stopped pumping due to rank full status.Full rank removed and replaced with an empty recovery barrel;skimmer pump set to continuous mode.Full product barrel ' set next to diesel AST basin.Absorbent socks in RW-2 and RW-3 strained;a negligible 3/17/03 RW-3 12.76 13.32 0.56 2.30 amount of productrecovered.Skimmer pump in RW-4 removed approximately 0.5 gallons of product.Skimmer pump removed from RW-4 and installed in RW-3.Cycle remained on continuous mode until no additional product was removed;cycle then set on ' (3)5-minute cycles/day.Absorbent socks placed in RW-2 and RW-4.Approximately 1.0 RW-4 12.62 12.63 0.01 40.45 Ballon of product was measured in the new recovery barrel.Half inch metal bars and orange safety tape was placed around the skimmer pump for added visibility. ' RW-2 12.93 12.98 0.05 19.70 Skimmer pump installed in RW-3 was inspected and the N2 tank exchanged.The system regulator was not functioning and required repair.Cycle set on(1)5-minute cycle/day. The recovery sack from RW-4 was stained and replaced,and free product from the well 4/2/03 RW-3 12.97 17.17 0.20 2.30 was boiled;approximately 2 gallons was added to the product recovery barrel.Insufficient ' product available in RW-2 for bailing to be effective.The recovery sock in RW-2 was strained and replaced;a negligible amount of product was recovered.Post bailing RW-4 11.91 15.24 3,33 42.45 measurement of the product recovery barrel indicated approximately 3 gallons ofproduct. ' X;\Project\l000yrj\1838 PLOF Diesel Llne\1838F\Repods\1014\Table B.xls Page 4 of 30