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<br /> Page 2 -Case Closure Summary Leaking Underground Fuel Storage Tank Program
<br /> Treatment and Disposal
<br /> Material Amount(Units) Action(Treatment or Disposal w/Destinatio3CA7122/IU
<br /> Date
<br /> Tanks 3 EA Disposal: H & H Shipyard, S. San Franci (manifest not 06/15/88
<br /> available)
<br /> 2 EA Disposal and Destination not dted 04/26/00
<br /> Piping
<br /> Free Product
<br /> Soil 1,600 Disposal and Destination not dted 6/1988
<br /> 200 Cubic Yards Forward Landfill, 9999 S. Austin Reca, CA 04/27/00
<br /> 2,500 pounds Keller Canyon Landfill, 901 Bailey Rburg, CA 8/9/10
<br /> 12,000 pounds Ecology Control Industries, 255 Parr Bhmond, CA 4/26/00
<br /> Groundwater 50 gallons Crosby&Overton, Inc.,1630 W. 16 SBeach, CA 7122/10625 allons Alviso Oil, 5002 Archive Street. A95002 4/25/00
<br /> Barrels
<br /> Maximum Documented Contaminant Concentrations--Before and After Cleanup
<br /> Contaminant Soil (ppm) Water (ppm) Contaminant Soil (ppm) Water (ppm)
<br /> Before After Before After Before After Before After
<br /> TPH(Gas) 66,000 16,000 13 <0.050 Xylenes 6,200 250 0.19 <0.001
<br /> TPH(Diesel) NA NA 13 NA Ethylbenzene 1,200 170 0.021 <0.005
<br /> TPHmo NA NA NA NA Lead Pb 15 NA NA NA
<br /> <0.0005 MTBE NA <0.005 NA 0.00061
<br /> Benzene 770 23 1'9 <0.0005
<br /> Toluene 5,200 470 0.075
<br /> 1-2 DCA NA <0.005 NA NA
<br /> E12
<br /> : SOIL BEFORE: TPHg, benzene, toluene, ethylbenzene, xylenes taken from VW-5 @ 30 feet on 12/3/93.
<br /> DCA, TPHmo, 1,2 DCA, and MTBE not analyzed. SOIL AFTER: TPHg, benzene, toluene, ethylbenzene,1,2 DCA
<br /> taken from CB-1 @ 40 feet on 6/22/10. Xylenes taken from CB-1 @ 45 feet on 6/22110. Lead taken from
<br /> n 8/2/94. TPHd, TPHmo were not analyzed. NA= Not Analyzed.WATER BEFORE: TPHg and xylenes taken
<br /> -MW7 on 3/9/92. Benzene, toluene and ethylbenzene taken from W 51-MW2 on 2/22190. TPHTBEtake 1,2
<br /> &MTBE not analyzed. WATER AFTER: TPHg, benzene, toluene, xylenes, ethylbenzene and MTBE taken from
<br /> 5/31/12. TPHd, TPHmo, 1,2 DCA and lead not analyzed. NA= Not Analyzed.
<br /> IV. Closure
<br /> FDoes
<br /> s completed corrective action protect existing beneficial uses per the Regional Board Basin Plan?YES
<br /> s completed corrective action protect potential beneficial uses per the Regional Board Basin Plan? YES
<br /> corrective action protect public health for current land use? YES
<br /> management requirements: NONE
<br /> Should corrective action be reviewed if land-use changes?YES
<br /> Monitoring or wells decommissioned: YES Number Decommissioned: 4 Number retained: 32
<br /> List enforcement actions taken: Notice of Responsibility 5/12/88, 1/19/90, 1/14/91, 9/8/92, 1/7/93, 1/13/99, 8/10/00
<br /> List enforcement actions rescinded: NONE
<br /> tSignature;- ""
<br /> ocaenc Representative Data
<br /> IENNE ELLSAESSER, RENS Title: PROGRAM COORDINATOR
<br /> �i�_-._ Date: /� �3
<br />
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