Laserfiche WebLink
Case Closure Summary cont.*=d Page 2 <br /> Treatment and Disposal of Affected Material <br /> Material Amount(Units) Action(Treatment or Disposal w/Destination) Date <br /> Tanks 3 @ 10,000 Disposal: H & H Ship Service Company. 01/07/1992 <br /> 220 China Basin Street, S.F., CA 94107 <br /> 550 pounds Disposal: H & H Ship Service Company 5/6/1992 <br /> 220 China Basin Street, S.F., CA 94107 <br /> Piping 1,000 pounds Disposal: H & H Ship Service Company 5/6/1992 <br /> 220 China Basin Street, S.F., CA 94107 <br /> FF,eed 110 gallons Disposal: H & H Ship Service Company 2/6/1992 <br /> 220 China Basin Street, S.F., CA 94107 <br /> 150 CU YDS Laidlaw Environmental Services 6/2/1992 <br /> 225 CU YDS 2500 Lokern Road, Buttonwillow, CA 93206 <br /> III. Release and Site Characterization Information continued <br /> Maximum Documented Contaminant Concentrations-- Before and After Cleanup <br /> Contaminant Soil Before (ppm) Water (ppm) Contaminant Soil Before (ppm) Water (ppm) <br /> After Before After After Before After <br /> TPHg 19,000 16,000 51 110 Xylenes 1,600 2,400 11 25 <br /> TPHd <100 4,300 5.5 15 Ethylbenzene 370 430 2.6 3.3 <br /> TPHmo 1400 NA NA NA Lead (Pb) 390 NA NA NA <br /> Benzene 140 27 9.7 1.2 MTBE 6.7 0.511 NA NA <br /> Toluene 900 1,200 3.9 0,78 <br /> 1,2 DCA NA NA NA <0.001 <br /> Comments: Soil Before Data:TPHg, benzene, toluene, ethylbenzene and xylenes taken from UL45 5 at 45.5 feet bsg on <br /> 7/6/94. TPHd and TPHmo taken from SLS stockpile on 2/25/92. MTBE taken from NP-1 @ 60 feet bsg on 11/17/98. Lead <br /> taken from UWS-2 stockpile on 5/6/92. 1,2 DCA not analyzed.Soil After Data: TPHg, TPHd, benzene, toluene, <br /> ethylbenzene and xylenes taken from DP-5 on 2/18/11. TPHmo, 1,2 DCA, lead not analyzed. Ground Water Before Data: <br /> TPHg and benzene taken from U-3 on 8/19/94. TPHd taken from U3 on 1117/08. Toluene, ethylbenzene and xylenes taken <br /> from U-3 on 5/9/95. MTBE taken from 1-65 on 5/30/01. TPHmo, 1,2 DCA, lead not analyzed. Groundwater After Data: <br /> TPHg, TPHd, benzene, ethylbenzene, toluene and xylenes taken from U-27AP on 11/8/12. 1,2 DCA taken from U-21 on <br /> 11/8/12. TPHmo, lead and MTBE not analyzed. NA= Not Analyzed <br /> IV. Closure <br /> Does completed corrective action protect existing beneficial uses per the Regional Board Basin Plan?YES <br /> Does completed corrective action protect potential beneficial uses per the Regional Board Basin Plan? YES <br /> Does corrective action protect public health for current land use? YES <br /> Site management requirements: NONE <br /> Should corrective action be reviewed if land use changes?YES <br /> Monitoring/Vapor wells decommissioned: YES Number Decommissioned: 1 Number retained: 37 <br /> List enforcement actions taken: Notice of Responsibility: 3/20/1992 <br /> List enforcement actions rescinded: NONE <br /> V. Local Agency Representative Data <br /> Name: ADRIENNE ELLSAESSER, REHS Title: PROGRAM COORDINATOR 71 <br /> Signature: � _ �/Gl/1�JB�— Date: <br /> VI. Central Valley Regional Water Quality Control Board RB Notification <br /> Date Submitted to RB: Response Date: <br /> RB Staff: JAMES L.L. BARTON, PG Response: <br /> Title: ENGINEERING GEOLOGIST <br /> VII. Additional Comments, Data, etc. <br /> 11 <br /> This document and the related CASE CLOSURE LETTER shall be retained by the lead agency as part of the official site file. <br />