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Material Amount(Units) Action(Treatment or Disposal wlDestv,61onJ Date <br /> Tanks 39-1163-01- 250 gal Cal Coast Tank or the Learner Co, 424 S Tegner Rd., Turlock, 12/3/1992 <br /> 39-1163-02 -1.000gal CA 95381 <br /> 39-1163-08 - 1,000gal <br /> 39-0515721- 900gal Schnitzer Steel Products, Rancho Cordova, CA 4/5/2004 <br /> Piping <br /> Free Product 50 gallons Oily Water Riverbank Oil Transfer, 5300 Claus Rd., Riverbank, CA 95367 4/2/2004 <br /> (manifest not signed) <br /> Soil 1) 304 tons Chemical Waste Management 4/28/2004 <br /> 35251 Old Skyline Rd., Kettleman, CA <br /> 2) 3,784cubic Altamont Landfill & RRF 4/16/2004— <br /> yards soil 10840 Altamont Pass Rd. 4/2812004 <br /> Livermore, CA 94550 <br /> Groundwater <br /> Non RCRA 1,000 gal Gibson Environmental Commercial Drive 11/10/1992 <br /> Hazardous Bakersfield, CA 93301 <br /> Waste <br /> Case Closure Summary <br /> Leaking Underground Fuel Storage Tank Program <br /> Ill. 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 /> TPH(Gas) 28,200 3,800 320 2.7 Xylenes 870 27 31.0 0.0044 <br /> TPH(Diesel) 5,100 6,300 1,300 19.0 Ethylbenzene 200 34.0 5.7 0.068 <br /> TPH(Motor Oil) NA 660 NA 2.6 Lead 130 40 NA NA <br /> Benzene 183 <0.5 28 0.14 MTBE NA <2.5 <0.2 <0.005 <br /> Toluene 440 X0.5 61 0.0011 <br /> 1,2 DCA NA <2.5 <0.07 NA <br /> Comments: Soil Data Before: TPHg, Benzene, taken from tank removal near Van Buren St on 5114186. TPHd and taken <br /> from Ai-TPS-Tank#3 @ 12 feet bgs on 1117192. Lead taken from TPE SP-A-D eastern tank pit on 1117192. MTBE, <br /> TPHmo and 1,2 DCA not analyzed. Soil After: TPHg, 1,2 DCA& MTBE taken from 1586 NSW @ 15 feet bgs on 4112104. <br /> TPHd taken from 15B6 NSW @ 3 feet bgs on 3123104. TPHmo taken from 15B 6-SSW7 @ on 4116104. Benzene taken from <br /> 15B6 NSW @ 15 feet bgs on 4112104. Toluene taken from 1566 BOT @ 17 feet bgs on 416104. Ethylbenzene &Xylenes <br /> taken from 15B6 CHECK @ 8 feet bgs on 419104. Lead taken from 15B6-ESWS @ 3 feet bgs on 418104. Groundwater <br /> Before: TPHg & BTEX taken from SB-3@26'bgs on 5131194. TPHd, 1,2 DCA and MTBE taken from GP35 @ 20 feet bgs on <br /> 1214197. TPHmo & Lead not analyzed. Groundwater After: TPHg, TPHd,TPHmo, BTEX& MTBE taken from MW21A on <br /> 2120104. Lead & 1,2 DCA 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/Remediation wells decommissioned: YES Number Decommissioned: 22 Number retained: 0 <br /> List enforcement actions taken: Notice of Responsibility: 8115189, 9127189, 2121191,3127192, 419192, 1214101, 8/11108, <br /> 1131112 <br /> List enforcement actions rescinded: NONE <br />