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i I` <br /> f <br /> Material Amount(Units) Action(Treatment or Disposal wlDestination) 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 />..„.�.Y+„� a-*-Y•._¢�+`l-::--: ';y�,r-�."�y�.++t-��..-.,�� a_. "" �.� .. .. , .- c„v _ -.. - '"r""'" Y �,,.".�". a--,�' <br /> . Non RCRA 1,000 gal. Gibson Environmental-Commercial Drive 1111011992 <br /> Hazardous Bakersfield, CA 93301 <br /> Waste <br /> Case Closure Summary <br /> Leaking Underground Fuel Storage Tank Program <br /> III. Release and Site Characterization Information continued <br /> Maximum Documented Contaminant Concentrations--Before and After Cleanup <br /> Contaminant Soil Before (ppm) Water (ppm) ContaminantSoil 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 <4•2 <0.005 <br /> Toluene 440 X0.5 61' U011 <br /> 1,2 DCA NA <2.5 X0.07° NA <br /> Comments: Soil Data Before: TPHg, Benzene, taken from tank removal near Van.Buren St on 5114186. TPHd and taken �I <br /> from AI-TPS -Tank#3 @ 12 feet bgs on 1117/92. Lead taken from TPE SP-A-D eastern tank piton 1117192. MTBE, 9� <br /> TPHmo and 1,2 DCA not analyzed.: Soil After: TPHg, 1,2 DCA&'MTBE taken from 15136 NSW @ 15 feet bgs on 4112104. <br /> TPHd taken from 15136 NSW @ 3 feet bgs on 3123104. TPHmo taken from 15B 6-SSW7 @ on 4116104. Benzene taken from <br /> 1566 NSW @ 15 feet bgs on 4112104. Toluene taken from 15136 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 t <br /> Betore_TPHg &BT€X 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: GroundwaterAfter: TPHg,TPHd,TPHmo, BTEX& MTBE taken from MW21A-on --p <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 Pian? YES <br /> is <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; 2121791,3127192, 419192, 1214101, 8111108, <br /> 1131112 <br /> List enforcement actions rescinded: NONE <br /> �I <br />