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,��.._..,...__•- ------------- <br /> Treatment and Disposal of Affected Material <br /> Material Amount(Units) Action(Treatment or Disposal wlDestination) ;Datel <br /> Tank(s) 4 tanks (29,500 lbs) Erickson, Inc., 255 Parr Blvd., Richmond, CA 94841 <br /> 4 tanks(5000 lbs) Erickson, Inc., 255 Parr Blvd., Richmond, CA 94801 <br /> Manifests unsigned b facili o erator ortedl 6000 linear Erickson, Inc., 255 Parr Blvd., Richmond, CA 94801Piping Rep Y feetManifest unsi ned b receivin facili o eratorFree Product 350 gallons oil/water Demenno Kerdoon <br /> 2000 N. Alameda St., Compton, CA 90222 <br /> Manifest unsigned by receiving facility operator <br /> Soil 521.25 tons Forward Landfill $1311999 <br /> 9999 S. Austin Road, Manteca, CA 95336 <br /> Manifests unsigned by receiving facility operator <br /> Water/oil 2000 gallons Demenno Kerdoon 121??1199$ <br /> 2000 N. Alameda St.., Compton, CA 90222 (day not <br /> Manifest unsigned by receiving facility operator legible) <br /> Ill. Release and Site Characterization Information continued <br /> Maximum Documented Contaminant Concentrations (ppm)--Before and After Cleanup <br /> Contaminant Soil Soil After Water Water Contaminant Soil Before Soil After Water Water <br /> Before Before After Before After <br /> TPH(Gas) 3,800 NA 86 1.7 Xylenes 300 NA 25 0.250 <br /> TPH(Diesel) 4,100 NA 1,400 Z <br /> MTBE 4.5 NA 24 0.500 <br /> ( ) <br /> Benzene 24 NA 1.6 0.120 TBA 6.8 NA 1 0.140 <br /> Toluene 75 NA 6.9 0.013 Lead 13 NA 0.021 NA <br /> Ethylbenzene 75 NA 4.2 0.058 <br /> Comments: Soil Before—TPHg and benzene from PP-7-4' (4/25/2000), toluene, ethylbenzene and xylenes from PP-14-12' <br /> (412512000); MTBE and TBA from stockpile sample SP24A&B (112911999); TPHd from SP1-5A&B (112911999); lead from <br /> stockpile sample SP-2-1 (1212111998). Soil After data not collected, therefore Not Analyzed. <br /> Water Before--MTBE from TP-W1 (1211011998), TPHd, TPHg, benzene, toluene, ethylbenzene and xylenes from MW-7 <br /> (911112001); lead from MW-3 (511112000), TBA from MW-4 (1012812004). <br /> Water After—highest concentrations of each COC detected last monitoring event on 712712011: TPHg, TPHd, <br /> ethylbenzene, toluene, total xylenes from MW-7; TBA from MWFP-1; MTBE and benzene from MW-3. <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: No Number Decommissioned: 0 Number retained: 27 ; <br /> List enforcement actions taken: NOR issued 04112/1999 <br /> List enforcement actions rescinded: None <br /> Page 2 <br /> I <br />