Laserfiche WebLink
Case Closure Summary Page 2 <br /> Leaking Underground Fuel Storage Tank Program <br /> III. Release and Site Characterization Information (continued) <br /> Maximum Documented Contaminant Concentrations--Before and After Cleanup Water (ppm) <br /> Contaminant Soil (ppm) Water (ppm) Contaminant Soil (ppm) <br /> Before After Before After Before After Before After <br /> 760 760 4.3 .0024 <br /> TPH (Gas) 3900 3900 34.0 .520 Xylene 130 .84 .0014 <br /> TPH (Diesel) 260 260 0.3 <0.3 Ethylbenzene I30 20 2.0 2.0 <br /> Benzene 7.4 7.4 3.2 <.0005 Oil & Grease 212 12 _ _ <br /> Toluene 120 120 1.6 <.0005 Lead - - .051 .045 <br /> MTBE <br /> Other <br /> Comments (Depth of Remediation, etc.),: <br /> SOIL OVEREXCAVATION WAS TO GROUNDWATER. SOME RESIDUAL SOIL HYDROCARBON REMAINS ON <br /> EASTERN PORTION OF SITE UNDER SIDEWALK. MTBE HAS MIGRATED DOWI3GRADIENT OFF SITE. <br /> IV. closure _ <br /> existing beneficial uses per the Regional Board <br /> Does completed corrective action protect <br /> Basin Pia (Yes)Yes) No <br /> F <br /> Does completed corrective action protect .potential beneficial uses per the Regional Board <br /> Basin Plan? (Yes) No <br /> Does corrective action protect public health for current land use? (Yes) No <br /> 11 <br /> Site management requirements: OFF SITE CONTAMINATION EXISTS ON EAST SIDE OF FACILITY UNDER <br /> CITY OF TRACY SIDEWALK. <br /> `3 <br /> Should corrective action be reviewed if land use changes? (Yes) No <br /> Monitoring wells Decommisioned: {Yes} No Number Decommisianed: 5 �r _Rined: 0 <br /> List enforcement actions taken: <br /> SENT NOTICE OF REIMBURSEMENT TO RESPONSIBLE PARTY; FIRST LEVEL OF ENFORCEMENT. <br /> List enforcement actions rescinded: <br /> V. Local Agency Representative Data <br /> Name: DONN HERRN Title:DIRECTOR OF ENVIRONMENTAL HEALTH DIVISION <br /> Signature: Date: <br /> VI. RWQCB Notification <br /> Date Submitted to RB: �� RB Response: Ccs r>ca, re_,'LC <br /> RWQCB Staff Name: , 7- <br /> VII. Additional Comments, Data, etc. <br /> e: <br /> t <br /> i <br /> This document and the related CASE CLOSURE LETTER, Shall be retained by the lead agency <br /> as part of the official site file. - . (08/24/93) <br /> Exhibit N Page 2 of 2 <br />