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CLOSURE REPORT FOR UNDERGROUND STORAGE TANK 827-D2U1 <br /> ENVIRONMENTAL SAMPLE INFORMATION: <br /> IL <br /> Soil sample collection and handling procedures were in accordance with LLNL Tank <br /> Assessments and Guidance Group Procedure 203,Soil Sampling. <br /> Soil samples were collected by: Marion Heaton and Dave Castro LLNL Date: 6/22 94 <br /> Sample analyses requested: <br /> At the 10-foot depth excavation bottom (TPH Diesel and BTXE)• and from the excavated <br /> soil fill and asphalt (one sample analyzed for TPH Diesel and 8010/8020• one sample <br /> analyzed for Metals by STLC and TTLC• one sample analyzed for gross alpha & beta <br /> tritium: and one sample analyzed for Corrosivity, Reactivity, and Ignitability (CRI)). <br /> Samples collected for disposal options included 1 discrete sample collected for each 25 <br /> yards. <br /> TPH-D•Total Petroleum Hydrocarbons as Diesel; BTXE• Benzene Toluene Xylenes and Ethyl Benzene; <br /> HVOC` EPA Method 8010 for Haloonated Volatile Organic Carbons; AVOC: EPA Method 8020 for Arorntic Volatile Organic <br /> Carbons, STLCSoluble Threshold i 't Concentration; •Total Threshold Limit Concentration. <br /> Name and address of analytical laboratory: California Laboratory Services, 3249 Fitzgerald <br /> Road, Rancho Cordova, CA 95742. Radiological analyses were performed by LLNL <br /> Environmental-Analytical Sciences Lab. <br /> Describe how the tank excavation was secured after soil sample collection: The excavation was <br /> secured by means of barricades and yellow caution construction tape The excavation was <br /> then filled with imported clean fill. <br /> WATER <br /> [X ] Not applicable. (No water in the tank excavation or piping trench) <br /> Static water level below grade: N/A feet <br /> Describe any sheen,free product or odor present in the water: None present. <br /> Water pumped out of the excavation: [ ] Yes [ X ]No <br /> Volume of water removed from the tank excavation: N/A gallons <br /> Water sampled: [ ]Yes [ X ]No <br /> Water sample was collected by: N/A. _ Date:N/A <br /> Sample analyses requested: N/A. <br /> Name and address of analytical laboratory: N/A. <br /> Describe how the water was sampled: N/A. <br /> Identify the source of the water(if known): NIA. <br /> Describe where and how the removed water was stored on site,and type of containment used: <br /> N/A. <br /> Water Disposal Information: <br /> [X] Not Applicable. (Water not encountered,or not disposed of as hazardous waste) <br /> The water was transported by: N/A. <br /> The water was disposed of as: NZA. Date: N/A <br /> Name and address of disposal facility: N/A. <br /> [N/A] LLNL Hazardous Waste Requisition and Uniform Hazardous Waste Manifest "TSD <br /> Facility to Generator"copy for the water enclosed. <br /> SUMMARY OF ENVIRONMENTAL SAMPLES COLLECTED: <br /> Sample Identification Matrix Depth below Grade <br /> (Inches) <br /> 1. T,01-827-01-D2Ul-SO-SP Stockpile Soil N/A <br /> 2. TK02-827-01-D2U1-SO-10.0 Tank Excavation 120 <br /> 3. TK0l-827-02-D2U1-SO-SP Stockpile Soil N/A <br /> 4. TK01-827-03-D2Ul-SO-SP Stock Rile Soil N/A <br /> Matrix codes: W(water),S(soil)TC(tank contents) <br /> [ X ] Environmental Sample Collection Map(Figure 1)is enclosed as Appendix D. <br /> 3 <br />