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CLOSURE REPORT FOR UNDERGROUND STORAGE TANK 836-D1U1 <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: N/A 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. TK01-01-836-D1U1-SP-SO Stockpile Soil N/A <br /> 2. TK02-01-836-D1U1-132-SO Tank Excavation Soil 132 <br /> 3. TK03-01-836-DlUl-48-SO Tank Excavation Soil 48 <br /> 4. TK01-879-D1U1-01-SP-00(concrete) Stockpile Com osite Bldgs 827,836,&879 <br /> 5. TK02-879-D1U1-01-SP-AS(asphalt) Stockpile Composite Bldgs 827,836,&879 <br /> 6. TK03-879-D1U1-01-SP-SO(soil) Stock ile Com osite Bldgs 827,836,&879 <br /> Matrix codes: W(water),S(soil)TC(tank contents) <br /> [X] Environmental Sample Collection Maps(Figures 1&2)are enclosed as Appendix D. <br /> SUMMARY OF LABORATORY ANALYTICAL RESULTS: <br /> Sample Identification Analyte EPA Method Sample Concentration <br /> (Matrix) Number <br /> 1. TK01-01-836-D1U1-SP-SO TPJ-l- TPH-D TPH-D <br /> Diesel Fuel 8015 1400 mg/kg <br /> HVAC HVOC HVOC <br /> Methylene Chloride 8010 0.012 mg/kg <br /> BTXE(AVOC) BTXE BTXE <br /> Toluene 8020 0.0062 mg/kg <br /> Ethylbenzene 8020 0.015 mg/kg <br /> Xylenes,total 8020 0.13 mg/kg <br /> STLC/TTLC STLC TTLC STLC TTLC <br /> Arsenic 6010/7000 6010/7000 0.075 mg/L 2.4 mg/L <br /> Barium 6010/7000 6010/7000 11 mg/L 230 mg/L <br /> Cadmium 6010/7000 6010/7000 ND 2.5 mg/L <br /> Chromium 6010/7000 6010/7000 ND 28 mg/L <br /> Cobalt 6010/7000 6010/7000 ND 8.5 mg/L <br /> Copper 6010/7000 6010/7000 ND 19 mg/L <br /> Nickel 6010/7000 6010/7000 ND 30 mg/L <br /> Selenium 6010/7000 6010/7000 ND 0.70 mg/L <br /> Vanadium 6010/7000 6010/7000 ND 45 mg/L <br /> Zinc 6010/7000 6010/7000 2.1 mg/L 44 mg/L <br /> CRI CRI CRI <br /> pH 9040 8.5 <br /> Cyanide/Sulfide 9010/9030 ND/ND <br /> Flashpoint 1010 >140 degrees F <br /> 2. TK02-01-836-DlU1-132-SO TPH-D TPH-D TPH-D <br /> Diesel Fuel 8015 69 mg/kg <br /> BTXE BTXE BTXE <br /> AVOC 8020 ND <br /> 3. TK03-01-836-D1U1-48-SO TPH-D TPH-D TPH-D <br /> Diesel Fuel 8015 1.0 mg/kg <br /> BTXE BTXE BTXE <br /> AVOC 8020 ND <br /> 4. TK01-879-D1U1-01-SP-00 Gross Alpha/Beta {Radiological Analytical ND/ND <br /> Tritium Method Numbers ND <br /> Gamma SnectroscWy Not Specified} Gamma Soectrosconv <br /> Potassium-40 7.0E-06±0.71E-06µCi/mLgm <br /> Ra-226 3.2E-07±0.47E-07gCi/mLgm <br /> Ra-228 3.6E-07±0.84E-07µCi/mLgm <br /> Th-228 3.2E-07±0.40E-07gCi/mLgm <br /> 4 <br />