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• <br />• LAWRENCE LIVERMORE NATIONAL <br />LABORATORY (LLNQ SITE 300 <br />Inspection Report <br />2 February 1987 <br />The burn pit was observed to have three pits with two large metal cages placed in <br />two of the pits and are used to burn paper wastes. The ash is sampled, container- <br />ized, and sent to a hazardous waste management unit. The eastern most pit is <br />currently used to burn chunks of high explosive (HE) wastes and the middle pit had <br />been used in the past. HE sludge wastes are burned in an above -ground "iron - <br />horse". <br />INSPECTION SUMMARY <br />Of the twelve Waste Management Units, the concrete surge tank and the burn pit <br />were determined not to be regulated by the TPCA. However, the 806/807 lagoon and <br />the two Class II surface impoundments were determined to be subject to the TPCA. <br />However, the remaining lagoons will require sampling of the waste stream and <br />sludge for a final determination of the applicability of the TPCA. A sampling and <br />analysis plan will have to be developed and implemented to provide representative <br />samples and reproducible analysis. <br />CAMILLA WILLIAMS <br />Engineering Geologist <br />CW:car <br />