Abstract
The Defense Waste Processing Facility (DWPF) began processing Sludge Batch 2 (SB2) (Macrobatch 3) in December 2001 as part of Sludge Receipt and Adjustment Tank (SRAT) Batch 208. Macrobatch 3 consists of the contents of Tank 40 and Tank 8 in approximately equal proportions. A glass sample was obtained while pouring Canister S01913 and was sent to the Savannah River National Laboratory (SRNL) Shielded Cells for characterization. This report contains observations of the glass sample, results for the density, the chemical composition, the Product Consistency Test (PCT) and the radionuclide results needed for the Production Record for Canister S01913. The as-received glass appeared homogeneous over the entire surface with a dark and reflective luster. The glass sample weighed 33.04 grams. The results of the composition for glass sample S01913 are in good agreement with the DWPF Slurry Mix Evaporator (SME) results for Batch Number 254, the SME Batch that was being fed to the melter when the sample was collected. The PCT results for the glass indicate that it is significantly more durable than the Environmental Assessment (EA) glass with a normalized boron release of 1.18 g/L for the glass and 10.5 g/L measured for the EA glass. Thus, the glass meets the waste acceptance criterion for durability. The measured density of the glass was 2.56 plus or minus 0.03 g/cm3.
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