Interim Report - Hanford Site

33 Predicted Calcium Mineral Saturation Indices Based on the Reaction of
Hydroxyapatite at 40°C ........................................................................................................... 3.33
34 Experimental Release of Calcium and Phosphorus from 300 Area Sediment
Containing a 5-wt% Hydroxyapatite Barrier........................................................................... 3.33
35 Log 10 Uranium Release Rate as a Function of Temperature-Corrected pH for Na-
Autunite in 0.01 M THAM solution, and Log 10 Uranium Release Rate as a Function
of Temperature-Corrected pH for GHR in 0.01 M THAM Solution....................................... 3.35
36 Log 10 Phosphorus Release Rate as a Function of Temperature-Corrected pH for Na-
Autunite in 0.01 M THAM Solution, and Log 10 Phosphorus Release Rate as a Function
of Temperature-Corrected pH GHR in 0.01 M THAM Solution ............................................ 3.36
37 Log 10 Sodium Release Rate as a Function of Temperature-Corrected pH for Na-
Autunite in 0.01 M THAM solution, and Log 10 Calcium Release Rate as a Function
of Temperature-Corrected pH for GHR in 0.01 M THAM Solution....................................... 3.37
38 A SEM Photomicrograph of Reacted Na-Autunite Illustrating Basal Cleavage of the
Autunite Plates from Attack During Dissolution .................................................................... 3.39
39 Viscosity of Polyphosphate Amendment ................................................................................ 3.41
Tables
1 Proposed Phosphate Sources for Polyphosphate Amendment ................................................ 2.4
2 Composition of Solutions Used in Sorption Experiments....................................................... 2.6
3 Composition of Solutions Used in Single-Pass Flow-Through Experiments.......................... 2.10
4 Source, Particle Size, and Surface Area of Autunite Minerals................................................ 2.12
5 Possible Sources and Associated Solubility for Polyphosphate Amendment ......................... 3.3
6 Experimental Batch Conditions for Polyphosphate Amendment Optimization...................... 3.4
7 Down-Selected Experimental Batch Conditions for Polyphosphate Amendment
Optimization............................................................................................................................ 3.6
8 Experimental Parameters for Polyphosphate Amendment Optimization Column Tests......... 3.10
9 Transport Parameters Determined by Direct Measurement or from Laboratory-
Derived Breakthrough Curve on the