Radioiodine Collection Filter Efficiency Testing Program at F&J Specialty Products, Inc. by Frank M. Gavila 12 TH Annual RETS/REMP Workshop

Presentation Overview  Radioiodine Collection Cartridge Efficiency Testing  Standardized Testing  Factors Affecting Efficiencies of Radioiodine Collection Cartridges  F&J Quality Assurance and Quality Control Programs

Radioiodine Collection Cartridges Efficinecy Testing Program Key elements  Testing is performed on every batch of adsorbent material  Testing is performed at different flow rates  Integration of new batch data from individual batches into data of all previous batches  Development of data for different sampling scenarios  Determination of pressure drop data vs. flow rate for each type of adsorbent material  Creation of graphical representation of collection efficiency vs. flow data and determination of mathematical equations that represent efficiency vs. flow relationship

Radioiodine Collection Filter Geometries Dimensions Material F&J Geometry Diameter Height Casing Series 2.25” 1.03” plastic C, CS, CSM 2.50” 1.00” plastic B 2.51” 1.01” metal M 2.54” 1.62” metal M.5 (WRGM Monitor) 3.43” 1.23” plastic 3x1 3.20” 2.20” plastic 3x2 1.63” 0.76” plastic Lapel Filter 1.24” 1.11” plastic 744/844 (Victoreen Monitor) 2.25” 1.04” metal FJ100/200

Typical Adsorbents and Mesh Sizes Available TEDA Silver Impregnated Impregnated Carbon Silver Zeolite Silica Gel 5% by wt. TEDA 37% by wt. Ag 12% by wt. Ag US Sieve US Sieve US Sieve TEDA-18x1616x40 10x16 TEDA-230x5030x50 TEDA-320x4050X80 TEDA-412x20

Activated Carbon Particulate Selector To determine approximate mesh size of an activated carbon sample, compare representative particles of the largest and smallest size to the printed solid circles. Mesh size is given in two numbers, e.g., "6x10." The first number is a mesh slightly larger than the largest representative particle, and the second is a mesh slightly smaller than the smallest particle. Normal manufacturing tolerances allow for a few non- representative particles in each sample. Standard Mesh Opening Particle Tyler U.S. mm inches Tyler U.S. mm inches                

Product Specifications  Detailed physical and performance specifications provided with each radioiodine collection cartridge manufactured by F&J.

 Charcoal Mesh Size  Charcoal Type  TEDA Impregnation  Dimensions  Casing  Filter Labeling  Performance Test Data  Quality Assurance Requirements  Individual Filter Package  Intermediate Packaging  Exterior Packaging  Incineration Approval 20 X 40 Mesh Coconut Shell Carbon 5% By Weight H = 1.05” +/- 0.01” D = 2.26” +/- 0.01” Plastic Cased Color coded YELLOW to distinguish it from other material types and indicating flow direction % CH3I vs flow rate from 0.5 CFM to10 CFM as per ASTM D ISO Quality Assurance Program and statistical process control program for diameter and height parameters Sealed individually in plastic bags with model #, batch # ID and mesh size. The expiration date on the bag. 50 Filters/Box (6 Pounds) 200 or 250 Filters/Case (24 or 30 Pounds) Yes. By GTS Duratek, Oak Ridge, Tennessee TECHNICAL SPECIFICATIONS TEDA IMPREGNATED CHARCOAL FILTERS 2-1/4"D X 1" H F&J PRODUCT CODE: TE3C

TECHNICAL SPECIFICATIONS SILVER ZEOLITE 2-1/4"D X 1" H F&J PRODUCT CODE: AGZC35  Charcoal Mesh Size  Charcoal Type  TEDA Impregnation  Dimensions  Casing  Filter Labeling  Performance Test Data  Quality Assurance Requirements  Individual Filter Package  Intermediate Packaging  Exterior Packaging  Incineration Approval 30 X 50 Mesh Silver Zeolite 37% Ag By Weight H = 1.05” +/- 0.01” D = 2.26” +/- 0.01” Plastic Cased Color coded BLUE to distinguish it from other material types and indicating flow direction % CH3I vs flow rate from 0.5 CFM to5 CFM as per ASTM D ISO Quality Assurance Program and statistical proecess control program for diameter and height parameters Sealed individually in plastic bags with model #, batch # ID and mesh size. The expiration date on the bag. 50 Filters/Box (6 Pounds) 200 or 250 Filters/Case (24 or 30 Pounds) Not Applicable

Key Physical Parameters of Radioiodine Collection Filter Cartridge Efficiencies  Adsorbent bed thickness  Flow rate of pollutant stream passing through filter  Temperature of pollutant stream  Specific pollutant species  Relative humidity of pollutant stream  Type of adsorbent  Mesh size of adsorbent in filter  Sample duration  Bed compaction

ASTM D3803, 1989 Parameters  Pressure1 atm  Temperature30 o C  Pre-equilibration Period16 hours  Equilibration Period120 minutes  CH 3 I Concentration1.75 mg/m 3  Loading Duration60 minutes  Post Sweep Period60 minutes  Bed Depth2 inches  Velocity of Gas Stream11.6 to 12.8 m/min.  Relative Humidity95%

F&J’s Modifications to ASTM D3803, 1989 Test Method  The 2 inch bed depth is modified to the bed depth of the specific filter cartridge geometry.  Variable flow rates are utilized to determine the relationship of efficiency vs. flow rate for each filter cartridge manufactured by F&J.  Various sample durations were utilized to represent typical field sampling scenarios.

Test Conditions For F&J Sampling Scenarios SHORT- INTERMEDIATE- LONG- PARAMETERS TERM TERM TERM Pre-equilibration period (hrs.) None Equilibration period (hrs.) None 2 2 Loading duration (hrs.) Post sweep duration (hrs.) CH 3 I concentration (mg/m 3 ) Pressure (atm) Bed depth Actual filter Actual filter Actual filter Flow rate ~14 to 198 LPM ~14 to 198 LPM ~14 to 198 LPM Temperature (ºC) Relative Humidity (%)

Equations for Methyl Iodide Collection Efficiency vs. Flow Rate for TEDA Impregnated Charcoal Cartridges and Silver Zeolite Cartridges Applicable to Series C, CS, CSM, B and M Short-Term Sampling Scenario Adsorbent Type X = CFM Equations X = LPM Equations AGZ58 y = x x y = x x TEDA-1 y = x 2 – x y = x 2 – x TEDA-2 y = x x y = x TEDA-3 y = x 2 – x y = x 2 – x TEDA-4 y = -1.06x x y = x x Intermediate-Term Sampling Scenario Adsorbent Type X = CFM Equations X = LPM Equations AGZ164 y = x 2 – x y = x 2 –0.2562x AGZ35 y = x 2 – x y = x 2 –0.1414x AGZ58 y = 0.39x 2 – x y = x 2 –0.018x TEDA-1 y = x 2 – x y = x 2 –0.7102x TEDA-2 y = x 2 – x y = x 2 –0.0125x TEDA-3 y = x 2 – x y = x 2 –0.1519x TEDA-4 y = x 2 – x y = x 2 –0.922x Long-Term Sampling Scenario Adsorbent Type X = CFM Equations X = LPM Equations TEDA-1 y = 2.295x 2 – x y = x 2 –0.7192x TEDA-2 y = x 2 – x y = x 2 –0.0123x TEDA-3 y = x 2 – x y = x 2 –0.0492x TEDA-4 y = -1.22x 2 – 6.23x y = x 2 –0.2211x

Factors Affecting Efficiencies of Radioiodine Collection Cartridges  Species Impact Collection efficiency of I 2 (g) > Collection efficiency of CH 3 I(g)  Temperature Impact Efficiency increases with an increase in temperature  Relative Humidity Impact Efficiency decreases with an increase in relative humidity  Flow Rate Impact Efficiency decreases with an increase in flow rate  Bed Depth Impact Efficiency increases with an increase in bed depth of the cartridge  Sample Duration Impact Efficiency decreases with an increase in sample duration  Particle Size Impact Efficiency increases with a decrease in particle size of the adsorbent