Table C.2 Kd for rough glass Area Cw mw mg Cw Cg Kd cm² dpm/5ml dpm/glass dpm/glass dpm/L dpm/m² Rough 69.8 3641 7281 3326 728142 476395 0.65 69.8 3569 7137 3470 713728 497044 0.70 109 3744 7487 3120 748730 297138 0.40 109 3256 6511 4096 651104 390124 0.60 148 3433 6866 3741 686622 266864 0.39 148 3323 6646 3961 664566 282599 0.43 188 3279 6558 4049 655828 230881 0.35 188 3179 6357 4250 635744 242334 0.38 227 3130 6261 4346 626078 206429 0.33 227 3181 6362 4245 636176 201632 0.32