TABLE B-1-6. 155 Ey (86.550 keV) BRUSH ATTENUATION MEASUREMENTS Cleared Stake No. (pCi/g) Uncleared Total Cleared Cleared 100% Brush (pCi/g) (%) (Ratio) 7-N-1 6.0 5.4 0.229 1,149 6-N-i 7.7 6.9 0.260 1.163 5-N-1 7.8 6.3 0.174 1.303 5-S-2 7.8 7.6 0.223 1,034 6-5-2 8.8 7.2 0.228 1.308 6-S-1 6.6 5.4 0.174 1.282 4-N-1 8.23 7.9 0.174 1.051 4-S-3 13.13 12.3 0.174 1.083 7T-S-1 4.7 5.5 0.174 0.829 Ratio Mean, x = 1.137 Standard Deviation, = 0.155 o/x = 13.7% TABLE B-1-7. 137Cs (661.6 keV) BRUSH ATTENUATION MEASUREMENTS Cleared Stake No. (pCi/g) Uneleared (pCi/g) Total Cleared (96) (Ratio) Cleared 100% Brush 7-N-1 31,0 28.2 0.229 1,133 6-N-1 33.2 29.3 0.260 1,189 5-N-1 25.2 24.2 0.174 1.050 5-8-2 21.5 21.1 0.223 1.024 6-5-2 35.9 34.1 0.228 1.069 6-S-1 26.3 27.5 0.174 0.947 4-N-1 22.93 23.3 0.174 0.981 4-5-3 27.0 27.9 0.174 0.961 7-8-1 25.7 25.8 0.174 0.995 Ratio Mean, x = 1.039 Standard Deviation, 7= 0.08 o/x =7.8% B-1-7