Scan # | No Shield | Large Shield (650 cm 3 ) | Medium Shield (450 cm 3 ) | Small Shield (150 cm 3 ) |
---|---|---|---|---|
1 | 4820 | 138.2 | 171.4 | 265.4 |
2 | 4800 | 138.3 | ||
3 | 4800 | 138.9 | ||
4 | 4810 | 136.4 | ||
5 | 4800 | 134.2 | ||
Average +/- std.dev. | 4806 +/- 8.9 | 137.2 +/- 1.9 | ||
% Reduction | 97% | 96% | 94% | |
Reduction Factor | 35 | 28 | 18 |