On Figure 5-10, connect 0.2 hours on the Ts scale (Soil Types II and IV) and
20 hours on the Te scale with a hairline.
Pivot through the point of
intersection with the index scale to 500 cGyph on the R1 scale.
Read a
total dose of 20 cGy on the D scale at the point of intersection with the
hairline.
ANSWER:
20 cGy.
Figure 5-11.
5-37
CM5206