4.

As a member of the NBCE, you have received the radiological monitoring data shown in Figure

6-18 for a burst that occurred at 0830 hours. Using the mathematical method, what is the

average **n **for fallout in this area?

A.

0.91

B.

1.14

C.

1.37

D.

1.65

5.

In a fallout area where the decay exponent is 1.1, the dose rate at H + 1 is 150 cGyph. What will

the dose rate (**cGyph**) be at H + 4?

A.

32

B.

44

C.

51

D.

63

6.

In a fallout area where the decay exponent is 1.6, the H + 3 dose rate is 20 cGyph. What was the

H + 1 dose rate (**cGyph**) ?

A.

74

B.

86

C.

116

D.

156