Arizona Administrative Code (Last Updated: November 17, 2016) |
Title 12. NATURAL RESOURCES |
Chapter 1. RADIATION REGULATORY AGENCY |
Article 1. GENERAL PROVISIONS |
Section R12-1-105. Quality Factors for Converting Absorbed Dose to Dose Equivalent
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A. As used in these rules, the quality factors for converting absorbed dose to dose equivalent are shown in Table I.
TABLE I
QUALITY FACTORS AND ABSORBED DOSE EQUIVALENCIES
Quality Factor Absorbed Dose
(Q) Equal to a Unit
TYPE OF RADIATION Dose Equivalenta
X, gamma, or beta radiation and high-
speed electrons 1
Neutron Energy (meV)
Quality Factor (Q)
Fluence per Unit Dose Equivalentb (neutrons cm-2
(thermal)
2.5E-8
2
980E+6
980E+8
1E-7
2
980E+6
980E+8
1E-6
2
810E+6
810E+8
1E-5
2
810E+6
810E+8
1E-4
2
840E+6
840E+8
1E-3
2
980E+6
980E+8
1E-2
2.5
1010E+6
1010E+8
1E-1
7.5
170E+6
170E+8
5E-1
11
39E+6
39E+8
1
11
27E+6
27E+8
2.5
9
29E+6
29E+8
5
8
23E+6
23E+8
7
7
24E+6
24E+8
10
6.5
24E+6
24E+8
14
7.5
17E+6
17E+8
20
8
16E+6
16E+8
40
7
14E+6
14E+8
60
5.5
16E+6
16E+8
1E+2
4
20E+6
20E+8
2E+2
3.5
19E+6
19E+8
3E+2
3.5
16E+6
16E+8
4E+2
3.5
14E+6
14E+8
Fluence per Unit Dose Equivalentb (neutrons cm-2
Sv-1)
a Value of quality factor (Q) at the point where the dose equivalent is maximum in a 30-centimeter diameter cylinder tissue-equivalent phantom.