ML22340A014
| ML22340A014 | |
| Person / Time | |
|---|---|
| Site: | Aerotest |
| Issue date: | 11/16/2022 |
| From: | Aerotest |
| To: | Office of Nuclear Material Safety and Safeguards |
| Shared Package | |
| ML22340A004 | List: |
| References | |
| Download: ML22340A014 (1) | |
Text
Static MDC Worksheet for Gas Flow Proportional Detector Static Alpha MDC - Aerotest 43-37 Detector MDC From CS-FO-PR-001 Rev. 1 Rs=
7.3 Background Count Rate (cpm) tb =
1 Background Count Time (min) t =
s 1
Sample Count Time (min) c;=
0.407 Instrument Efficiency (c/d)
Es =
0.25 Surface Efficiency (c/d)
C:\\Users\\swcroslin\\Documents\\Aerotest\\Survey Packages & Sampling\\lnstruments\\Static & Scan MDC Worksheet for Aerotest Page 1 of 1
MDC Static MDC Worksheet for Gas Flow Proportional Detector eta MDC - Aerotest 43-37 Detector 3 + 3.29 R 8
- t, * (I + t-)
A t
s I
s l 00 cm 2 From CS-FO-PR-001 Rev. 1 Instrument S. N.
126172 Detector S. N.
Rs=
1330 Background Count Rate (cpm) tb =
1 Background Count Time (min) t =
s 1
Sample Count Time (min) e; =
0.458 Instrument Efficiency (c/d) es=
0.25 Surface Efficiency (c/d)
MDC Static MDC Worksheet for Gas Flow Proportional Detector Sta* Alpha MDC - Aerotest 43-68 Detector 3 + 3.29 A
[ 5
- E.
- E 2
1 s
I 00 cm From CS-FO-PR-001 Rev. 1 120588 Rs=
3.1 Background Count Rate (cpm) tb =
1 Background Count Time (min) ts=
1 Sample Count Time (min) c; =
0.428 Instrument Efficiency (c/d)
C =
s 0.25 Surface Efficiency (c/d)
Static MDC Worksheet for Gas Flow Proportional Detector Static Beta MDC - Aerotest 43-68 Detector MDC A
t
- S. *S s
s I 00 cni 2 From CS-FO-PR-001 Rev. 1 120588 Rs=
339 Background Count Rate (cpm) tb =
1 Background Count Time (min) t =
s 1
Sample Count Time (min) t;=
0.485 Instrument Efficiency (c/d) t =
s 0.25 Surface Efficiency (c/d)
Scan MDC Worksheet for Gas Flow Proportional Detector Scan Beta MDC* Aerotest 43*68 Detector d'. 60 R. ;
i B 60 Scan MDC=
A
P
- & i * & s
- I O O cm 2 From CS-FO-PR-001 Rev. 1 120588
=
0.50 Scan c;=
0.485 Scanning Instrument Efficiency (c/d)
Scan £ 5 =
0.25 Scanning Surface Efficiency (c/d)
Scan S eed =
4.6 inches/sec 339 Background Count Rate (cpm)
Detector Width =
4.6 A=
i=
Scan MDC=
1,822
Scan MDC Worksheet for Gas Flow Proportional Detector Scan Beta MDC - Aerotest 43-37 Detector d' _ 60 R _ i i
B 60 Scan MDC =
A
..jp. E,- *Es* 100cm2 From CS-FO-PR-001 Rev. 1 126172 92791
=
Surve or Efficienc Scan c; =
0.458 Scanning Instrument Efficiency (c/d)
Scan c5 =
0.50 Scanning Surface Efficiency (c/d)
Scan S eed =
6.3 inches/sec 43-37 Detector Beta i=
1.00 time interval secs Scan MDC=
Alpha Scan Probability Worksheet for 43-68 Gas Flow Proportional Detectors a Scan Detetction Probability (43-37)
-l*G*&i *cs *Wdet P(n > 1)== 1-e 60*Rate Instrument S. N.
et c or.
BS=
G=
E =
s CS-FO-PR-001 Rev. 1, Section 4.8.4.1 Inputs 120588 75164 0
670 0.428 Detector Efficiency (2rc) 0.25 Surface Efficiency 1.00 source efficiency (radionuclide detectability) probability of observing a single count1 1 Must be 70% or greater
Alpha Scan Probability Worksheet for 43-37 Gas Flow Proportional Detectors a Scan Detetction Probability (43-37)
-1 *G*Ei *Es *Wdet P(n > 1)== 1-e 60*Rate CS-FO-PR-001 Rev. 1, Section 4.8.4.1 Inputs Instrument S. N.
126172 Detector S. N.
92791 s-0 710 e;=
0.407 Detector Efficiency (2n)
Es=
0.25 Surface Efficiency Sc=
1.00 source efficiency (radionuclide detectability)
Wdet width of detector in direction of scan (cm) probability of observing a single count1 1 Must be 70% or greater