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
Static MDC Worksheet for Gas Flow Proportional Detector eta MDC - Aerotest 43-37 Detector MDC 3 + 3 .29 R 8
- t , * (I + t-)
A t *&.I *& * -----
s 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) ts = 1 Sample Count Time (min) e; = 0.458 Instrument Efficiency (c/d) es= 0.25 Surface Efficiency (c/d)
Static MDC Worksheet for Gas Flow Proportional Detector Sta* Alpha MDC - Aerotest 43-68 Detector 3 + 3 .29 MDC A
[
- E 1.
- E
- 2 5
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)
Cs = 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 * - - -- - -
2 s ' s I 00 cni From CS-FO-PR-001 Rev. 1 120588 Rs= 339 Background Count Rate (cpm) tb = 1 Background Count Time (min) ts = 1 Sample Count Time (min) t;= 0.485 Instrument Efficiency (c/d) ts = 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 OOcm 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* 100cm 2 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 CS-FO-PR-001 Rev. 1, Section 4.8.4.1 Inputs Instrument S. N. 120588 et c or . . 75164 BS= 0 G= 670 0.428 Detector Efficiency (2rc)
Es = 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