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
From CS-FO-PR-001 Rev. 1
Rs= 7.3 Background Count Rate (cpm) tb = 1 Background Count Time (m in) 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 Pa ckages & 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
3 + 3. 29 R 8
- t, * (I + t-)
MDC A t *&. *& * -----I s l 00 cm 2 s
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)
Static MDC Worksheet for Gas Flow Proportional Detector
Sta* Alpha MDC - Aerotest 43-68 Detector
3 + 3. 29 MDC 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* 100cm 2 From CS-FO-PR-001 Rev. 1 126172 92791
= Surve or Efficienc Scan c; = 0.458 Scanning Instrument Efficiency (c/d)
Scan c 5 = 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 Proportiona l 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, Sect ion 4.8.4.1 Inputs Instrument S. N. 120588 et c or.. 75164 BS= 0 G= 670 0.428 Detector Efficiency (2rc)
E = s 0.25 Surface Efficiency 1.00 source efficiency (radionuclide detectability)
probability of observing a single count 1 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 count 1 1 Must be 70% or greater