ML102700539: Difference between revisions
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{{#Wiki_filter:Scan Action Limits (ALs): Rock Wool Insulation Radionuclide Waste Limita Scan Action Levelb (pCi/g) (dpm/100 cm 2)Cs-137 15.0 1,400 Co-60 5.0 480 Sr-90 1.0 95 Eu-152 1.0 95 Eu-154 1.0 95 Ag-108m 0.1 10 aValue from Table 1 in PG&E Letter HBL-10-003. | {{#Wiki_filter:Scan Action Limits (ALs): Rock Wool Insulation Radionuclide Waste Limita Scan Action Levelb (pCi/g) (dpm/100 cm 2 ) | ||
bValue based on mass-weighted density assuming 98% rock wool insulation and 2%asbestos-cement sheet. Value shown has been rounded down to 2 significant digits.Relative Fractionsa: | Cs-137 15.0 1,400 Co-60 5.0 480 Sr-90 1.0 95 Eu-152 1.0 95 Eu-154 1.0 95 Ag-108m 0.1 10 aValue from Table 1 in PG&E Letter HBL-10-003. | ||
Radionuclide-of-Concern Average (pCi/g) Relative Fraction Cs-1 37 7.96 0.9583 Co-60 0.350.0417 aBased on positive Cs-1 37 and Co-60 results for samples collected from Units 1 and 2, as reported in Table 4-7 in Radiological | bValue based on mass-weighted density assuming 98% rock wool insulation and 2% | ||
asbestos-cement sheet. Value shown has been rounded down to 2 significant digits. | |||
For the Cs-Co mix associated with the fuel oil system, the gross activity scan limit is: Gross activity scan limit = 1/Z(0.9583/1,400 | Relative Fractionsa: | ||
+ 0.0417/480) | Radionuclide-of-Concern Average (pCi/g) Relative Fraction Cs-1 37 7.96 0.9583 Co-60 0.350.0417 aBased on positive Cs-1 37 and Co-60 results for samples collected from Units 1 and 2, as reported in Table 4-7 in Radiological CharacterizationReport, Humboldt Bay Power Plant [ref j. | ||
= 1,296 dpm/1OOcm | The gross activity limit for scans was determined through the application of MARSSIM equation 4-4" Gross activity scan limit = 1/7(fl/limitl+ f2/limit 2 + .... fn/limitn) | ||
bValue based on density for aluminum. | For the Cs-Co mix associated with the fuel oil system, the gross activity scan limit is: | ||
Value shown has been rounded down to 2 significant digits.Relative Fractionsa: | 2 Gross activity scan limit = 1/Z(0.9583/1,400 + 0.0417/480) = 1,296 dpm/1OOcm | ||
Radionuclide-of-Concern Average (pCi/g) Relative Fraction Cs-1 37 7.96 0.9583 Co-60 0.35 0.0417 aBased on positive Cs-1 37 and Co-60 results for samples collected from Units 1 and 2, as reported in Table 4-7 in | |||
Scan ALs: Ventilation Radionuclide Waste Limita Scan Action Levelb (pCi/g) (dpm/100 cm 2 ) | |||
For the Cs-Co mix associated with the fuel oil system, the gross activity scan limit is: Gross activity scan limit = 1/Z(0.9583/44,600 | Cs-1 37 15.0 44,600 Co-60 5.0 14,800 Sr-90 1.0 2,900 Eu-152 1.0 2,900 Eu-154 1.0 2,900 Ag-108m 0.1 290 aValue from Table 1 in PG&E Letter HBL-10-003. | ||
+ 0.0417/14,800) | bValue based on density for aluminum. Value shown has been rounded down to 2 significant digits. | ||
= 41,145 dpm/1OOcm | Relative Fractionsa: | ||
bValue based on density of iron. Value shown has been rounded down to 2 significant digits.Relative Fractionsa: | Radionuclide-of-Concern Average (pCi/g) Relative Fraction Cs-1 37 7.96 0.9583 Co-60 0.35 0.0417 aBased on positive Cs-1 37 and Co-60 results for samples collected from Units 1 and 2, as reported in Table 4-7 in RadiologicalCharacterizationReport, Humboldt Bay Power Plant [ref j. | ||
Radionuclide-of-Concern Average (pCi/g) Relative Fraction Cs-1 37 7.96 0.9583 Co-60 0.35 0.0417 aBased on positive Cs-137 and Co-60 results for samples collected from Units 1 and 2, as reported in Table 4-7 in | The gross activity limit for scans was determined through the application of MARSSIM equation 4-4" Gross activity scan limit = 1/7(fl/limitl+ f2/limit 2 + .... fn/limitn) | ||
For the Cs-Co mix associated with the fuel oil system, the gross activity scan limit is: | |||
For the Cs-Co mix associated with the fuel oil system, the gross activity scan limit is: Gross activity scan limit = 1/Z(0.9583/130,000 | 2 Gross activity scan limit = 1/Z(0.9583/44,600 + 0.0417/14,800) = 41,145 dpm/1OOcm | ||
+ 0.0417/44,000) | |||
= 120,169 dpm/1OOcm | Scan ALs: Steel Radionuclide Waste Limita Scan Action Levelb (pCi/g) (dpm/100 cm 2 ) | ||
Radionuclide-of-Concern Average (pCi/g) Relative Fraction Cs-137 7.96 0.9583 Co-60 0.35 0.0417 aBased on positive Cs-1 37 and Co-60 results for samples collected from Units 1 and 2, as reported in Table 4-7 in | Cs-137 15.0 130,000 Co-60 5.0 44,000 Sr-90 1.0 8,800 Eu-152 1.0 8,800 Eu-154 1.0 8,800 Ag-108m 0.1 880 aValue from Table 1 in PG&E Letter HBL-10-003. | ||
bValue based on density of iron. Value shown has been rounded down to 2 significant digits. | |||
For the Cs-Co mix associated with the fuel oil system, the gross activity scan limit is: Gross activity scan limit = 1/Z(0.9583/14,000 | Relative Fractionsa: | ||
+ 0.0417/4,900) | Radionuclide-of-Concern Average (pCi/g) Relative Fraction Cs-1 37 7.96 0.9583 Co-60 0.35 0.0417 aBased on positive Cs-137 and Co-60 results for samples collected from Units 1 and 2, as reported in Table 4-7 in RadiologicalCharacterizationReport, Humboldt Bay Power Plant [ref j. | ||
= 12,990 dpm/1OOcm | The gross activity limit for scans was determined through the application of MARSSIM equation 4-4" Gross activity scan limit = 1/y(fl/limitl+ f2/limit 2 + .... fn/limitn) | ||
# WI-ERE EVERYTmIING COMES TOGETHER.,, --f -- / -,.--ccr /"3 - | For the Cs-Co mix associated with the fuel oil system, the gross activity scan limit is: | ||
2 Gross activity scan limit = 1/Z(0.9583/130,000 + 0.0417/44,000) = 120,169 dpm/1OOcm | |||
Scan ALs: DAW Radionuclide Waste Limita Scan Action Level" (pCi/g) (dpm/100 cm 2 ) | |||
Cs-137 15.0 14,000 Co-60 5.0 4,900 Sr-90 1.0 990 Eu-152 1.0 990 Eu-154 1.0 990 Ag-108m 0.1 90 aValue from Table 1 in PG&E Letter HBL-1 0-003. | |||
bValue based on assigned density equal to 55 lbs per cubic foot (PG&E Letter HBL-1 0-0030. Value shown has been rounded down to 2 significant digits. | |||
Relative Fractionsa: | |||
Radionuclide-of-Concern Average (pCi/g) Relative Fraction Cs-137 7.96 0.9583 Co-60 0.35 0.0417 aBased on positive Cs-1 37 and Co-60 results for samples collected from Units 1 and 2, as reported in Table 4-7 in RadiologicalCharacterizationReport, Humboldt Bay Power Plant [ref j. | |||
The gross activity limit for scans was determined through the application of MARSSIM equation 4-4" Gross activity scan limit = 1/y(fl/limitl+ f2/limit 2 + .... fn/limitn) | |||
For the Cs-Co mix associated with the fuel oil system, the gross activity scan limit is: | |||
2 Gross activity scan limit = 1/Z(0.9583/14,000 + 0.0417/4,900) = 12,990 dpm/1OOcm | |||
# WI-ERE EVERYTmIING COMES TOGETHER | |||
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-- ccr /"3 - | |||
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Z~~ce Visit lagunacliffs.com for your next Southern California experience. | |||
LAGUNA CLIFFS RESORT & SPA | LAGUNA CLIFFS RESORT & SPA | ||
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1WIWERE WEVERYTIIIN C COMES TOGETH-ER< | |||
J~-c,. | |||
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Visit lagunacliffs.com for your next Southern California experience. | |||
LAGUNA CLIFFS RESORT & SPA | |||
%*arrlotl. ......}} | |||
Revision as of 13:49, 13 November 2019
| ML102700539 | |
| Person / Time | |
|---|---|
| Site: | Humboldt Bay |
| Issue date: | 09/17/2010 |
| From: | - No Known Affiliation |
| To: | NRC/FSME |
| References | |
| Download: ML102700539 (6) | |
Text
Scan Action Limits (ALs): Rock Wool Insulation Radionuclide Waste Limita Scan Action Levelb (pCi/g) (dpm/100 cm 2 )
Cs-137 15.0 1,400 Co-60 5.0 480 Sr-90 1.0 95 Eu-152 1.0 95 Eu-154 1.0 95 Ag-108m 0.1 10 aValue from Table 1 in PG&E Letter HBL-10-003.
bValue based on mass-weighted density assuming 98% rock wool insulation and 2%
asbestos-cement sheet. Value shown has been rounded down to 2 significant digits.
Relative Fractionsa:
Radionuclide-of-Concern Average (pCi/g) Relative Fraction Cs-1 37 7.96 0.9583 Co-60 0.350.0417 aBased on positive Cs-1 37 and Co-60 results for samples collected from Units 1 and 2, as reported in Table 4-7 in Radiological CharacterizationReport, Humboldt Bay Power Plant [ref j.
The gross activity limit for scans was determined through the application of MARSSIM equation 4-4" Gross activity scan limit = 1/7(fl/limitl+ f2/limit 2 + .... fn/limitn)
For the Cs-Co mix associated with the fuel oil system, the gross activity scan limit is:
2 Gross activity scan limit = 1/Z(0.9583/1,400 + 0.0417/480) = 1,296 dpm/1OOcm
Scan ALs: Ventilation Radionuclide Waste Limita Scan Action Levelb (pCi/g) (dpm/100 cm 2 )
Cs-1 37 15.0 44,600 Co-60 5.0 14,800 Sr-90 1.0 2,900 Eu-152 1.0 2,900 Eu-154 1.0 2,900 Ag-108m 0.1 290 aValue from Table 1 in PG&E Letter HBL-10-003.
bValue based on density for aluminum. Value shown has been rounded down to 2 significant digits.
Relative Fractionsa:
Radionuclide-of-Concern Average (pCi/g) Relative Fraction Cs-1 37 7.96 0.9583 Co-60 0.35 0.0417 aBased on positive Cs-1 37 and Co-60 results for samples collected from Units 1 and 2, as reported in Table 4-7 in RadiologicalCharacterizationReport, Humboldt Bay Power Plant [ref j.
The gross activity limit for scans was determined through the application of MARSSIM equation 4-4" Gross activity scan limit = 1/7(fl/limitl+ f2/limit 2 + .... fn/limitn)
For the Cs-Co mix associated with the fuel oil system, the gross activity scan limit is:
2 Gross activity scan limit = 1/Z(0.9583/44,600 + 0.0417/14,800) = 41,145 dpm/1OOcm
Scan ALs: Steel Radionuclide Waste Limita Scan Action Levelb (pCi/g) (dpm/100 cm 2 )
Cs-137 15.0 130,000 Co-60 5.0 44,000 Sr-90 1.0 8,800 Eu-152 1.0 8,800 Eu-154 1.0 8,800 Ag-108m 0.1 880 aValue from Table 1 in PG&E Letter HBL-10-003.
bValue based on density of iron. Value shown has been rounded down to 2 significant digits.
Relative Fractionsa:
Radionuclide-of-Concern Average (pCi/g) Relative Fraction Cs-1 37 7.96 0.9583 Co-60 0.35 0.0417 aBased on positive Cs-137 and Co-60 results for samples collected from Units 1 and 2, as reported in Table 4-7 in RadiologicalCharacterizationReport, Humboldt Bay Power Plant [ref j.
The gross activity limit for scans was determined through the application of MARSSIM equation 4-4" Gross activity scan limit = 1/y(fl/limitl+ f2/limit 2 + .... fn/limitn)
For the Cs-Co mix associated with the fuel oil system, the gross activity scan limit is:
2 Gross activity scan limit = 1/Z(0.9583/130,000 + 0.0417/44,000) = 120,169 dpm/1OOcm
Scan ALs: DAW Radionuclide Waste Limita Scan Action Level" (pCi/g) (dpm/100 cm 2 )
Cs-137 15.0 14,000 Co-60 5.0 4,900 Sr-90 1.0 990 Eu-152 1.0 990 Eu-154 1.0 990 Ag-108m 0.1 90 aValue from Table 1 in PG&E Letter HBL-1 0-003.
bValue based on assigned density equal to 55 lbs per cubic foot (PG&E Letter HBL-1 0-0030. Value shown has been rounded down to 2 significant digits.
Relative Fractionsa:
Radionuclide-of-Concern Average (pCi/g) Relative Fraction Cs-137 7.96 0.9583 Co-60 0.35 0.0417 aBased on positive Cs-1 37 and Co-60 results for samples collected from Units 1 and 2, as reported in Table 4-7 in RadiologicalCharacterizationReport, Humboldt Bay Power Plant [ref j.
The gross activity limit for scans was determined through the application of MARSSIM equation 4-4" Gross activity scan limit = 1/y(fl/limitl+ f2/limit 2 + .... fn/limitn)
For the Cs-Co mix associated with the fuel oil system, the gross activity scan limit is:
2 Gross activity scan limit = 1/Z(0.9583/14,000 + 0.0417/4,900) = 12,990 dpm/1OOcm
- WI-ERE EVERYTmIING COMES TOGETHER
.,, --f -- / -,.
-- ccr /"3 -
-Z m,- I jZ~ ~
Z~~ce Visit lagunacliffs.com for your next Southern California experience.
LAGUNA CLIFFS RESORT & SPA
),amott.
1WIWERE WEVERYTIIIN C COMES TOGETH-ER<
J~-c,.
- -~ 4- ~, -
71~)ci~-.
Visit lagunacliffs.com for your next Southern California experience.
LAGUNA CLIFFS RESORT & SPA
%*arrlotl. ......