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 Characterization Report, 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+
bValue based on mass-weighted density assuming 98% rock wool insulation and 2%
f 2/limit 2 + .... fn/limitn)
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 2 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.
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 Radiological Characterization Report, 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+
 
f 2/limit 2 + .... fn/limitn)
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 2 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.
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 Radiological Characterization Report, 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+
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)
f 2/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 2 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:
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 Radiological Characterization Report, 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+
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.
f 2/limit 2 + .... fn/limitn)
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 2
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)
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For the Cs-Co mix associated with the fuel oil system, the gross activity scan limit is:
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2 Gross activity scan limit = 1/Z(0.9583/130,000 + 0.0417/44,000) = 120,169 dpm/1OOcm
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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
 
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LAGUNA CLIFFS RESORT & SPA
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LAGUNA CLIFFS RESORT & SPA
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Revision as of 13:49, 13 November 2019

Scan Action Limits
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

  1. WI-ERE EVERYTmIING COMES TOGETHER

.,, --f -- / -,.

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LAGUNA CLIFFS RESORT & SPA

),amott.

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

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