ML19099A132

Appendix K, Qaqc Records, 2017 - Instrument QC Results 2017

ML19099A132
Person / Time
Site:	07000371
Issue date:	03/01/2018
From:	Cabrera Services
To:	NRC Region 1
Shared Package
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References
Download: ML19099A132 (56)

Text

Instrument Detector Make Ludlum Ludlum Model 22241 4393 UniqueID#

227246 PR244549 Validation(First,Last)

Cal.Due,YYYYMMDD tbBkgd.CountTime,min Bkgd.TotalCounts(beta) 100 1.2 Source Th230 H3 C14 Tc99 Cl36 SrY90 EmissionType

UniqueID#

AC2446 OR256 AC2447 AC2448 AC2449 AC2450 Cert.Date,YYYYMMDD 20130725 20061101 20130425 20130425 20130425 20130522 SourceActiveArea,cm2 150 100 150 150 150 150 RadioactiveHalflife,yrs 75,380 12.3 5,700 211,100 301,000 28.8 Cert.SurfaceEmissionRate(SER),

sec1 1,080 1,110 1,260 1,830 2,480 4,500 DecayCorrected(SER),sec1 1,080 621 1,259 1,830 2,480 4,111 MeanEmissionEnergy,keV 4,667 5.7 49 85 252 565 EndPointEmissionEnergy,keV 4,684 18.6 156 294 710 2,280 SSourceEfficiency 0.25 0.25 0.25 0.25 0.50 0.50 tsSourceCountTime,min 2

1 Contact 38,108 28,198

+1cm 12,520 22,768

+2cm Contact 0.441 0.382

+1cm 0.145 0.308

+2cm Contact 0.110 0.096

+1cm 0.036 0.077

+2cm 210.0 A.Jacobs Technician(First,Last)

ISO7503EFFICIENCY()WORKSHEET EFFICIENCYPLOTS ISO7503EFFICIENCY()WORKSHEET(Rev.0) 20180106 2PiTestDate,YYYYMMDD 20170222 INSTRUMENT/TECHNICIANDETAILS 1.0 N.Berliner 2piefficiencydata INSTRUMENTEFFICIENCY(i)

TOTALEFFICIENCY(T)

DetectorActiveArea,cm2 WindowArealDensity,mg/cm2 TESTDATA(entergrosscountstarget>30000,required>10000counts)

SOURCEDETAILS UNC TestSite 49 85 252 565 5%

0%

5%

10%

15%

20%

25%

30%

35%

40%

45%

0.0 100.0 200.0 300.0 400.0 500.0 600.0

% Instrument Efficiency vs. Mean Beta Energy, keV Contact

+1cm

+2cm CalSource 49 85 252 565 2%

0%

2%

4%

6%

8%

10%

12%

0 100 200 300 400 500 600

% Total Efficiency vs. Mean Beta Energy, keV CalSource Contact

+1cm

+2cm RevDate20130819 FRONT

Instrument Detector Make Ludlum Ludlum Model 2360 4393 UniqueID#

184909 PR298426 Validation(First,Last)

Cal.Due,YYYYMMDD tbBkgd.CountTime,min Bkgd.TotalCounts(beta) 100 1.2 Source Th230 H3 C14 Tc99 Cl36 SrY90 EmissionType

UniqueID#

AC2446 OR256 AC2447 AC2448 AC2449 AC2450 Cert.Date,YYYYMMDD 20130725 20061101 20130425 20130425 20130425 20130522 SourceActiveArea,cm2 150 100 150 150 150 150 RadioactiveHalflife,yrs 75,380 12.3 5,700 211,100 301,000 28.8 Cert.SurfaceEmissionRate(SER),

sec1 1,080 1,110 1,260 1,830 2,480 4,500 DecayCorrected(SER),sec1 1,080 621 1,259 1,830 2,480 4,110 MeanEmissionEnergy,keV 4,667 5.7 49 85 252 565 EndPointEmissionEnergy,keV 4,684 18.6 156 294 710 2,280 SSourceEfficiency 0.25 0.25 0.25 0.25 0.50 0.50 tsSourceCountTime,min 2

1 Contact 34,294 18,269

+1cm 22,211 15,284

+2cm Contact 0.397 0.248

+1cm 0.103 0.207

+2cm Contact 0.099 0.062

+1cm 0.026 0.052

+2cm Technician(First,Last)

A.Jacobs ISO7503EFFICIENCY()WORKSHEET(Rev.0)

ISO7503EFFICIENCY()WORKSHEET INSTRUMENT/TECHNICIANDETAILS EFFICIENCYPLOTS 2piefficiencydata N.Berliner 20180116 2PiTestDate,YYYYMMDD 20170223 1.0 118.0

DetectorActiveArea,cm2 TestSite UNC WindowArealDensity,mg/cm2 SOURCEDETAILS TESTDATA(entergrosscountstarget>30000,required>10000counts)

INSTRUMENTEFFICIENCY(i)

TOTALEFFICIENCY(T) 49 85 252 565 5%

0%

5%

10%

15%

20%

25%

30%

0.0 100.0 200.0 300.0 400.0 500.0 600.0

% Instrument Efficiency vs. Mean Beta Energy, keV Contact

+1cm

+2cm CalSource 49 85 252 565 1%

0%

1%

2%

3%

4%

5%

6%

7%

0 100 200 300 400 500 600

% Total Efficiency vs. Mean Beta Energy, keV CalSource Contact

+1cm

+2cm RevDate20130819 FRONT

Instrument Detector Make Ludlum Ludlum Model 2360 4393 UniqueID#

193638 PR199836 Validation(First,Last)

Cal.Due,YYYYMMDD tbBkgd.CountTime,min Bkgd.TotalCounts(beta) 100 1.2 Source Th230 H3 C14 Tc99 Cl36 SrY90 EmissionType

UniqueID#

AC2446 OR256 AC2447 AC2448 AC2449 AC2450 Cert.Date,YYYYMMDD 20130725 20061101 20130425 20130425 20130425 20130522 SourceActiveArea,cm2 150 100 150 150 150 150 RadioactiveHalflife,yrs 75,380 12.3 5,700 211,100 301,000 28.8 Cert.SurfaceEmissionRate(SER),

sec1 1,080 1,110 1,260 1,830 2,480 4,500 DecayCorrected(SER),sec1 1,080 621 1,259 1,830 2,480 4,110 MeanEmissionEnergy,keV 4,667 5.7 49 85 252 565 EndPointEmissionEnergy,keV 4,684 18.6 156 294 710 2,280 SSourceEfficiency 0.25 0.25 0.25 0.25 0.50 0.50 tsSourceCountTime,min 2

1 Contact 37,853 19,822

+1cm 13,738 16,388

+2cm Contact 0.438 0.269

+1cm 0.159 0.222

+2cm Contact 0.110 0.067

+1cm 0.040 0.056

+2cm SOURCEDETAILS TESTDATA(entergrosscountstarget>30000,required>10000counts)

INSTRUMENTEFFICIENCY(i)

TOTALEFFICIENCY(T) 118.0

DetectorActiveArea,cm2 TestSite UNC WindowArealDensity,mg/cm2 N.Berliner 20180207 2PiTestDate,YYYYMMDD 20170224 1.0 Technician(First,Last)

A.Jacobs ISO7503EFFICIENCY()WORKSHEET(Rev.0)

ISO7503EFFICIENCY()WORKSHEET INSTRUMENT/TECHNICIANDETAILS EFFICIENCYPLOTS 2piefficiencydata 49 85 252 565 5%

0%

5%

10%

15%

20%

25%

30%

0.0 100.0 200.0 300.0 400.0 500.0 600.0

% Instrument Efficiency vs. Mean Beta Energy, keV Contact

+1cm

+2cm CalSource 49 85 252 565 1%

0%

1%

2%

3%

4%

5%

6%

7%

8%

0 100 200 300 400 500 600

% Total Efficiency vs. Mean Beta Energy, keV CalSource Contact

+1cm

+2cm RevDate20130819 FRONT

Instrument Detector Make Ludlum Ludlum Model 2360 4337 UniqueID#

202408 PR178371 Validation(First,Last)

Cal.Due,YYYYMMDD tbBkgd.CountTime,min Bkgd.TotalCounts(beta) 582 1.2 Source Th230 H3 C14 Tc99 Cl36 SrY90 EmissionType

UniqueID#

AC2446 OR256 AC2447 AC2448 AC2449 AC2450 Cert.Date,YYYYMMDD 20130725 20061101 20130425 20130425 20130425 20130522 SourceActiveArea,cm2 150 100 150 150 150 150 RadioactiveHalflife,yrs 75,380 12.3 5,700 211,100 301,000 28.8 Cert.SurfaceEmissionRate(SER),

sec1 1,080 1,110 1,260 1,830 2,480 4,500 DecayCorrected(SER),sec1 1,080 621 1,259 1,830 2,480 4,110 MeanEmissionEnergy,keV 4,667 5.7 49 85 252 565 EndPointEmissionEnergy,keV 4,684 18.6 156 294 710 2,280 SSourceEfficiency 0.25 0.25 0.25 0.25 0.50 0.50 tsSourceCountTime,min 5

5 Contact 85,141 195,396

+1cm 28,779 175,189

+2cm Contact 0.263 0.354

+1cm 0.089 0.317

+2cm Contact 0.066 0.089

+1cm 0.022 0.079

+2cm Technician(First,Last)

A.Jacobs ISO7503EFFICIENCY()WORKSHEET(Rev.0)

ISO7503EFFICIENCY()WORKSHEET INSTRUMENT/TECHNICIANDETAILS EFFICIENCYPLOTS 2piefficiencydata N.Berliner 20171126 2PiTestDate,YYYYMMDD 20170224 2.0 357.0

DetectorActiveArea,cm2 TestSite UNC WindowArealDensity,mg/cm2 SOURCEDETAILS TESTDATA(entergrosscountstarget>30000,required>10000counts)

INSTRUMENTEFFICIENCY(i)

TOTALEFFICIENCY(T) 49 85 252 565 5%

0%

5%

10%

15%

20%

25%

30%

35%

40%

0.0 100.0 200.0 300.0 400.0 500.0 600.0

% Instrument Efficiency vs. Mean Beta Energy, keV Contact

+1cm

+2cm CalSource 49 85 252 565 2%

0%

2%

4%

6%

8%

10%

0 100 200 300 400 500 600

% Total Efficiency vs. Mean Beta Energy, keV CalSource Contact

+1cm

+2cm RevDate20130819 FRONT

Instrument Detector Make Ludlum Ludlum Model 2360 4337 UniqueID#

278586 PR216982 Validation(First,Last)

Cal.Due,YYYYMMDD tbBkgd.CountTime,min Bkgd.TotalCounts(beta) 584 1.2 Source Th230 H3 C14 Tc99 Cl36 SrY90 EmissionType

UniqueID#

AC2446 OR256 AC2447 AC2448 AC2449 AC2450 Cert.Date,YYYYMMDD 20130725 20061101 20130425 20130425 20130425 20130522 SourceActiveArea,cm2 150 100 150 150 150 150 RadioactiveHalflife,yrs 75,380 12.3 5,700 211,100 301,000 28.8 Cert.SurfaceEmissionRate(SER),

sec1 1,080 1,110 1,260 1,830 2,480 4,500 DecayCorrected(SER),sec1 1,080 618 1,259 1,830 2,480 4,102 MeanEmissionEnergy,keV 4,667 5.7 49 85 252 565 EndPointEmissionEnergy,keV 4,684 18.6 156 294 710 2,280 SSourceEfficiency 0.63 0.50 0.50 0.50 1.00 1.00 tsSourceCountTime,min 5

5 Contact 88,984 403,588

+1cm

+2cm Contact 0.275 0.325

+1cm

+2cm Contact 0.172 0.325

+1cm

+2cm Technician(First,Last)

A.Craig ISO7503EFFICIENCY()WORKSHEET(Rev.0)

ISO7503EFFICIENCY()WORKSHEET INSTRUMENT/TECHNICIANDETAILS EFFICIENCYPLOTS 2piefficiencydata N.Berliner 20180322 2PiTestDate,YYYYMMDD 20170327 1.0 745.8

DetectorActiveArea,cm2 TestSite UNC WindowArealDensity,mg/cm2 SOURCEDETAILS TESTDATA(entergrosscountstarget>30000,required>10000counts)

INSTRUMENTEFFICIENCY(i)

TOTALEFFICIENCY(T) 49 85 252 565 5%

0%

5%

10%

15%

20%

25%

30%

35%

0.0 100.0 200.0 300.0 400.0 500.0 600.0

% Instrument Efficiency vs. Mean Beta Energy, keV Contact

+1cm

+2cm CalSource 49 85 252 565 5%

0%

5%

10%

15%

20%

25%

30%

35%

0 100 200 300 400 500 600

% Total Efficiency vs. Mean Beta Energy, keV CalSource Contact

+1cm

+2cm

Instrument QA/QC Ludlum 2221/44-9 Source Ser. #

NA Nuclide Bkg Date Result (cpm)

P/F Date Result (cpm) 2/27/2017 30 Pass 2/27/2017 30 2/28/2017 40 Pass 2/27/2017 40 3/1/2017 40 Pass 2/27/2017 30 3/2/2017 30 Pass 2/27/2017 30 3/3/2017 40 Pass 2/27/2017 40 3/6/2017 30 Pass 2/27/2017 40 3/7/2017 30 Pass 2/27/2017 30 3/8/2017 30 Pass 2/27/2017 30 3/9/2017 30 Pass 2/27/2017 40 3/10/2017 40 Pass 2/27/2017 40 3/13/2017 30 Pass Average 3/15/2017 30 Pass 35 3/16/2017 40 Pass 3/17/2017 30 Pass 3/20/2017 30 Pass 3/21/2017 40 Pass 3/22/2017 40 Pass 3/23/2017 40 Pass 3/24/2017 40 Pass 3/27/2017 40 Pass 3/28/2017 40 Pass 3/29/2017 30 Pass 3/30/2017 30 Pass 3/31/2017 40 Pass 4/3/2017 30 Pass 4/4/2017 40 Pass 4/5/2017 40 Pass 4/6/2017 30 Pass 4/7/2017 30 Pass 4/10/2017 30 Pass 4/12/2017 35 Pass 4/13/2017 40 Pass 4/14/2017 35 Pass 4/17/2017 40 Pass 4/18/2017 40 Pass 4/19/2017 30 Pass 4/20/2017 30 Pass 4/21/2017 40 Pass 4/24/2017 40 Pass 4/25/2017 40 Pass 4/26/2017 30 Pass 4/27/2017 40 Pass 4/28/2017 30 Pass 5/1/2017 30 Pass 5/2/2017 30 Pass 5/3/2017 40 Pass 5/4/2017 40 Pass 5/5/2017 30 Pass 5/8/2017 40 Pass 5/9/2017 40 Pass 5/10/2017 40 Pass 5/11/2017 30 Pass 5/12/2017 30 Pass 5/15/2017 30 Pass 5/16/2017 30 Pass 5/17/2017 40 Pass 5/18/2017 40 Pass 5/19/2017 40 Pass 5/22/2017 30 Pass 5/23/2017 30 Pass 5/24/2017 30 Pass 5/25/2017 30 Pass 5/26/2017 40 Pass 5/30/2017 40 Pass 5/31/2017 40 Pass 6/1/2017 40 Pass 6/2/2017 40 Pass 6/5/2017 40 Pass 6/6/2017 35 Pass 6/7/2017 40 Pass 6/8/2017 40 Pass 6/9/2017 40 Pass PR251740/SN262322 PR251740/SN262322 QC Daily Source Initial Source Readings

0 5

10 15 20 25 30 35 40 45 2/14/17 3/6/17 3/26/17 4/15/17 5/5/17 5/25/17 6/14/17 7/4/17 cpm QC Date PR251740/SN262322, Daily QC Trend Graph Value

+20 %

Average

-20%

Instrument QA/QC Ludlum 2221/44-9 Source Ser. #

5634-05 Nuclide Tc-99 Date Result (cpm)

P/F Date Result (cpm) 2/27/2017 1,400 Pass 2/27/2017 1,400 2/28/2017 1,400 Pass 2/27/2017 1,300 3/1/2017 1,400 Pass 2/27/2017 1,400 3/2/2017 1,300 Pass 2/27/2017 1,500 3/3/2017 1,400 Pass 2/27/2017 1,400 3/6/2017 1,500 Pass 2/27/2017 1,400 3/7/2017 1,400 Pass 2/27/2017 1,500 3/8/2017 1,400 Pass 2/27/2017 1,300 3/9/2017 1,300 Pass 2/27/2017 1,400 3/10/2017 1,400 Pass 2/27/2017 1,300 3/13/2017 1,400 Pass Average 3/15/2017 1,400 Pass 1390 3/16/2017 1,400 Pass 3/17/2017 1,400 Pass 3/20/2017 1,400 Pass 3/21/2017 1,400 Pass 3/22/2017 1,400 Pass 3/23/2017 1,400 Pass 3/24/2017 1,500 Pass 3/27/2017 1,500 Pass 3/28/2017 1,400 Pass 3/29/2017 1,400 Pass 3/30/2017 1,500 Pass 3/31/2007 1,500 Pass 4/3/2017 1,400 Pass 4/4/2017 1,500 Pass 4/5/2017 1,500 Pass 4/6/2017 1,600 Pass 4/7/2017 1,500 Pass 4/10/2017 1,600 Pass 4/12/2017 1,600 Pass 4/13/2017 1,400 Pass 4/14/2017 1,500 Pass 4/17/2017 1,500 Pass 4/18/2017 1,500 Pass 4/19/2017 1,400 Pass 4/20/2017 1,400 Pass 4/21/2017 1,500 Pass 4/24/2017 1,500 Pass 4/25/2017 1,400 Pass 4/26/2017 1,500 Pass 4/27/2017 1,400 Pass 4/28/2017 1,400 Pass 5/1/2017 1,500 Pass 5/2/2017 1,500 Pass 5/3/2017 1,400 Pass 5/4/2017 1,400 Pass 5/5/2017 1,400 Pass 5/8/2017 1,600 Pass 5/9/2017 1,400 Pass 5/10/2017 1,400 Pass 5/11/2017 1,600 Pass 5/12/2017 1,600 Pass 5/15/2017 1,400 Pass 5/16/2017 1,600 Pass 5/17/2017 1,600 Pass 5/18/2017 1,400 Pass 5/19/2017 1,400 Pass 5/22/2017 1,400 Pass 5/23/2017 1,500 Pass 5/24/2017 1,500 Pass 5/25/2017 1,500 Pass 5/26/2017 1,500 Pass 5/30/2017 1,400 Pass 5/31/2017 1,400 Pass 6/1/2017 1,400 Pass 6/2/2017 1,500 Pass 6/5/2017 1,500 Pass 6/6/2017 1,400 Pass 6/7/2017 1,400 Pass 6/8/2017 1,400 Pass 6/9/2017 1,400 Pass Inst.#PR251740/SN262322 Inst.#PR251740/SN262322 QC Daily Source Initial Source Readings

0 200 400 600 800 1,000 1,200 1,400 1,600 1,800 5/28/05 10/10/06 2/22/08 7/6/09 11/18/10 4/1/12 8/14/13 12/27/14 5/10/16 9/22/17 2/4/19 cpm QC Date Inst.#PR251740/SN262322, Daily QC Trend Graph Value

+20 %

Average

-20%

Instrument QA/QC Ludlum 2221/44-9 Source Ser. #

NA Nuclide Bkg Date Result (cpm)

P/F Date Result (cpm) 2/27/2017 40 Pass 2/27/2017 40 2/28/2017 30 Pass 2/27/2017 30 3/1/2017 40 Pass 2/27/2017 30 3/2/2017 40 Pass 2/27/2017 40 3/3/2017 30 Pass 2/27/2017 30 3/6/2017 30 Pass 2/27/2017 40 3/7/2017 40 Pass 2/27/2017 40 3/8/2017 40 Pass 2/27/2017 40 3/9/2017 30 Pass 2/27/2017 30 3/10/2017 40 Pass 2/27/2017 40 3/13/2017 30 Pass Average 3/15/2017 30 Pass 36 3/16/2017 30 Pass 3/17/2017 40 Pass 3/20/2017 30 Pass 3/21/2017 40 Pass 3/22/2017 40 Pass 3/23/2017 40 Pass 3/27/2017 40 Pass 3/28/2017 40 Pass 3/29/2017 40 Pass 3/30/2017 40 Pass 3/31/2017 40 Pass 4/3/2017 40 Pass 4/4/2017 30 Pass 4/5/2017 40 Pass 4/6/2017 30 Pass 4/7/2017 40 Pass 4/10/2017 30 Pass 4/12/2017 35 Pass 4/13/2017 40 Pass 4/14/2017 35 Pass 4/17/2017 40 Pass 4/18/2017 40 Pass 4/19/2017 35 Pass 4/20/2017 35 Pass 4/21/2017 40 Pass 5/24/2017 40 Pass 4/25/2017 40 Pass 4/26/2017 30 Pass 4/27/2017 30 Pass 4/28/2017 30 Pass 5/1/2017 40 Pass 5/2/2017 40 Pass 5/3/2017 40 Pass 5/4/2017 30 Pass 5/5/2017 30 Pass 5/8/2017 40 Pass 5/9/2017 40 Pass 5/10/2017 30 Pass 5/11/2017 30 Pass 5/12/2017 30 Pass 5/15/2017 40 Pass 5/16/2017 40 Pass 5/17/2017 30 Pass 5/18/2017 30 Pass 5/19/2017 30 Pass 5/22/2017 40 Pass 5/23/2017 40 Pass 5/24/2017 40 Pass 5/25/2017 30 Pass 5/26/2017 30 Pass 5/30/2017 30 Pass 5/31/2017 30 Pass 6/1/2017 40 Pass 6/2/2017 40 Pass 6/5/2017 40 Pass 6/6/2017 40 Pass 6/7/2017 40 Pass 6/8/2017 40 Pass 6/9/2017 40 Pass PR147787/SN276863 PR147787/SN276863 QC Daily Source Initial Source Readings

0 5

10 15 20 25 30 35 40 45 50 2/14/17 3/6/17 3/26/17 4/15/17 5/5/17 5/25/17 6/14/17 7/4/17 cpm QC Date PR251740/SN262322, Daily QC Trend Graph Value

+20 %

Average

-20%

Instrument QA/QC Ludlum 2221/44-9 Source Ser. #

5634-05 Nuclide Tc-99 Date Result (cpm)

P/F Date Result (cpm) 2/27/2017 1,800 Pass 2/27/2017 1,700 2/28/2017 1,700 Pass 2/27/2017 1,800 3/1/2017 1,700 Pass 2/27/2017 1,800 3/2/2017 1,700 Pass 2/27/2017 1,700 3/3/2017 1,800 Pass 2/27/2017 1,700 3/6/2017 1,800 Pass 2/27/2017 1,600 3/7/2017 1,700 Pass 2/27/2017 1,700 3/8/2017 1,800 Pass 2/27/2017 1,800 3/9/2017 1,700 Pass 2/27/2017 1,700 3/10/2017 1,700 Pass 2/27/2017 1,800 3/13/2017 1,800 Pass Average 3/15/2017 1,800 Pass 1730 3/16/2017 1,700 Pass 3/17/2017 1,800 Pass 3/20/2017 1,800 Pass 3/21/2017 1,800 Pass 3/22/2017 1,800 Pass 3/23/2017 1,900 Pass 3/27/2017 1,800 Pass 3/28/2017 1,900 Pass 3/29/2017 1,900 Pass 3/30/2017 1,800 Pass 3/31/2017 1,900 Pass 4/3/2017 1,800 Pass 4/4/2017 1,900 Pass 4/5/2017 1,800 Pass 4/6/2017 1,800 Pass 4/7/2017 1,900 Pass 4/10/2017 1,900 Pass 4/12/2017 1,800 Pass 4/13/2017 1,700 Pass 4/14/2017 1,800 Pass 4/17/2017 1,700 Pass 4/18/2017 1,800 Pass 4/19/2017 1,800 Pass 4/20/2017 1,800 Pass 4/21/2017 1,700 Pass 4/24/2017 1,800 Pass 4/25/2017 1,700 Pass 4/26/2017 1,800 Pass 4/27/2017 1,700 Pass 4/28/2017 1,700 Pass 5/1/2017 1,600 Pass 5/2/2017 1,700 Pass 5/3/2017 1,700 Pass 5/4/2017 1,800 Pass 5/5/2017 1,800 Pass 5/8/2017 1,700 Pass 5/9/2017 1,700 Pass 5/10/2017 1,800 Pass 5/11/2017 1,800 Pass 5/12/2017 1,700 Pass 5/15/2017 1,700 Pass 5/16/2017 1,700 Pass 5/17/2017 1,800 Pass 5/18/2017 1,800 Pass 5/19/2017 1,800 Pass 5/22/2017 1,700 Pass 5/23/2017 1,700 Pass 5/24/2017 1,700 Pass 5/25/2017 1,800 Pass 5/26/2017 1,800 Pass 5/30/2017 1,800 Pass 5/31/2017 1,800 Pass 6/1/2017 1,700 Pass 6/2/2017 1,800 Pass 6/5/2017 1,800 Pass 6/6/2017 1,800 Pass 6/7/2017 1,700 Pass 6/8/2017 1,800 Pass 6/9/2017 1,800 Pass PR147787/SN276863 PR147787/SN276863 QC Daily Source Initial Source Readings

0 500 1,000 1,500 2,000 2,500 2/14/17 3/6/17 3/26/17 4/15/17 5/5/17 5/25/17 6/14/17 7/4/17 cpm QC Date Inst.#PR251740/SN262322, Daily QC Trend Graph Value

+20 %

Average

-20%

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Detector:

3/22/2017 Serial #:

OK 584 Efficiency (fraction)

Source Nuclide Source Number Original Source Activity (DPM)

Source Creation Date T1/2 (yr)

Source Decayed Activity Required MDA (DPM/100cm2)

Control Chart

& Daily Bkg Count Time Control Chart

& Daily Source-Sample Count Time Control Chart bkg Average cpm Control Chart bkg 1 sigma, cpm Control Chart Source-bkg Average cpm Control Chart source 1 sigma, cpm Alpha 0.0660 Th-230 5648-06 15,900 9/24/2012 7.54E+04 15,899 100 1

1 2.80 1.40 2343.8 48.71 Beta 0.0890 Tc-99 5634-05 9,860 2/25/2013 2.11E+05 9,860 1000 1

1 563.90 17.18 2037.2 48.06 Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta 8/22/2017 3

552 2439 2640 3.0 552.0 2436.0 2088.0 PASS PASS PASS PASS 28.69 216 Yes Yes M. Plonski MSP 8/23/2017 3

547 2443 2617 3.0 547.0 2440.0 2070.0 PASS PASS PASS PASS 28.69 215 Yes Yes M. Plonski MSP 8/24/2017 3

537 2368 2544 3.0 537.0 2365.0 2007.0 PASS PASS PASS PASS 28.69 213 Yes Yes M. Plonski MSP 8/26/2017 3

562 2417 2538 3.0 562.0 2414.0 1976.0 PASS PASS PASS PASS 28.69 218 Yes Yes 8/28/2017 1

575 2,302 2,610 1.0 575.0 2301.0 2035.0 PASS PASS PASS PASS 19.85 220 Yes Yes Reviewed By MDA OK?

Date Daily Bkg Counts Bkg QC Pass/Fail Daily Check Source Counts Net Daily Source Rate (cpm)

Daily Bkg Rate (cpm)

MDA (dpm)

Source QC Pass/Fail MDA OK?

H.P.

Technician MDA (dpm) 43-37 PR216982 Calibration Date:

Counting Instrument:

Serial #:

2360 278586 12 month calibration:

Detector Active Area or Area Covered by Smear (cm2):

Page 1 of 1

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Alpha cpm Beta cpm Alpha cpm Beta cpm 1

4 4

576 576 2263 2263 2660 2660 2

3 3

578 578 2375 2375 2551 2551 3

2 2

583 583 2317 2317 2599 2599 4

2 2

570 570 2375 2375 2591 2591 5

2 2

551 551 2390 2390 2632 2632 6

1 1

562 562 2356 2356 2669 2669 7

3 3

527 527 2398 2398 2544 2544 8

6 6

561 561 2292 2292 2582 2582 9

3 3

579 579 2393 2393 2660 2660 10 2

2 552 552 2307 2307 2523 2523 Mean 2.80 563.9 2346.6 2601.1 S(n-1) 1.40 17.18 48.07 52.54

-3 sigma

-1.40 512.35 2202.40 2443.48

+3 sigma 7.00 615.45 2490.80 2758.72

-2 sigma 0.00 529.54 2250.46 2496.02

+2 sigma 5.60 598.26 2442.74 2706.18 Mean-bkg 2343.8 2037.2 S(n-1) 48.71 48.06 Mean-bkg -3 sigma 2197.68 1893.03 Mean-bkg +3 sigma 2489.92 2181.37 Mean-bkg -2 sigma 2246.39 1941.09 Mean-bkg +2 sigma 2441.21 2133.31 Initial bkg counts Initial Background and Source Counts for Control Chart Initial source plus bkg counts Page 1 of 1

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Detector:

12/6/2016 Serial #:

OK 100 Efficiency (fraction)

Source Nuclide Source Number Original Source Activity (DPM)

Source Creation Date T1/2 (yr)

Source Decayed Activity Required MDA (DPM/100cm2)

Control Chart

& Daily Bkg Count Time Control Chart

& Daily Source-Sample Count Time Control Chart bkg Average cpm Control Chart bkg 1 sigma, cpm Control Chart Source-bkg Average cpm Control Chart source 1 sigma, cpm Alpha 0.3678 Th-230 5648-06 15,900 9/24/2012 7.54E+04 15,899 1,000 1

1 0.30 0.48 6448.5 120.90 Beta 0.2011 Tc-99 5634-05 9,860 2/25/2013 2.11E+05 9,860 1,000 1

1 37.40 5.38 2065.4 66.10 Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta 2/22/2017 0

33 6,560 2,072 0.0 33.0 6560.0 2039.0 PASS PASS PASS PASS 8.16 148 Yes Yes A. Craig A. Craig 2/23/2017 0

38 6,424 2,052 0.0 38.0 6424.0 2014.0 PASS PASS PASS PASS 8.16 158 Yes Yes N. Berliner N. Berliner 2/24/2017 0

33 6,316 2,066 0.0 33.0 6316.0 2033.0 PASS PASS PASS PASS 8.16 148 Yes Yes A. Jacobs AJ 2/27/2017 1

41 6,313 2,105 1.0 41.0 6312.0 2064.0 PASS PASS PASS PASS 20.81 163 Yes Yes N. Berliner N. Berliner 2/28/2017 0

38 6,436 2,081 0.0 38.0 6436.0 2043.0 PASS PASS PASS PASS 8.16 158 Yes Yes N. Berliner N. Berliner 3/2/2017 0

39 6,361 2,116 0.0 39.0 6361.0 2077.0 PASS PASS PASS PASS 8.16 159 Yes Yes A. Craig A. Craig 3/6/2017 0

33 6,306 2,017 0.0 33.0 6306.0 1984.0 PASS PASS PASS PASS 8.16 148 Yes Yes A. Craig A. Craig 3/7/2017 No Use 3/8/2017 No Use 3/9/2017 0

39 6,207 2,038 0.0 39.0 6207.0 1999.0 PASS PASS PASS PASS 8.16 159 Yes Yes S. Owe S. Owe 3/10/2017 0

39 6,231 2,094 0.0 39.0 6231.0 2055.0 PASS PASS PASS PASS 8.16 159 Yes Yes S. Owe S. Owe 3/13/2017 0

37 6,339 2,145 0.0 37.0 6339.0 2108.0 PASS PASS PASS PASS 8.16 156 Yes Yes S. Owe S. Owe 3/14/2017 Offsite 3/15/2017 0

30 6,461 1,993 0.0 30.0 6461.0 1963.0 PASS PASS PASS PASS 8.16 142 Yes Yes S. Owe S. Owe 3/16/2017 1

39 6,204 2,033 1.0 39.0 6203.0 1994.0 PASS PASS QUESTION PASS 20.81 159 Yes Yes S. Owe S. Owe 3/17/2017 0

48 6,289 2,115 0.0 48.0 6289.0 2067.0 PASS PASS PASS PASS 8.16 175 Yes Yes S. Owe S. Owe 3/20/2017 1

34 6,434 2,036 1.0 34.0 6433.0 2002.0 PASS PASS PASS PASS 20.81 150 Yes Yes S. Owe S. Owe 3/21/2017 0

37 6,384 2,061 0.0 37.0 6384.0 2024.0 PASS PASS PASS PASS 8.16 156 Yes Yes S. Owe S. Owe 3/22/2017 0

38 6,305 2,018 0.0 38.0 6305.0 1980.0 PASS PASS PASS PASS 8.16 158 Yes Yes S. Owe S. Owe 3/23/2017 1

37 6,284 2,090 1.0 37.0 6283.0 2053.0 PASS PASS PASS PASS 20.81 156 Yes Yes S. Owe S. Owe 3/24/2017 0

44 6,211 1,992 0.0 44.0 6211.0 1948.0 PASS PASS PASS PASS 8.16 168 Yes Yes S. Owe S. Owe 3/27/2017 0

35 6,244 2,056 0.0 35.0 6244.0 2021.0 PASS PASS PASS PASS 8.16 152 Yes Yes Mplonski MP 3/28/2017 0

46 6,224 2,013 0.0 46.0 6224.0 1967.0 PASS PASS PASS PASS 8.16 172 Yes Yes Ajacobs AJ 3/29/2017 1

46 6,268 2,048 1.0 46.0 6267.0 2002.0 PASS PASS PASS PASS 20.81 172 Yes Yes Ajacobs AJ 3/30/2017 0

30 6,276 2,094 0.0 30.0 6276.0 2064.0 PASS PASS PASS PASS 8.16 142 Yes Yes Ajacobs AJ 3/31/2017 0

44 6,321 2,100 0.0 44.0 6321.0 2056.0 PASS PASS PASS PASS 8.16 168 Yes Yes Ajacobs AJ 4/3/2017 0

35 6,312 2,034 0.0 35.0 6312.0 1999.0 PASS PASS PASS PASS 8.16 152 Yes Yes Mplonski MP 4/4/2017 1

35 6,211 1,983 1.0 35.0 6210.0 1948.0 PASS PASS PASS PASS 20.81 152 Yes Yes Mplonski MP 4/5/2017 0

34 6,332 1,996 0.0 34.0 6332.0 1962.0 PASS PASS PASS PASS 8.16 150 Yes Yes Mplonski MP 4/6/2017 0

35 6,371 1,995 0.0 35.0 6371.0 1960.0 PASS PASS PASS PASS 8.16 152 Yes Yes Mplonski MP 4/7/2017 1

38 6,400 2,102 1.0 38.0 6399.0 2064.0 PASS PASS PASS PASS 20.81 158 Yes Yes Mplonski MP 4/10/2017 1

31 6,309 2,199 1.0 31.0 6308.0 2168.0 PASS PASS PASS PASS 20.81 144 Yes Yes Mplonski MP 4/12/2017 1

38 6,401 1,973 1.0 38.0 6400.0 1935.0 PASS PASS PASS PASS 20.81 158 Yes Yes J.Cote JAC 4/13/2017 1

46 6,286 1,996 1.0 46.0 6285.0 1950.0 PASS PASS PASS PASS 20.81 172 Yes Yes J.Cote JAC 4/14/2017 1

33 6,221 2,015 1.0 33.0 6220.0 1982.0 PASS PASS PASS PASS 20.81 148 Yes Yes J.Cote JAC 4/17/2017 0

38 6,358 2,010 0.0 38.0 6358.0 1972.0 PASS PASS PASS PASS 8.16 158 Yes Yes J.Cote JAC 4/18/2017 0

44 6,232 2,009 0.0 44.0 6232.0 1965.0 PASS PASS PASS PASS 8.16 168 Yes Yes J.Cote JAC 4/19/2017 0

31 6,291 2,042 0.0 31.0 6291.0 2011.0 PASS PASS PASS PASS 8.16 144 Yes Yes J.Cote JAC Daily Bkg Rate (cpm)

Daily Bkg Counts MDA (dpm)

Source QC Pass/Fail Net Daily Source Rate (cpm)

MDA OK?

H.P.

Technician MDA (dpm)

Bkg QC Pass/Fail Detector Active Area or Area Covered by Smear (cm2):

MDA OK?

Daily Check Source Counts Date Technician Initials Ludlum 43-10-1 PR215948 Calibration Date:

Counting Instrument:

Serial #:

Ludlum 2929 200051 12 month calibration:

Page 1 of 3

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Efficiency (fraction)

Source Nuclide Source Number Original Source Activity (DPM)

Source Creation Date T1/2 (yr)

Source Decayed Activity Required MDA (DPM/100cm2)

Control Chart

& Daily Bkg Count Time Control Chart

& Daily Source-Sample Count Time Control Chart bkg Average cpm Control Chart bkg 1 sigma, cpm Control Chart Source-bkg Average cpm Control Chart source 1 sigma, cpm Alpha 0.3678 Th-230 5648-06 15,900 9/24/2012 7.54E+04 15,899 1,000 1

1 0.30 0.48 6448.5 120.90 Beta 0.2011 Tc-99 5634-05 9,860 2/25/2013 2.11E+05 9,860 1,000 1

1 37.40 5.38 2065.4 66.10 Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta Daily Bkg Rate (cpm)

Daily Bkg Counts MDA (dpm)

Source QC Pass/Fail Net Daily Source Rate (cpm)

MDA OK?

H.P.

Technician MDA (dpm)

Bkg QC Pass/Fail MDA OK?

Daily Check Source Counts Date Technician Initials 4/20/2017 0

36 6,402 2,008 0.0 36.0 6402.0 1972.0 PASS PASS PASS PASS 8.16 154 Yes Yes J.Cote JAC 4/21/2017 0

33 6,292 2,038 0.0 33.0 6292.0 2005.0 PASS PASS PASS PASS 8.16 148 Yes Yes J.Cote JAC 4/24/2017 1

36 6,267 2,073 1.0 36.0 6266.0 2037.0 PASS PASS PASS PASS 20.81 154 Yes Yes J.Cote JAC 4/25/2017 0

36 6,435 2,039 0.0 36.0 6435.0 2003.0 PASS PASS PASS PASS 8.16 154 Yes Yes J.Cote JAC 4/26/2017 1

45 6,367 2,048 1.0 45.0 6366.0 2003.0 PASS PASS PASS PASS 20.81 170 Yes Yes J.Cote JAC 4/27/2017 0

38 6,212 2,081 0.0 38.0 6212.0 2043.0 PASS PASS PASS PASS 8.16 158 Yes Yes J.Cote JAC 4/28/2017 0

32 6,366 2,105 0.0 32.0 6366.0 2073.0 PASS PASS PASS PASS 8.16 146 Yes Yes J.Cote JAC 5/1/2017 1

45 6,227 2,049 1.0 45.0 6226.0 2004.0 PASS PASS PASS PASS 20.81 170 Yes Yes J.Cote JAC 5/2/2017 0

33 6,444 2,056 0.0 33.0 6444.0 2023.0 PASS PASS PASS PASS 8.16 148 Yes Yes J.Cote JAC 5/3/2017 0

44 6,264 2,027 0.0 44.0 6264.0 1983.0 PASS PASS PASS PASS 8.16 168 Yes Yes J.Cote JAC 5/4/2017 0

42 6,373 2,042 0.0 42.0 6373.0 2000.0 PASS PASS PASS PASS 8.16 165 Yes Yes J.Cote JAC 5/5/2017 0

41 6,296 2,054 0.0 41.0 6296.0 2013.0 PASS PASS PASS PASS 8.16 163 Yes Yes J.Cote JAC 5/8/2017 0

32 6,327 2,109 0.0 32.0 6327.0 2077.0 PASS PASS PASS PASS 8.16 146 Yes Yes Mplonski MP 5/9/2017 1

39 6,367 1,984 1.0 39.0 6366.0 1945.0 PASS PASS PASS PASS 20.81 159 Yes Yes J.Cote JAC 5/10/2017 0

43 6,305 2,015 0.0 43.0 6305.0 1972.0 PASS PASS PASS PASS 8.16 167 Yes Yes J.Cote JAC 5/11/2017 0

35 6,260 2,043 0.0 35.0 6260.0 2008.0 PASS PASS PASS PASS 8.16 152 Yes Yes J.Cote JAC 5/12/2017 0

42 6,364 2,035 0.0 42.0 6364.0 1993.0 PASS PASS PASS PASS 8.16 165 Yes Yes J.Cote JAC 5/15/2017 1

41 6,296 2,082 1.0 41.0 6295.0 2041.0 PASS PASS PASS PASS 20.81 163 Yes Yes J.Cote JAC 5/16/2017 0

34 6,431 2,007 0.0 34.0 6431.0 1973.0 PASS PASS PASS PASS 8.16 150 Yes Yes J.Cote JAC 5/17/2017 0

37 6,207 2,114 0.0 37.0 6207.0 2077.0 PASS PASS PASS PASS 8.16 156 Yes Yes J.Cote JAC 5/18/2017 0

27 6,214 2,010 0.0 27.0 6214.0 1983.0 PASS PASS PASS PASS 8.16 135 Yes Yes J.Cote JAC 5/19/2017 0

35 6,262 2,058 0.0 35.0 6262.0 2023.0 PASS PASS PASS PASS 8.16 152 Yes Yes J.Cote JAC 5/22/2017 0

32 6,213 2,022 0.0 32.0 6213.0 1990.0 PASS PASS PASS PASS 8.16 146 Yes Yes J.Cote JAC 5/23/2017 0

36 6,259 2,017 0.0 36.0 6259.0 1981.0 PASS PASS PASS PASS 8.16 154 Yes Yes J.Cote JAC 5/24/2017 0

44 6,244 2,012 0.0 44.0 6244.0 1968.0 PASS PASS PASS PASS 8.16 168 Yes Yes J.Cote JAC 5/25/2017 0

39 6,243 2,048 0.0 39.0 6243.0 2009.0 PASS PASS PASS PASS 8.16 159 Yes Yes J.Cote JAC 5/26/2017 0

31 6,305 2,039 0.0 31.0 6305.0 2008.0 PASS PASS PASS PASS 8.16 144 Yes Yes J.Cote JAC 5/30/2017 0

32 6,256 2,023 0.0 32.0 6256.0 1991.0 PASS PASS PASS PASS 8.16 146 Yes Yes J.Cote JAC 5/31/2017 0

43 6,379 2,048 0.0 43.0 6379.0 2005.0 PASS PASS PASS PASS 8.16 167 Yes Yes J.Cote JAC 6/1/2017 1

36 6,342 2,041 1.0 36.0 6341.0 2005.0 PASS PASS PASS PASS 20.81 154 Yes Yes J.Cote JAC 6/2/2017 0

30 6,228 2,021 0.0 30.0 6228.0 1991.0 PASS PASS PASS PASS 8.16 142 Yes Yes J.Cote JAC 6/5/2017 1

36 6,384 1,989 1.0 36.0 6383.0 1953.0 PASS PASS PASS PASS 20.81 154 Yes Yes J.Cote JAC 6/6/2017 0

36 6,387 2,020 0.0 36.0 6387.0 1984.0 PASS PASS PASS PASS 8.16 154 Yes Yes J.Cote JAC 6/7/2017 0

45 6,250 1,980 0.0 45.0 6250.0 1935.0 PASS PASS PASS PASS 8.16 170 Yes Yes J.Cote JAC 6/8/2017 0

34 6,353 1,994 0.0 34.0 6353.0 1960.0 PASS PASS PASS PASS 8.16 150 Yes Yes J.Cote JAC 6/9/2017 0

35 6,325 2,081 0.0 35.0 6325.0 2046.0 PASS PASS PASS PASS 8.16 152 Yes Yes J.Cote JAC 6/21/2017 1

35 6,289 1,991 1.0 35.0 6288.0 1956.0 PASS PASS PASS PASS 20.81 152 Yes Yes Mplonski MP 7/24/2017 0

41 6,310 2,011 0.0 41.0 6310.0 1970.0 PASS PASS PASS PASS 8.16 163 Yes Yes Mplonski MP 8/14/2017 0

36 6,362 2,035 0.0 36.0 6362.0 1999.0 PASS PASS PASS PASS 8.16 154 Yes Yes Mplonski MP 8/15/2017 0

29 6,409 2,119 0.0 29.0 6409.0 2090.0 PASS PASS PASS PASS 8.16 139 Yes Yes Mplonski MP 8/16/2017 0

45 6,255 2,010 0.0 45.0 6255.0 1965.0 PASS PASS PASS PASS 8.16 170 Yes Yes Mplonski MP 8/17/2017 0

38 6,428 2,009 0.0 38.0 6428.0 1971.0 PASS PASS PASS PASS 8.16 158 Yes Yes Mplonski MP 8/18/2017 1

33 6,398 2,062 1.0 33.0 6397.0 2029.0 PASS PASS PASS PASS 20.81 148 Yes Yes Mplonski MP Page 2 of 3

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Efficiency (fraction)

Source Nuclide Source Number Original Source Activity (DPM)

Source Creation Date T1/2 (yr)

Source Decayed Activity Required MDA (DPM/100cm2)

Control Chart

& Daily Bkg Count Time Control Chart

& Daily Source-Sample Count Time Control Chart bkg Average cpm Control Chart bkg 1 sigma, cpm Control Chart Source-bkg Average cpm Control Chart source 1 sigma, cpm Alpha 0.3678 Th-230 5648-06 15,900 9/24/2012 7.54E+04 15,899 1,000 1

1 0.30 0.48 6448.5 120.90 Beta 0.2011 Tc-99 5634-05 9,860 2/25/2013 2.11E+05 9,860 1,000 1

1 37.40 5.38 2065.4 66.10 Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta Daily Bkg Rate (cpm)

Daily Bkg Counts MDA (dpm)

Source QC Pass/Fail Net Daily Source Rate (cpm)

MDA OK?

H.P.

Technician MDA (dpm)

Bkg QC Pass/Fail MDA OK?

Daily Check Source Counts Date Technician Initials 8/21/2017 0

38 6,428 2,009 0.0 38.0 6428.0 1971.0 PASS PASS PASS PASS 8.16 158 Yes Yes Mplonski MP 8/22/2017 0

37 6,441 2,107 0.0 37.0 6441.0 2070.0 PASS PASS PASS PASS 8.16 156 Yes Yes Mplonski MP 8/23/2017 0

30 6,213 2,073 0.0 30.0 6213.0 2043.0 PASS PASS PASS PASS 8.16 142 Yes Yes Mplonski MP 8/24/2017 0

34 6,284 2,048 0.0 34.0 6284.0 2014.0 PASS PASS PASS PASS 8.16 150 Yes Yes Mplonski MP 8/28/2017 1

35 6,300 2,012 1.0 35.0 6299.0 1977.0 PASS PASS PASS PASS 20.81 152 Yes Yes Mplonski MP Page 3 of 3

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Alpha cpm Beta cpm Alpha cpm Beta cpm 1

0 0

37 37 6,261 6,261 1,992 1,992 2

1 1

37 37 6,480 6,480 2,091 2,091 3

1 1

30 30 6,496 6,496 2,255 2,255 4

0 0

29 29 6,346 6,346 2,112 2,112 5

0 0

39 39 6,496 6,496 2,094 2,094 6

0 0

35 35 6,424 6,424 2,085 2,085 7

0 0

47 47 6,323 6,323 2,108 2,108 8

1 1

38 38 6,557 6,557 2,113 2,113 9

0 0

39 39 6,428 6,428 2,096 2,096 10 0

0 43 43 6,677 6,677 2,082 2,082 Mean 0.30 37.4 6448.8 2102.8 S(n-1) 0.48 5.38 121.07 63.83

-3 sigma

-1.15 21.26 6085.59 1911.31

+3 sigma 1.75 53.54 6812.01 2294.29

-2 sigma

-0.67 26.64 6206.66 1975.14

+2 sigma 1.27 48.16 6690.94 2230.46 Mean-bkg 6448.5 2065.4 S(n-1) 120.90 66.10 Mean-bkg -3 sigma 6085.80 1867.10 Mean-bkg +3 sigma 6811.20 2263.70 Mean-bkg -2 sigma 6206.70 1933.20 Mean-bkg +2 sigma 6690.30 2197.60 Initial bkg counts Initial Background and Source Counts for Control Chart Initial source plus bkg counts Page 1 of 1

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Detector:

11/4/2016 Serial #:

OK 584 Efficiency (fraction)

Source Nuclide Source Number Original Source Activity (DPM)

Source Creation Date T1/2 (yr)

Source Decayed Activity Required MDA (DPM/100cm2)

Control Chart

& Daily Bkg Count Time Control Chart

& Daily Source-Sample Count Time Control Chart bkg Average cpm Control Chart bkg 1 sigma, cpm Control Chart Source-bkg Average cpm Control Chart source 1 sigma, cpm Alpha 0.0660 Th-230 5648-06 15,900 9/24/2012 7.54E+04 15,899 100 1

1 2.70 1.49 2607.8 220.16 Beta 0.0890 Tc-99 5634-05 9,860 2/25/2013 2.11E+05 9,860 1000 1

1 642.60 24.47 1922.6 183.91 Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta 3/8/2017 4

624 2856 2690 4.0 624.0 2852.0 2066.0 PASS PASS PASS PASS 31.93 229 Yes Yes A. Craig N. Berliner 3/22/2017 4

635 2964 2247 4.0 635.0 2960.0 1612.0 PASS PASS PASS PASS 31.93 231 Yes Yes SO HV 1750 S Owe 3/23/2017 3

644 2933 2451 3.0 644.0 2930.0 1807.0 PASS PASS PASS PASS 28.69 233 Yes Yes S Owe S Owe 3/24/2017 3

614 2784 2563 3.0 614.0 2781.0 1949.0 PASS PASS PASS PASS 28.69 228 Yes Yes S Owe S Owe 3/29/2017 2

635 2,856 2,890 2.0 635.0 2854.0 2255.0 PASS PASS PASS PASS 24.85 231 Yes Yes Ajacobs 3/30/2017 0

657 2,635 2,727 0.0 657.0 2635.0 2070.0 PASS PASS PASS PASS 7.78 235 Yes Yes Ajacobs 4/13/2017 4

613 2,703 2,652 4.0 613.0 2699.0 2039.0 PASS PASS PASS PASS 31.93 227 Yes Yes J.Cote 4/17/2017 3

650 2,913 2,909 3.0 650.0 2910.0 2259.0 PASS PASS PASS PASS 28.69 234 Yes Yes J.Cote 4/18/2017 2

617 2,807 2,678 2.0 617.0 2805.0 2061.0 PASS PASS PASS PASS 24.85 228 Yes Yes J.Cote 4/19/2017 2

594 2,784 2,653 2.0 594.0 2782.0 2059.0 PASS PASS PASS PASS 24.85 224 Yes Yes J.Cote 4/24/2017 5

618 2,675 2,709 5.0 618.0 2670.0 2091.0 PASS PASS PASS PASS 34.78 228 Yes Yes J.Cote 4/27/2017 3

672 2,739 2,769 3.0 672.0 2736.0 2097.0 PASS PASS PASS PASS 28.69 238 Yes Yes J.Cote 5/1/2017 2

665 2,719 2,656 2.0 665.0 2717.0 1991.0 PASS PASS PASS PASS 24.85 237 Yes Yes J.Cote 5/2/2017 1

657 2,914 2,773 1.0 657.0 2913.0 2116.0 PASS PASS PASS PASS 19.85 235 Yes Yes J.Cote 5/3/2017 2

652 2,738 2,717 2.0 652.0 2736.0 2065.0 PASS PASS PASS PASS 24.85 234 Yes Yes J.Cote 5/4/2017 3

623 2,697 2,641 3.0 623.0 2694.0 2018.0 PASS PASS PASS PASS 28.69 229 Yes Yes J.Cote 5/10/2017 1

644 2,894 2,713 1.0 644.0 2893.0 2069.0 PASS PASS PASS PASS 19.85 233 Yes Yes J.Cote 5/16/2017 3

680 2,832 2,753 3.0 680.0 2829.0 2073.0 PASS PASS PASS PASS 28.69 239 Yes Yes J.Cote 5/17/2017 4

628 2,817 2,683 4.0 628.0 2813.0 2055.0 PASS PASS PASS PASS 31.93 230 Yes Yes J.Cote 5/18/2017 1

654 2,884 2,714 1.0 654.0 2883.0 2060.0 PASS PASS PASS PASS 19.85 235 Yes Yes J.Cote 5/19/2017 2

656 2,787 2,740 2.0 656.0 2785.0 2084.0 PASS PASS PASS PASS 24.85 235 Yes Yes J.Cote 6/8/2017 3

635 2,762 2,731 3.0 635.0 2759.0 2096.0 PASS PASS PASS PASS 28.69 231 Yes Yes J.Cote 6/9/2017 4

629 2,760 2,868 4.0 629.0 2756.0 2239.0 PASS PASS PASS PASS 31.93 230 Yes Yes J.Cote 6/16/2017 1

679 2,746 2,876 1.0 679.0 2745.0 2197.0 PASS PASS PASS PASS 19.85 239 Yes Yes M. Plonski MSP 6/19/2017 2

639 2,892 2,781 2.0 639.0 2890.0 2142.0 PASS PASS PASS PASS 24.85 232 Yes Yes M. Plonski MSP 6/20/2017 2

652 2,843 2,765 2.0 652.0 2841.0 2113.0 PASS PASS PASS PASS 24.85 234 Yes Yes M. Plonski MSP 6/21/2017 1

628 2,871 2,891 1.0 628.0 2870.0 2263.0 PASS PASS PASS PASS 19.85 230 Yes Yes M. Plonski MSP 6/22/2017 3

641 2,798 2,699 3.0 641.0 2795.0 2058.0 PASS PASS PASS PASS 28.69 232 Yes Yes M. Plonski MSP 6/23/2017 5

635 2,716 2,745 5.0 635.0 2711.0 2110.0 PASS PASS PASS PASS 34.78 231 Yes Yes M. Plonski MSP 6/26/2017 3

662 2,745 2,781 3.0 662.0 2742.0 2119.0 PASS PASS PASS PASS 28.69 236 Yes Yes M. Plonski MSP 6/27/2017 4

639 2,804 2,756 4.0 639.0 2800.0 2117.0 PASS PASS PASS PASS 31.93 232 Yes Yes M. Plonski MSP 6/28/2017 2

631 2,877 2,772 2.0 631.0 2875.0 2141.0 PASS PASS PASS PASS 24.85 231 Yes Yes M. Plonski MSP 6/29/2017 2

630 2,854 2,739 2.0 630.0 2852.0 2109.0 PASS PASS PASS PASS 24.85 230 Yes Yes M. Plonski MSP 6/30/2017 2

621 2,803 2,728 2.0 621.0 2801.0 2107.0 PASS PASS PASS PASS 24.85 229 Yes Yes M. Plonski MSP 7/11/2017 3

626 2,718 2,736 3.0 626.0 2715.0 2110.0 PASS PASS PASS PASS 28.69 230 Yes Yes M. Plonski MSP 7/12/2017 2

615 2,812 2,790 2.0 615.0 2810.0 2175.0 PASS PASS PASS PASS 24.85 228 Yes Yes M. Plonski MSP 7/13/2017 2

609 2,851 2,745 2.0 609.0 2849.0 2136.0 PASS PASS PASS PASS 24.85 227 Yes Yes M. Plonski MSP 7/17/2017 2

598 2,769 2,757 2.0 598.0 2767.0 2159.0 PASS PASS PASS PASS 24.85 225 Yes Yes M. Plonski MSP 7/18/2017 2

608 2,520 2,679 2.0 608.0 2518.0 2071.0 PASS PASS PASS PASS 24.85 227 Yes Yes M. Plonski MSP 7/19/2017 1

632 2,758 2,797 1.0 632.0 2757.0 2165.0 PASS PASS PASS PASS 19.85 231 Yes Yes M. Plonski MSP 7/20/2017 3

620 2,469 2,804 3.0 620.0 2466.0 2184.0 PASS PASS PASS PASS 28.69 229 Yes Yes M. Plonski MSP 7/21/2017 1

625 2,934 2,714 1.0 625.0 2933.0 2089.0 PASS PASS PASS PASS 19.85 230 Yes Yes M. Plonski MSP 7/25/2017 1

595 2,504 2,603 1.0 595.0 2503.0 2008.0 PASS PASS PASS PASS 19.85 224 Yes Yes M. Plonski MSP 8/15/2017 2

615 2,973 2,772 2.0 615.0 2971.0 2157.0 PASS PASS PASS PASS 24.85 228 Yes Yes M. Plonski MSP 8/16/2017 1

607 2,879 2,691 1.0 607.0 2878.0 2084.0 PASS PASS PASS PASS 19.85 226 Yes Yes M. Plonski MSP 8/17/2017 2

598 2,943 2,781 2.0 598.0 2941.0 2183.0 PASS PASS PASS PASS 24.85 225 Yes Yes M. Plonski MSP 8/21/2017 0

617 2,763 2,789 0.0 617.0 2763.0 2172.0 PASS PASS PASS PASS 7.78 228 Yes Yes M. Plonski MSP 8/22/2017 2

675 2,853 2,658 2.0 675.0 2851.0 1983.0 PASS PASS PASS PASS 24.85 238 Yes Yes M. Plonski MSP 8/23/2017 1

624 2,819 2,749 1.0 624.0 2818.0 2125.0 PASS PASS PASS PASS 19.85 229 Yes Yes M. Plonski MSP 8/25/2017 1

602 2,720 2,614 1.0 602.0 2719.0 2012.0 PASS PASS PASS PASS 19.85 225 Yes Yes M. Plonski MSP Reviewed By MDA OK?

Date Daily Bkg Counts Bkg QC Pass/Fail Daily Check Source Counts Net Daily Source Rate (cpm)

Daily Bkg Rate (cpm)

MDA (dpm)

Source QC Pass/Fail MDA OK?

H.P.

Technician MDA (dpm) 43-37 PR178371 Calibration Date:

Counting Instrument:

Serial #:

2360 202403 12 month calibration:

Detector Active Area or Area Covered by Smear (cm2):

Page 1 of 1

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Alpha cpm Beta cpm Alpha cpm Beta cpm 1

5 5

645 645 2762 2762 2612 2612 2

4 4

653 653 2834 2834 2594 2594 3

2 2

661 661 2482 2482 2751 2751 4

1 1

631 631 2592 2592 2783 2783 5

5 5

642 642 2745 2745 2644 2644 6

1 1

692 692 2715 2715 2446 2446 7

3 3

605 605 2748 2748 2248 2248 8

2 2

640 640 2107 2107 2708 2708 9

2 2

645 645 2414 2414 2622 2622 10 2

2 612 612 2706 2706 2244 2244 Mean 2.70 642.6 2610.5 2565.2 S(n-1) 1.49 24.47 220.84 192.30

-3 sigma

-1.78 569.18 1947.99 1988.31

+3 sigma 7.18 716.02 3273.01 3142.09

-2 sigma

-0.29 593.65 2168.83 2180.61

+2 sigma 5.69 691.55 3052.17 2949.79 Mean-bkg 2607.8 1922.6 S(n-1) 220.16 183.91 Mean-bkg -3 sigma 1947.32 1370.86 Mean-bkg +3 sigma 3268.28 2474.34 Mean-bkg -2 sigma 2167.48 1554.78 Mean-bkg +2 sigma 3048.12 2290.42 Initial bkg counts Initial Background and Source Counts for Control Chart Initial source plus bkg counts Page 1 of 1

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Detector:

2/7/2017 Serial #:

OK 100 Efficiency (fraction)

Source Nuclide Source Number Original Source Activity (DPM)

Source Creation Date T1/2 (yr)

Source Decayed Activity Required MDA (DPM/100cm2)

Control Chart

& Daily Bkg Count Time Control Chart

& Daily Source-Sample Count Time Control Chart bkg Average cpm Control Chart bkg 1 sigma, cpm Control Chart Source-bkg Average cpm Control Chart source 1 sigma, cpm Alpha 0.1095 Th-230 5648-06 15,900 9/24/2012 7.54E+04 15,899 5,000 1

1 1.00 1.56 3928.9 200.11 Beta 0.0673 Tc-99 5634-05 9,860 2/25/2013 2.11E+05 9,860 5,000 1

1 124.30 10.06 1445.8 139.76 Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta 2/21/2017 2

139 4,315 1,625 2.0 139.0 4313.0 1486.0 PASS PASS PASS PASS 87.46 860 Yes Yes N. Berliner N. Berliner 2/22/2017 2

140 3,977 1,647 2.0 140.0 3975.0 1507.0 PASS PASS PASS PASS 87.46 863 Yes Yes A. Craig A. Craig 2/23/2017 1

127 4,040 1,549 1.0 127.0 4039.0 1422.0 PASS PASS PASS PASS 69.87 824 Yes Yes A. Craig A. Craig 2/24/2017 2

118 4,216 1,608 2.0 118.0 4214.0 1490.0 PASS PASS PASS PASS 87.46 796 Yes Yes A. Jacobs AJ 2/27/2017 0

123 4,068 1,555 0.0 123.0 4068.0 1432.0 PASS PASS PASS PASS 27.39 812 Yes Yes N. Berliner N. Berliner 2/28/2017 1

108 3,906 1,539 1.0 108.0 3905.0 1431.0 PASS PASS PASS PASS 69.87 763 Yes Yes N. Berliner N. Berliner 3/15/2017 1

126 3,898 1,619 1.0 126.0 3897.0 1493.0 PASS PASS PASS PASS 69.87 821 Yes Yes S. Owe S. Owe 3/16/2017 1

128 3,856 1,511 1.0 128.0 3855.0 1383.0 PASS PASS PASS PASS 69.87 827 Yes Yes S. Owe S. Owe 3/17/2017 1

142 3,978 1,546 1.0 142.0 3977.0 1404.0 PASS PASS PASS PASS 69.87 869 Yes Yes S. Owe S. Owe 3/20/2017 1

138 4,159 1,610 1.0 138.0 4158.0 1472.0 PASS PASS PASS PASS 69.87 857 Yes Yes S. Owe S. Owe 3/21/2017 1

118 3,880 1,406 1.0 118.0 3879.0 1288.0 PASS PASS PASS PASS 69.87 796 Yes Yes S. Owe S. Owe 3/22/2017 1

137 3,931 1,648 1.0 137.0 3930.0 1511.0 PASS PASS PASS PASS 69.87 854 Yes Yes S. Owe S. Owe 3/23/2017 1

133 4,088 1,525 1.0 133.0 4087.0 1392.0 PASS PASS PASS PASS 69.87 842 Yes Yes S. Owe S. Owe 3/24/2017 1

123 3,795 1,572 1.0 123.0 3794.0 1449.0 PASS PASS PASS PASS 69.87 812 Yes Yes A. Jacobs AJ 3/27/2017 0

137 4,157 1,620 0.0 137.0 4157.0 1483.0 PASS PASS PASS PASS 27.39 854 Yes Yes Mplonski MP 3/28/2017 0

129 4,046 1,625 0.0 129.0 4046.0 1496.0 PASS PASS PASS PASS 27.39 830 Yes Yes A. Jacobs AJ 3/29/2017 0

129 4,171 1,601 0.0 129.0 4171.0 1472.0 PASS PASS PASS PASS 27.39 830 Yes Yes A. Jacobs AJ 3/30/2017 1

134 3,599 1,528 1.0 134.0 3598.0 1394.0 PASS PASS PASS PASS 69.87 845 Yes Yes A. Jacobs AJ 3/31/2017 0

121 4,063 1,668 0.0 121.0 4063.0 1547.0 PASS PASS PASS PASS 27.39 805 Yes Yes A. Jacobs AJ 4/3/2017 1

134 3,698 1,449 1.0 134.0 3697.0 1315.0 PASS PASS PASS PASS 69.87 845 Yes Yes M. Plonski MP 4/4/2017 2

113 4,128 1,428 2.0 113.0 4126.0 1315.0 PASS PASS PASS PASS 87.46 780 Yes Yes M. Plonski MP 4/5/2017 2

137 4,000 1,600 2.0 137.0 3998.0 1463.0 PASS PASS PASS PASS 87.46 854 Yes Yes M. Plonski MP 4/6/2017 1

144 4,040 1,614 1.0 144.0 4039.0 1470.0 PASS PASS PASS PASS 69.87 875 Yes Yes M. Plonski MP 4/7/2017 1

119 3,920 1,376 1.0 119.0 3919.0 1257.0 PASS PASS PASS PASS 69.87 799 Yes Yes M. Plonski MP 4/10/2017 2

125 4,017 1,452 2.0 125.0 4015.0 1327.0 PASS PASS PASS PASS 87.46 818 Yes Yes M. Plonski MP 4/12/2017 2

138 4,003 1,594 2.0 138.0 4001.0 1456.0 PASS PASS PASS PASS 87.46 857 Yes Yes J.Cote JAC 4/13/2017 2

139 4,069 1,591 2.0 139.0 4067.0 1452.0 PASS PASS PASS PASS 87.46 860 Yes Yes J.Cote JAC 4//14/17 0

139 4,105 1,568 0.0 139.0 4105.0 1429.0 PASS PASS PASS PASS 27.39 860 Yes Yes J.Cote JAC 4/17/2017 0

138 3,873 1,596 0.0 138.0 3873.0 1458.0 PASS PASS PASS PASS 27.39 857 Yes Yes J.Cote JAC 4/18/2017 1

137 4,018 1,689 1.0 137.0 4017.0 1552.0 PASS PASS PASS PASS 69.87 854 Yes Yes J.Cote JAC 4/19/2017 1

134 3,966 1,642 1.0 134.0 3965.0 1508.0 PASS PASS PASS PASS 69.87 845 Yes Yes J.Cote JAC 4/20/2017 1

139 3,951 1,635 1.0 139.0 3950.0 1496.0 PASS PASS PASS PASS 69.87 860 Yes Yes J.Cote JAC 4/21/2017 0

142 3,952 1,633 0.0 142.0 3952.0 1491.0 PASS PASS PASS PASS 27.39 869 Yes Yes J.Cote JAC 4/24/2017 1

136 4,068 1,648 1.0 136.0 4067.0 1512.0 PASS PASS PASS PASS 69.87 851 Yes Yes J.Cote JAC 4/25/2017 2

130 4,020 1,569 2.0 130.0 4018.0 1439.0 PASS PASS PASS PASS 87.46 833 Yes Yes J.Cote JAC 4/26/2017 2

124 3,982 1,603 2.0 124.0 3980.0 1479.0 PASS PASS PASS PASS 87.46 815 Yes Yes J.Cote JAC 4/27/2017 1

139 3,941 1,623 1.0 139.0 3940.0 1484.0 PASS PASS PASS PASS 69.87 860 Yes Yes J.Cote JAC 4/28/2017 1

127 3,971 1,619 1.0 127.0 3970.0 1492.0 PASS PASS PASS PASS 69.87 824 Yes Yes J.Cote JAC Ludlum 43-93 PR199836 Calibration Date:

Counting Instrument:

Serial #:

Ludlum 2360 193638 12 month calibration:

Technician Initials Detector Active Area or Area Covered by Smear (cm2):

MDA OK?

Daily Check Source Counts Date Daily Bkg Rate (cpm)

Daily Bkg Counts MDA (dpm)

Source QC Pass/Fail Net Daily Source Rate (cpm)

MDA OK?

H.P.

Technician MDA (dpm)

Bkg QC Pass/Fail Page 1 of 3

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Efficiency (fraction)

Source Nuclide Source Number Original Source Activity (DPM)

Source Creation Date T1/2 (yr)

Source Decayed Activity Required MDA (DPM/100cm2)

Control Chart

& Daily Bkg Count Time Control Chart

& Daily Source-Sample Count Time Control Chart bkg Average cpm Control Chart bkg 1 sigma, cpm Control Chart Source-bkg Average cpm Control Chart source 1 sigma, cpm Alpha 0.1095 Th-230 5648-06 15,900 9/24/2012 7.54E+04 15,899 5,000 1

1 1.00 1.56 3928.9 200.11 Beta 0.0673 Tc-99 5634-05 9,860 2/25/2013 2.11E+05 9,860 5,000 1

1 124.30 10.06 1445.8 139.76 Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta Technician Initials MDA OK?

Daily Check Source Counts Date Daily Bkg Rate (cpm)

Daily Bkg Counts MDA (dpm)

Source QC Pass/Fail Net Daily Source Rate (cpm)

MDA OK?

H.P.

Technician MDA (dpm)

Bkg QC Pass/Fail 5/1/2017 0

123 3,964 1,613 0.0 123.0 3964.0 1490.0 PASS PASS PASS PASS 27.39 812 Yes Yes J.Cote JAC 5/2/2017 2

132 4,002 1,628 2.0 132.0 4000.0 1496.0 PASS PASS PASS PASS 87.46 839 Yes Yes J.Cote JAC 5/3/2017 0

114 3,976 1,677 0.0 114.0 3976.0 1563.0 PASS PASS PASS PASS 27.39 783 Yes Yes J.Cote JAC 5/4/2017 1

136 3,976 1,614 1.0 136.0 3975.0 1478.0 PASS PASS PASS PASS 69.87 851 Yes Yes J.Cote JAC 5/5/2017 1

130 4,075 1,566 1.0 130.0 4074.0 1436.0 PASS PASS PASS PASS 69.87 833 Yes Yes J.Cote JAC 5/8/2012 0

127 3,971 1,624 0.0 127.0 3971.0 1497.0 PASS PASS PASS PASS 27.39 824 Yes Yes MPlonski MP 5/9/2012 0

129 3,895 1,695 0.0 129.0 3895.0 1566.0 PASS PASS PASS PASS 27.39 830 Yes Yes J.Cote JAC 5/10/2012 2

143 3,877 1,595 2.0 143.0 3875.0 1452.0 PASS PASS PASS PASS 87.46 872 Yes Yes J.Cote JAC 5/11/2012 1

133 3,889 1,568 1.0 133.0 3888.0 1435.0 PASS PASS PASS PASS 69.87 842 Yes Yes J.Cote JAC 5/12/2012 1

135 3,811 1,655 1.0 135.0 3810.0 1520.0 PASS PASS PASS PASS 69.87 848 Yes Yes J.Cote JAC 5/15/2017 1

120 3,959 1,624 1.0 120.0 3958.0 1504.0 PASS PASS PASS PASS 69.87 802 Yes Yes J.Cote JAC 5/16/2017 1

131 4,028 1,701 1.0 131.0 4027.0 1570.0 PASS PASS PASS PASS 69.87 836 Yes Yes J.Cote JAC 5/17/2017 1

135 3,899 1,669 1.0 135.0 3898.0 1534.0 PASS PASS PASS PASS 69.87 848 Yes Yes J.Cote JAC 5/18/2017 0

114 4,031 1,603 0.0 114.0 4031.0 1489.0 PASS PASS PASS PASS 27.39 783 Yes Yes J.Cote JAC 5/19/2017 1

115 4,009 1,666 1.0 115.0 4008.0 1551.0 PASS PASS PASS PASS 69.87 786 Yes Yes J.Cote JAC 5/22/2017 0

138 3,896 1,579 0.0 138.0 3896.0 1441.0 PASS PASS PASS PASS 27.39 857 Yes Yes J.Cote JAC 5/23/2017 2

114 3,746 1,568 2.0 114.0 3744.0 1454.0 PASS PASS PASS PASS 87.46 783 Yes Yes J.Cote JAC 5/24/2017 1

140 4,002 1,730 1.0 140.0 4001.0 1590.0 PASS PASS PASS PASS 69.87 863 Yes Yes J.Cote JAC 5/25/2017 2

126 3,891 1,626 2.0 126.0 3889.0 1500.0 PASS PASS PASS PASS 87.46 821 Yes Yes J.Cote JAC 5/26/2017 2

116 3,847 1,533 2.0 116.0 3845.0 1417.0 PASS PASS PASS PASS 87.46 789 Yes Yes J.Cote JAC 5/30/2017 2

137 3,769 1,577 2.0 137.0 3767.0 1440.0 PASS PASS PASS PASS 87.46 854 Yes Yes J.Cote JAC 5/31/2017 2

124 3,967 1,662 2.0 124.0 3965.0 1538.0 PASS PASS PASS PASS 87.46 815 Yes Yes J.Cote JAC 6/1/2017 2

122 3,975 1,656 2.0 122.0 3973.0 1534.0 PASS PASS PASS PASS 87.46 809 Yes Yes J.Cote JAC 6/2/2017 0

135 3,945 1,683 0.0 135.0 3945.0 1548.0 PASS PASS PASS PASS 27.39 848 Yes Yes J.Cote JAC 6/5/2017 0

115 3,949 1,705 0.0 115.0 3949.0 1590.0 PASS PASS PASS PASS 27.39 786 Yes Yes J.Cote JAC 6/6/2017 1

111 4,047 1,669 1.0 111.0 4046.0 1558.0 PASS PASS PASS PASS 69.87 773 Yes Yes J.Cote JAC 6/7/2017 2

120 3,907 1,670 2.0 120.0 3905.0 1550.0 PASS PASS PASS PASS 87.46 802 Yes Yes J.Cote JAC 6/8/2017 0

129 3,940 1,681 0.0 129.0 3940.0 1552.0 PASS PASS PASS PASS 27.39 830 Yes Yes J.Cote JAC 6/9/2017 0

131 4,007 1,657 0.0 131.0 4007.0 1526.0 PASS PASS PASS PASS 27.39 836 Yes Yes J.Cote JAC 6/21/2017 1

127 3,909 1,653 1.0 127.0 3908.0 1526.0 PASS PASS PASS PASS 69.87 824 Yes Yes M. Plonski MSP 7/24/2017 1

132 3,874 1,721 1.0 132.0 3873.0 1589.0 PASS PASS PASS PASS 69.87 839 Yes Yes M. Plonski MSP 8/14/2017 0

120 3,869 1,694 0.0 120.0 3869.0 1574.0 PASS PASS PASS PASS 27.39 802 Yes Yes M. Plonski MSP 8/15/2017 0

119 3,919 1,622 0.0 119.0 3919.0 1503.0 PASS PASS PASS PASS 27.39 799 Yes Yes M. Plonski MSP 8/16/2017 2

117 4,106 1,607 2.0 117.0 4104.0 1490.0 PASS PASS PASS PASS 87.46 793 Yes Yes M. Plonski MSP 8/17/2017 3

129 3,923 1,759 3.0 129.0 3920.0 1630.0 PASS PASS PASS PASS 100.96 830 Yes Yes M. Plonski MSP 8/18/2017 3

128 3,693 1,613 3.0 128.0 3690.0 1485.0 PASS PASS PASS PASS 100.96 827 Yes Yes M. Plonski MSP 8/21/2017 3

129 3,923 1,759 3.0 129.0 3920.0 1630.0 PASS PASS PASS PASS 100.96 830 Yes Yes M. Plonski MSP 8/22/2017 0

124 3,758 1,628 0.0 124.0 3758.0 1504.0 PASS PASS PASS PASS 27.39 815 Yes Yes M. Plonski MSP 8/23/2017 0

116 3,787 1,527 0.0 116.0 3787.0 1411.0 PASS PASS PASS PASS 27.39 789 Yes Yes M. Plonski MSP 8/24/2017 0

130 3,835 1,527 0.0 130.0 3835.0 1397.0 PASS PASS PASS PASS 27.39 833 Yes Yes M. Plonski MSP 8/25/2017 1

114 3,599 1,471 1.0 114.0 3598.0 1357.0 PASS PASS PASS PASS 69.87 783 Yes Yes M. Plonski MSP 8/28/2017 3

133 3,779 1,624 3.0 133.0 3776.0 1491.0 PASS PASS PASS PASS 100.96 842 Yes Yes M. Plonski MSP 8/29/2017 0

124 3,787 1,555 0.0 124.0 3787.0 1431.0 PASS PASS PASS PASS 27.39 815 Yes Yes M. Plonski MSP Page 2 of 3

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Efficiency (fraction)

Source Nuclide Source Number Original Source Activity (DPM)

Source Creation Date T1/2 (yr)

Source Decayed Activity Required MDA (DPM/100cm2)

Control Chart

& Daily Bkg Count Time Control Chart

& Daily Source-Sample Count Time Control Chart bkg Average cpm Control Chart bkg 1 sigma, cpm Control Chart Source-bkg Average cpm Control Chart source 1 sigma, cpm Alpha 0.1095 Th-230 5648-06 15,900 9/24/2012 7.54E+04 15,899 5,000 1

1 1.00 1.56 3928.9 200.11 Beta 0.0673 Tc-99 5634-05 9,860 2/25/2013 2.11E+05 9,860 5,000 1

1 124.30 10.06 1445.8 139.76 Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta Technician Initials MDA OK?

Daily Check Source Counts Date Daily Bkg Rate (cpm)

Daily Bkg Counts MDA (dpm)

Source QC Pass/Fail Net Daily Source Rate (cpm)

MDA OK?

H.P.

Technician MDA (dpm)

Bkg QC Pass/Fail 8/30/2017 0

115 3,823 1,492 0.0 115.0 3823.0 1377.0 PASS PASS PASS PASS 27.39 786 Yes Yes M. Plonski MSP Page 3 of 3

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Alpha cpm Beta cpm Alpha cpm Beta cpm 1

5 5

135 135 4,108 4,108 1,617 1,617 2

1 1

137 137 3,856 3,856 1,598 1,598 3

2 2

131 131 3,857 3,857 1,339 1,339 4

1 1

136 136 3,737 3,737 1,425 1,425 5

1 1

127 127 3,960 3,960 1,764 1,764 6

0 0

115 115 3,995 3,995 1,674 1,674 7

0 0

118 118 4,046 4,046 1,435 1,435 8

0 0

110 110 3,946 3,946 1,542 1,542 9

0 0

119 119 3,536 3,536 1,583 1,583 10 0

0 115 115 4,258 4,258 1,724 1,724 Mean 1.00 124.3 3929.9 1570.1 S(n-1) 1.56 10.06 200.39 136.92

-3 sigma

-3.69 94.13 3328.74 1159.34

+3 sigma 5.69 154.47 4531.06 1980.86

-2 sigma

-2.13 104.19 3529.13 1296.26

+2 sigma 4.13 144.41 4330.67 1843.94 Mean-bkg 3928.9 1445.8 S(n-1) 200.11 139.76 Mean-bkg -3 sigma 3328.57 1026.52 Mean-bkg +3 sigma 4529.23 1865.08 Mean-bkg -2 sigma 3528.68 1166.28 Mean-bkg +2 sigma 4329.12 1725.32 Initial bkg counts Initial Background and Source Counts for Control Chart Initial source plus bkg counts Page 1 of 1

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Detector:

1/6/2017 Serial #:

OK 100 Efficiency (fraction)

Source Nuclide Source Number Original Source Activity (DPM)

Source Creation Date T1/2 (yr)

Source Decayed Activity Required MDA (DPM/100cm2)

Control Chart

& Daily Bkg Count Time Control Chart

& Daily Source-Sample Count Time Control Chart bkg Average cpm Control Chart bkg 1 sigma, cpm Control Chart Source-bkg Average cpm Control Chart source 1 sigma, cpm Alpha 0.1103 Th-230 5648-06 15,900 9/24/2012 7.54E+04 15,899 5,000 1

1 2.40 1.90 3835.1 323.47 Beta 0.0620 Tc-99 5634-05 9,860 2/25/2013 2.11E+05 9,860 5,000 1

1 232.30 20.67 2008.4 100.81 Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta 2/21/2017 2

235 4,037 2,351 2.0 235.0 4035.0 2116.0 PASS PASS PASS PASS 86.88 1199 Yes Yes N. Berliner N. Berliner 2/22/2017 1

210 4,068 2,234 1.0 210.0 4067.0 2024.0 PASS PASS PASS PASS 69.40 1136 Yes Yes A. Craig A. Craig 2/23/2017 1

266 4,138 2,235 1.0 266.0 4137.0 1969.0 PASS PASS PASS PASS 69.40 1272 Yes Yes N. Berliner N. Berliner 2/24/2017 4

222 3,956 2,316 4.0 222.0 3952.0 2094.0 PASS PASS PASS PASS 111.60 1167 Yes Yes A.Jacobs AJ 2/27/2017 2

199 4,046 2,193 2.0 199.0 4044.0 1994.0 PASS PASS PASS PASS 86.88 1107 Yes Yes N. Berliner N. Berliner 2/28/2017 2

215 3,962 2,267 2.0 215.0 3960.0 2052.0 PASS PASS PASS PASS 86.88 1149 Yes Yes N. Berliner N. Berliner Ludlum 43-93 PR244549 Calibration Date:

Counting Instrument:

Serial #:

Ludlum 2224-1 227246 12 month calibration:

Technician Initials Detector Active Area or Area Covered by Smear (cm2):

MDA OK?

Daily Check Source Counts Date Daily Bkg Rate (cpm)

Daily Bkg Counts MDA (dpm)

Source QC Pass/Fail Net Daily Source Rate (cpm)

MDA OK?

H.P.

Technician MDA (dpm)

Bkg QC Pass/Fail Page 1 of 1

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Alpha cpm Beta cpm Alpha cpm Beta cpm 1

3 3

216 216 4,045 4,045 2,244 2,244 2

0 0

245 245 4,055 4,055 2,391 2,391 3

2 2

216 216 3,939 3,939 2,179 2,179 4

5 5

201 201 3,933 3,933 2,054 2,054 5

0 0

225 225 3,654 3,654 2,372 2,372 6

3 3

237 237 3,911 3,911 2,261 2,261 7

1 1

264 264 4,177 4,177 2,136 2,136 8

1 1

232 232 4,089 4,089 2,302 2,302 9

4 4

264 264 3,298 3,298 2,213 2,213 10 5

5 223 223 3,274 3,274 2,255 2,255 Mean 2.40 232.3 3837.5 2240.7 S(n-1) 1.90 20.67 322.48 102.53

-3 sigma

-3.29 170.30 2870.05 1933.12

+3 sigma 8.09 294.30 4804.95 2548.28

-2 sigma

-1.39 190.97 3192.53 2035.64

+2 sigma 6.19 273.63 4482.47 2445.76 Mean-bkg 3835.1 2008.4 S(n-1) 323.47 100.81 Mean-bkg -3 sigma 2864.68 1705.97 Mean-bkg +3 sigma 4805.52 2310.83 Mean-bkg -2 sigma 3188.15 1806.78 Mean-bkg +2 sigma 4482.05 2210.02 Initial bkg counts Initial Background and Source Counts for Control Chart Initial source plus bkg counts Page 1 of 1

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Detector:

1/16/2017 Serial #:

OK 100 Efficiency (fraction)

Source Nuclide Source Number Original Source Activity (DPM)

Source Creation Date T1/2 (yr)

Source Decayed Activity Required MDA (DPM/100cm2)

Control Chart

& Daily Bkg Count Time Control Chart

& Daily Source-Sample Count Time Control Chart bkg Average cpm Control Chart bkg 1 sigma, cpm Control Chart Source-bkg Average cpm Control Chart source 1 sigma, cpm Alpha 0.0992 Th-230 5648-06 15,900 9/24/2012 7.54E+04 15,899 5,000 1

1 0.30 0.48 3605.9 288.96 Beta 0.0620 Tc-99 5634-05 9,860 2/25/2013 2.11E+05 9,860 5,000 1

1 110.70 10.51 1232.5 145.26 Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta 2/21/2017 0

91 3,800 1,442 0.0 91.0 3800.0 1351.0 PASS PASS PASS PASS 30.23 764 Yes Yes N. Berliner N. Berliner 2/22/2017 1

117 3,821 1,445 1.0 117.0 3820.0 1328.0 PASS PASS PASS PASS 77.12 860 Yes Yes A. Craig A. Craig 2/23/2017 0

118 3,569 1,392 0.0 118.0 3569.0 1274.0 PASS PASS PASS PASS 30.23 863 Yes Yes A. Craig A. Craig 2/24/2017 1

113 3,854 1,465 1.0 113.0 3853.0 1352.0 PASS PASS PASS PASS 77.12 846 Yes Yes A. Jacobs AJ 2/27/2017 0

123 3,783 1,456 0.0 123.0 3783.0 1333.0 PASS PASS PASS PASS 30.23 880 Yes Yes N. Berliner N. Berliner 2/28/2017 0

107 3,827 1,459 0.0 107.0 3827.0 1352.0 PASS PASS PASS PASS 30.23 824 Yes Yes N. Berliner N. Berliner 3/10/2017 1

116 3,790 1,420 1.0 116.0 3789.0 1304.0 PASS PASS PASS PASS 77.12 856 Yes Yes S. Owe S. Owe 3/17/2017 0

126 3,730 1,330 0.0 126.0 3730.0 1204.0 PASS PASS PASS PASS 30.23 891 Yes Yes S. Owe S. Owe 3/20/2017 0

119 3,637 1,409 0.0 119.0 3637.0 1290.0 PASS PASS PASS PASS 30.23 867 Yes Yes S. Owe S. Owe 3/21/2017 0

126 3,840 1,573 0.0 126.0 3840.0 1447.0 PASS PASS PASS PASS 30.23 891 Yes Yes S. Owe S. Owe 3/22/2017 1

127 3,700 1,405 1.0 127.0 3699.0 1278.0 PASS PASS PASS PASS 77.12 894 Yes Yes S. Owe S. Owe 3/23/2017 0

103 3,596 1,309 0.0 103.0 3596.0 1206.0 PASS PASS PASS PASS 30.23 810 Yes Yes S. Owe S. Owe 3/24/2017 0

93 3,621 1,388 0.0 93.0 3621.0 1295.0 PASS PASS PASS PASS 30.23 772 Yes Yes A. Jacobs AJ 3/27/2017 0

106 3,681 1,336 0.0 106.0 3681.0 1230.0 PASS PASS PASS PASS 30.23 821 Yes Yes Mplonski MP 3/28/2017 0

114 3,690 1,440 0.0 114.0 3690.0 1326.0 PASS PASS PASS PASS 30.23 849 Yes Yes A. Jacobs AJ 3/29/2017 0

115 3,759 1,443 0.0 115.0 3759.0 1328.0 PASS PASS PASS PASS 30.23 853 Yes Yes A. Jacobs AJ 3/30/2017 0

118 3,623 1,397 0.0 118.0 3623.0 1279.0 PASS PASS PASS PASS 30.23 863 Yes Yes A. Jacobs AJ 3/31/2017 0

119 3,868 1,387 0.0 119.0 3868.0 1268.0 PASS PASS PASS PASS 30.23 867 Yes Yes A. Jacobs AJ 4/3/2017 0

117 3,908 1,539 0.0 117.0 3908.0 1422.0 PASS PASS PASS PASS 30.23 860 Yes Yes M. Plonski MP 4/4/2017 1

113 3,517 1,428 1.0 113.0 3516.0 1315.0 PASS PASS PASS PASS 77.12 846 Yes Yes M. Plonski MP 4/5/2017 1

106 3,701 1,307 1.0 106.0 3700.0 1201.0 PASS PASS PASS PASS 77.12 821 Yes Yes M. Plonski MP 4/6/2017 1

116 4,060 1,417 1.0 116.0 4059.0 1301.0 PASS PASS PASS PASS 77.12 856 Yes Yes M. Plonski MP 4/7/2017 1

109 3,700 1,510 1.0 109.0 3699.0 1401.0 PASS PASS PASS PASS 77.12 832 Yes Yes M. Plonski MP 4/10/2017 0

112 3,928 1,462 0.0 112.0 3928.0 1350.0 PASS PASS PASS PASS 30.23 842 Yes Yes M. Plonski MP 4/12/2017 1

127 3,790 1,373 1.0 127.0 3789.0 1246.0 PASS PASS PASS PASS 77.12 894 Yes Yes J.Cote JAC 4/13/2017 1

120 3,692 1,399 1.0 120.0 3691.0 1279.0 PASS PASS PASS PASS 77.12 870 Yes Yes J.Cote JAC 4/14/2017 1

114 3,766 1,446 1.0 114.0 3765.0 1332.0 PASS PASS PASS PASS 77.12 849 Yes Yes J.Cote JAC 4/17/2017 1

124 3,831 1,509 1.0 124.0 3830.0 1385.0 PASS PASS PASS PASS 77.12 884 Yes Yes J.Cote JAC 4/18/2017 1

122 3,827 1,485 1.0 122.0 3826.0 1363.0 PASS PASS PASS PASS 77.12 877 Yes Yes J.Cote JAC 4/19/2017 0

121 3,830 1,481 0.0 121.0 3830.0 1360.0 PASS PASS PASS PASS 30.23 874 Yes Yes J.Cote JAC 4/20/2017 0

120 3,764 1,453 0.0 120.0 3764.0 1333.0 PASS PASS PASS PASS 30.23 870 Yes Yes J.Cote JAC 4/21/2017 1

113 3,973 1,622 1.0 113.0 3972.0 1509.0 PASS PASS PASS PASS 77.12 846 Yes Yes J.Cote JAC 4/24/2017 0

126 3,868 1,409 0.0 126.0 3868.0 1283.0 PASS PASS PASS PASS 30.23 891 Yes Yes J.Cote JAC 4/25/2017 1

130 3,772 1,351 1.0 130.0 3771.0 1221.0 PASS PASS PASS PASS 77.12 904 Yes Yes J.Cote JAC 4/26/2017 1

115 4,167 1,469 1.0 115.0 4166.0 1354.0 PASS PASS PASS PASS 77.12 853 Yes Yes J.Cote JAC 4/27/2017 1

108 3,815 1,487 1.0 108.0 3814.0 1379.0 PASS PASS PASS PASS 77.12 828 Yes Yes J.Cote JAC 4/28/2017 0

124 3,799 1,516 0.0 124.0 3799.0 1392.0 PASS PASS PASS PASS 30.23 884 Yes Yes J.Cote JAC 5/1/2017 1

115 3,776 1,503 1.0 115.0 3775.0 1388.0 PASS PASS PASS PASS 77.12 853 Yes Yes J.Cote JAC Ludlum 43-93 PR298426 Calibration Date:

Counting Instrument:

Serial #:

Ludlum 2360 184909 12 month calibration:

Technician Initials Detector Active Area or Area Covered by Smear (cm2):

MDA OK?

Daily Check Source Counts Date Daily Bkg Rate (cpm)

Daily Bkg Counts MDA (dpm)

Source QC Pass/Fail Net Daily Source Rate (cpm)

MDA OK?

H.P.

Technician MDA (dpm)

Bkg QC Pass/Fail Page 1 of 2

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Efficiency (fraction)

Source Nuclide Source Number Original Source Activity (DPM)

Source Creation Date T1/2 (yr)

Source Decayed Activity Required MDA (DPM/100cm2)

Control Chart

& Daily Bkg Count Time Control Chart

& Daily Source-Sample Count Time Control Chart bkg Average cpm Control Chart bkg 1 sigma, cpm Control Chart Source-bkg Average cpm Control Chart source 1 sigma, cpm Alpha 0.0992 Th-230 5648-06 15,900 9/24/2012 7.54E+04 15,899 5,000 1

1 0.30 0.48 3605.9 288.96 Beta 0.0620 Tc-99 5634-05 9,860 2/25/2013 2.11E+05 9,860 5,000 1

1 110.70 10.51 1232.5 145.26 Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta Alpha Beta Technician Initials MDA OK?

Daily Check Source Counts Date Daily Bkg Rate (cpm)

Daily Bkg Counts MDA (dpm)

Source QC Pass/Fail Net Daily Source Rate (cpm)

MDA OK?

H.P.

Technician MDA (dpm)

Bkg QC Pass/Fail 5/2/2017 0

121 3,932 1,502 0.0 121.0 3932.0 1381.0 PASS PASS PASS PASS 30.23 874 Yes Yes J.Cote JAC 5/3/2017 1

114 3,770 1,394 1.0 114.0 3769.0 1280.0 PASS PASS PASS PASS 77.12 849 Yes Yes J.Cote JAC 5/4/2017 1

123 3,695 1,434 1.0 123.0 3694.0 1311.0 PASS PASS PASS PASS 77.12 880 Yes Yes J.Cote JAC 5/5/2017 1

128 3,681 1,330 1.0 128.0 3680.0 1202.0 PASS PASS PASS PASS 77.12 897 Yes Yes J.Cote JAC 5/8/2017 0

113 3,756 1,415 0.0 113.0 3756.0 1302.0 PASS PASS PASS PASS 30.23 846 Yes Yes MPlonski MP 5/9/2017 1

123 3,829 1,407 1.0 123.0 3828.0 1284.0 PASS PASS PASS PASS 77.12 880 Yes Yes J.Cote JAC 5/10/2017 0

126 3,739 1,462 0.0 126.0 3739.0 1336.0 PASS PASS PASS PASS 30.23 891 Yes Yes J.Cote JAC 5/11/2017 0

110 3,615 1,367 0.0 110.0 3615.0 1257.0 PASS PASS PASS PASS 30.23 835 Yes Yes J.Cote JAC 5/12/2017 1

97 3,627 1,412 1.0 97.0 3626.0 1315.0 PASS PASS PASS PASS 77.12 787 Yes Yes J.Cote JAC 5/15/2017 0

129 3,725 1,421 0.0 129.0 3725.0 1292.0 PASS PASS PASS PASS 30.23 900 Yes Yes J.Cote JAC 5/16/2017 1

122 3,839 1,454 1.0 122.0 3838.0 1332.0 PASS PASS PASS PASS 77.12 877 Yes Yes J.Cote JAC 5/17/2017 1

115 3,586 1,438 1.0 115.0 3585.0 1323.0 PASS PASS PASS PASS 77.12 853 Yes Yes J.Cote JAC 5/18/2017 0

102 3,572 1,414 0.0 102.0 3572.0 1312.0 PASS PASS PASS PASS 30.23 806 Yes Yes J.Cote JAC 5/19/2017 1

93 3,779 1,443 1.0 93.0 3778.0 1350.0 PASS PASS PASS PASS 77.12 772 Yes Yes J.Cote JAC 5/22/2017 0

110 3,779 1,456 0.0 110.0 3779.0 1346.0 PASS PASS PASS PASS 30.23 835 Yes Yes J.Cote JAC 5/23/2017 0

112 3,641 1,401 0.0 112.0 3641.0 1289.0 PASS PASS PASS PASS 30.23 842 Yes Yes J.Cote JAC 5/24/2017 1

120 3,666 1,437 1.0 120.0 3665.0 1317.0 PASS PASS PASS PASS 77.12 870 Yes Yes J.Cote JAC 5/25/2017 0

98 3,545 1,422 0.0 98.0 3545.0 1324.0 PASS PASS PASS PASS 30.23 791 Yes Yes J.Cote JAC 5/26/2017 1

101 3,757 1,319 1.0 101.0 3756.0 1218.0 PASS PASS PASS PASS 77.12 802 Yes Yes J.Cote JAC 5/30/2017 1

104 3,706 1,404 1.0 104.0 3705.0 1300.0 PASS PASS PASS PASS 77.12 813 Yes Yes J.Cote JAC 5/31/2017 1

116 3,701 1,460 1.0 116.0 3700.0 1344.0 PASS PASS PASS PASS 77.12 856 Yes Yes J.Cote JAC 6/1/2017 1

119 3,704 1,458 1.0 119.0 3703.0 1339.0 PASS PASS PASS PASS 77.12 867 Yes Yes J.Cote JAC 6/2/2017 1

113 3,713 1,406 1.0 113.0 3712.0 1293.0 PASS PASS PASS PASS 77.12 846 Yes Yes J.Cote JAC 6/5/2017 0

119 3,703 1,412 0.0 119.0 3703.0 1293.0 PASS PASS PASS PASS 30.23 867 Yes Yes J.Cote JAC 6/6/2017 0

114 3,619 1,471 0.0 114.0 3619.0 1357.0 PASS PASS PASS PASS 30.23 849 Yes Yes J.Cote JAC 6/7/2017 1

115 3,722 1,556 1.0 115.0 3721.0 1441.0 PASS PASS PASS PASS 77.12 853 Yes Yes J.Cote JAC 6/8/2017 1

118 3,758 1,419 1.0 118.0 3757.0 1301.0 PASS PASS PASS PASS 77.12 863 Yes Yes J.Cote JAC 6/9/2017 1

119 3,675 1,449 1.0 119.0 3674.0 1330.0 PASS PASS PASS PASS 77.12 867 Yes Yes J.Cote JAC 8/14/2017 1

108 4,088 1,418 1.0 108.0 4087.0 1310.0 PASS PASS PASS PASS 77.12 828 Yes Yes MPlonski MP 8/15/2017 0

120 3,503 1,307 0.0 120.0 3503.0 1187.0 PASS PASS PASS PASS 30.23 870 Yes Yes MPlonski MP 8/16/2017 0

115 3,663 1,343 0.0 115.0 3663.0 1228.0 PASS PASS PASS PASS 30.23 853 Yes Yes MPlonski MP 8/17/2017 1

113 3,421 1,380 1.0 113.0 3420.0 1267.0 PASS PASS PASS PASS 77.12 846 Yes Yes MPlonski MP 8/18/2017 0

121 3,430 1,353 0.0 121.0 3430.0 1232.0 PASS PASS PASS PASS 30.23 874 Yes Yes MPlonski MP 8/21/2017 0

119 3,313 1,329 0.0 119.0 3313.0 1210.0 PASS PASS PASS PASS 30.23 867 Yes Yes MPlonski MP 8/22/2017 0

122 3,029 1,256 0.0 122.0 3029.0 1134.0 PASS PASS PASS PASS 30.23 877 Yes Yes MPlonski MP 8/23/2017 1

105 3,574 1,218 1.0 105.0 3573.0 1113.0 PASS PASS PASS PASS 77.12 817 Yes Yes MPlonski MP 8/24/2017 0

107 3,272 1,303 0.0 107.0 3272.0 1196.0 PASS PASS PASS PASS 30.23 824 Yes Yes MPlonski MP 8/25/2017 0

118 3,717 1,438 0.0 118.0 3717.0 1320.0 PASS PASS PASS PASS 30.23 863 Yes Yes MPlonski MP 8/28/2017 1

116 3,756 1,439 1.0 116.0 3755.0 1323.0 PASS PASS PASS PASS 77.12 856 Yes Yes MPlonski MP 8/29/2017 1

129 3,570 1,452 1.0 129.0 3569.0 1323.0 PASS PASS PASS PASS 77.12 900 Yes Yes MPlonski MP 8/30/2017 0

109 3,746 1,440 0.0 109.0 3746.0 1331.0 PASS PASS PASS PASS 30.23 832 Yes Yes MPlonski MP Page 2 of 2

CABRERA ALPHA-BETA COUNTING INSTRUMENT (Rev 6)

Alpha cpm Beta cpm Alpha cpm Beta cpm 1

1 1

103 103 3,729 3,729 1,439 1,439 2

0 0

109 109 3,753 3,753 1,369 1,369 3

0 0

112 112 3,651 3,651 1,391 1,391 4

0 0

112 112 3,074 3,074 1,431 1,431 5

1 1

121 121 3,877 3,877 1,416 1,416 6

1 1

102 102 3,905 3,905 1,562 1,562 7

0 0

109 109 3,376 3,376 1,291 1,291 8

0 0

93 93 3,192 3,192 1,082 1,082 9

0 0

115 115 3,730 3,730 1,124 1,124 10 0

0 131 131 3,775 3,775 1,327 1,327 Mean 0.30 110.7 3606.2 1343.2 S(n-1) 0.48 10.51 289.23 146.16

-3 sigma

-1.15 79.17 2738.52 904.71

+3 sigma 1.75 142.23 4473.88 1781.69

-2 sigma

-0.67 89.68 3027.75 1050.87

+2 sigma 1.27 131.72 4184.65 1635.53 Mean-bkg 3605.9 1232.5 S(n-1) 288.96 145.26 Mean-bkg -3 sigma 2739.02 796.72 Mean-bkg +3 sigma 4472.78 1668.28 Mean-bkg -2 sigma 3027.98 941.98 Mean-bkg +2 sigma 4183.82 1523.02 Initial bkg counts Initial Background and Source Counts for Control Chart Initial source plus bkg counts Page 1 of 1

Source Ser. #

N/A Nuclide Bkgd Date Result (rem/hr)

P/F Date Result (rem/hr) 2/24/2017 3

Pass 2/24/2017 2

2/27/2017 4

Pass 2/24/2017 3

2/28/2017 3

Pass 2/24/2017 3

3/1/2017 4

Pass 2/24/2017 4

3/2/2017 4

Pass 2/24/2017 5

3/3/2017 4

Pass 2/24/2017 4

3/6/2017 4

Pass 2/24/2017 3

3/7/2017 4

Pass 2/24/2017 3

3/8/2017 4

Pass 2/24/2017 4

3/9/2017 4

Pass 2/24/2017 3

3/10/2017 4

Pass Average 3/13/2017 4

Pass 3

3/15/2017 3

Pass 3/16/2017 3

Pass 3/17/2017 4

Pass 3/20/2017 3

Pass 3/21/2017 3

Pass 3/22/2017 3

Pass 3/23/2017 3

Pass 3/24/2017 3

Pass 3/27/2017 4

Pass 3/28/2017 4

Pass 3/29/2017 4

Pass 3/30/2017 4

Pass 3/31/2017 4

Pass 4/3/2017 4

Pass 4/4/2017 3

Pass 4/5/2017 4

Pass 4/6/2017 4

Pass 4/7/2017 4

Pass 4/10/2017 4

Pass 4/12/2017 4

Pass 4/13/2017 4

Pass 4/14/2017 3

Pass 4/17/2017 4

Pass 4/18/2017 3

Pass 4/19/2017 4

Pass 4/20/2017 3

Pass 4/21/2017 4

Pass 4/24/2017 4

Pass 4/25/2017 3

Pass 4/26/2017 4

Pass 4/27/2017 3

Pass 4/28/2017 3

Pass 5/1/2017 4

Pass 5/2/2017 4

Pass 5/3/2017 4

Pass 5/4/2017 3

Pass 5/5/2017 4

Pass 5/8/2017 3

Pass 5/9/2017 4

Pass 5/10/2017 4

Pass 5/11/2017 4

Pass 5/12/2017 4

Pass 5/15/2017 4

Pass 5/16/2017 3

Pass 5/17/2017 3

Pass 5/18/2017 4

Pass 5/19/2017 4

Pass 5/22/2017 4

Pass 5/23/2017 4

Pass 5/24/2017 4

Pass 5/25/2017 4

Pass 5/26/2017 4

Pass 5/30/2017 3

Pass 5/31/2017 4

Pass 6/1/2017 4

Pass 6/2/2017 4

Pass 6/5/2017 4

Pass 6/6/2017 4

Pass 6/7/2017 4

Pass 6/8/2017 4

Pass 6/9/2017 3

Pass 6/11/2017 4

Pass Bicron MicroRem 2079 Bicron MicroRem 2079 QC Daily Source Initial Source Readings

0 0.5 1

1.5 2

2.5 3

3.5 4

4.5 2/14/17 3/6/17 3/26/17 4/15/17 5/5/17 5/25/17 6/14/17 7/4/17 microrem/hr QC Date Bicron MicroRem 2079, Daily QC Trend Graph Value

+20 %

Average

-20%

Source Ser. #

N/A Nuclide Co-60 Date Result (rem/hr)

P/F Date Result (rem/hr) 2/24/2017 200 Pass 2/24/2017 185 2/27/2017 185 Pass 2/24/2017 190 2/28/2017 190 Pass 2/24/2017 200 3/1/2017 185 Pass 2/24/2017 190 3/2/2017 200 Pass 2/24/2017 200 3/3/2017 200 Pass 2/24/2017 185 3/6/2017 195 Pass 2/24/2017 200 3/7/2017 200 Pass 2/24/2017 190 3/8/2017 200 Pass 2/24/2017 195 3/9/2017 185 Pass 2/24/2017 200 3/10/2017 190 Pass Average 3/13/2017 190 Pass 194 3/15/2017 200 Pass 3/16/2017 195 Pass 3/17/2017 200 Pass 3/20/2017 200 Pass 3/21/2017 200 Pass 3/22/2017 190 Pass 3/23/2017 190 Pass 3/24/2017 200 Pass 3/27/2017 190 Pass 3/28/2017 190 Pass 3/29/2017 190 Pass 3/30/2017 200 Pass 3/31/2017 200 Pass 4/3/2017 200 Pass 4/4/2017 190 Pass 4/5/2017 200 Pass 4/6/2017 180 Pass 4/7/2017 200 Pass 4/10/2017 180 Pass 4/12/2017 180 Pass 4/13/2017 200 Pass 4/14/2017 190 Pass 4/17/2017 180 Pass 4/18/2017 200 Pass 4/19/2017 180 Pass 4/20/2017 180 Pass 4/21/2017 200 Pass 4/24/2017 190 Pass 4/25/2017 200 Pass 4/26/2017 180 Pass 4/27/2017 200 Pass 4/28/2017 200 Pass 5/1/2017 200 Pass 5/2/2017 180 Pass 5/3/2017 200 Pass 5/4/2017 200 Pass 5/5/2017 180 Pass 5/8/2017 200 Pass 5/9/2017 200 Pass 5/10/2017 200 Pass 5/11/2017 200 Pass 5/12/2017 180 Pass 5/15/2017 180 Pass 5/16/2017 200 Pass 5/17/2017 200 Pass 5/18/2017 200 Pass 5/19/2017 200 Pass 5/22/2017 180 Pass 5/23/2017 180 Pass 5/24/2017 180 Pass 5/25/2017 180 Pass 5/26/2017 200 Pass 5/30/2017 180 Pass 5/31/2017 200 Pass 6/1/2017 200 Pass 6/2/2017 200 Pass 6/5/2017 180 Pass 6/6/2017 200 Pass 6/7/2017 200 Pass 6/8/2017 200 Pass 6/9/2017 200 Pass 6/11/2017 200 Pass Bicron MicroRem 2079 Bicron MicroRem 2079 QC Daily Source Initial Source Readings

0 50 100 150 200 250 2/14/17 3/6/17 3/26/17 4/15/17 5/5/17 5/25/17 6/14/17 7/4/17 microrem/hr QC Date Bicron MicroRem 2079, Daily QC Trend Graph Value

+20 %

Average

-20%

Instrument QA/QC Ludlum 2221/44-9 Source Ser. #

NA Nuclide Bkg Date Result (cpm)

P/F Date Result (cpm) 3/6/2017 6413 Pass 3/6/2017 6426 3/20/2017 6627 Pass 3/6/2017 6398 3/21/2017 6476 Pass 3/6/2017 6458 3/22/2017 6185 Pass 3/6/2017 6374 3/23/2017 6463 Pass 3/6/2017 6439 3/24/2017 6397 Pass 3/6/2017 6407 3/27/2017 6033 Pass 3/6/2017 6359 3/28/2017 6490 Pass 3/6/2017 6424 3/29/2017 6160 Pass 3/6/2017 6400 3/30/2017 6463 Pass 3/6/2017 6504 3/31/2017 6220 Pass Average 4/3/2017 6495 Pass 6419 4/4/2017 6301 Pass 4/5/2017 6334 Pass 4/6/2017 6486 Pass 4/7/2017 6730 Pass 4/10/2017 6400 Pass 4/12/2017 6548 Pass 4/13/2017 6346 Pass 4/14/2017 6221 Pass 4/17/2017 6358 Pass 4/18/2017 6581 Pass 4/19/2017 6537 Pass 4/20/2017 6503 Pass 4/21/2017 6504 Pass 4/24/2017 6365 Pass 4/25/2017 6672 Pass 4/26/2017 6557 Pass 4/27/2017 6454 Pass 4/28/2017 6665 Pass 5/1/2017 6487 Pass 5/2/2017 6570 Pass 5/3/2017 6562 Pass 5/4/2017 6388 Pass 5/5/2017 6430 Pass 5/8/2017 6485 Pass 5/9/2017 6507 Pass 5/10/2017 6398 Pass 5/11/2017 6265 Pass 5/12/2017 6491 Pass 5/15/2017 6380 Pass 5/16/2017 6512 Pass 5/17/2017 6472 Pass 5/18/2017 6390 Pass 5/19/2017 6452 Pass 5/22/2017 6551 Pass 5/23/2017 6558 Pass 5/24/2017 6387 Pass 5/25/2017 6405 Pass 5/26/2017 6447 Pass 5/30/2017 6521 Pass 5/31/2017 6438 Pass 6/1/2017 6522 Pass 6/2/2017 6130 Pass 6/5/2017 6548 Pass 6/6/2017 6620 Pass 6/7/2017 6544 Pass 6/8/2017 6615 Pass 6/9/2017 6627 Pass 6/21/2017 6832 Pass 6/22/2017 6517 Pass 6/23/2017 6497 Pass 6/26/2017 6133 Pass 6/27/2017 6524 Pass 6/28/2017 6647 Pass 6/29/2017 6254 Pass 8/21/2017 6223 Pass 8/22/2017 6563 Pass 8/23/2017 6535 Pass 8/24/2017 6662 Pass 8/25/2017 6541 Pass 8/28/2017 6656 Pass 8/29/2017 6837 Pass 8/30/2017 6744 Pass PR251740/SN262322 PR251740/SN262322 QC Daily Source Initial Source Readings

0 1000 2000 3000 4000 5000 6000 7000 8000 9000 2/14/17 3/6/17 3/26/17 4/15/17 5/5/17 5/25/17 6/14/17 7/4/17 7/24/17 8/13/17 9/2/17 9/22/17 cpm QC Date PR251740/SN262322, Daily QC Trend Graph Value

+20 %

Average

-20%

Instrument QA/QC Ludlum 2221/44-9 Source Ser. #

3974-02 Nuclide Co-60 Date Result (cpm)

P/F Date Result (cpm) 3/6/2017 10,128 Pass 3/6/2017 10,184 3/20/2017 10,692 Pass 3/6/2017 10,107 3/21/2017 11,062 Pass 3/6/2017 10,165 3/22/2017 11,257 Pass 3/6/2017 9,933 3/23/2017 11,033 Pass 3/6/2017 10,114 3/24/2017 11,197 Pass 3/6/2017 10,031 3/27/2017 10,411 Pass 3/6/2017 10,082 3/28/2017 10,447 Pass 3/6/2017 9,921 3/29/2017 10,260 Pass 3/6/2017 9,959 3/30/2017 10,443 Pass 3/6/2017 10,210 3/31/2017 10,263 Pass Average 4/3/2017 11,039 Pass 10071 4/4/2017 10,508 Pass 4/5/2017 10,273 Pass 4/6/2017 10,428 Pass 4/7/2017 10,789 Pass 4/10/2017 10,884 Pass 4/12/2013 10,400 Pass 4/13/2017 10,813 Pass 4/14/2017 10,666 Pass 4/17/2017 10,732 Pass 4/18/2017 10,715 Pass 4/19/2017 10,989 Pass 4/20/2017 10,972 Pass 4/21/2017 10,882 Pass 4/24/2017 10,939 Pass 4/25/2017 10,909 Pass 4/26/2017 10,504 Pass 4/27/2017 10,940 Pass 4/28/2017 10,315 Pass 5/1/2017 10,661 Pass 5/2/2017 10,672 Pass 5/3/2017 10,803 Pass 5/4/2017 10,636 Pass 5/5/2017 10,481 Pass 5/8/2017 10,703 Pass 5/9/2017 10,956 Pass 5/10/2017 10,463 Pass 5/11/2017 10,308 Pass 5/12/2017 10,527 Pass 5/15/2017 10,597 Pass 5/16/2017 10,415 Pass 5/17/2017 10,390 Pass 5/18/2017 10,449 Pass 5/19/2017 10,441 Pass 5/22/2017 10,888 Pass 5/23/2017 10,556 Pass 5/24/2017 10,384 Pass 5/25/2017 10,736 Pass 5/26/2017 10,646 Pass 5/30/2017 10,425 Pass 5/31/2017 10,060 Pass 6/1/2017 10,495 Pass 6/2/2017 10,323 Pass 6/5/2017 10,164 Pass 6/6/2017 9,928 Pass 6/7/2017 10,552 Pass 6/8/2017 10,826 Pass 6/9/2017 10,873 Pass 6/21/2017 9,896 Pass 6/22/2017 9,821 Pass 6/23/2017 10,140 Pass 6/26/2017 10,009 Pass 6/27/2017 9,803 Pass 6/28/2017 9,987 Pass 6/29/2017 10,298 Pass 8/21/2017 9,722 Pass 8/22/2017 9,918 Pass 8/23/2017 10,146 Pass 8/24/2017 9,926 Pass 8/25/2017 10,142 Pass 8/28/2017 9,628 Pass 8/29/2017 9,737 Pass 8/30/2017 10,096 Pass Inst.#PR251740/SN262322 Inst.#PR251740/SN262322 QC Daily Source Initial Source Readings

Instrument QA/QC Ludlum 2221/44-9 Source Ser. #

3974-02 Nuclide Co-60 Date Result (cpm)

P/F Date Result (cpm) 3/6/2017 10,128 Pass 3/6/2017 10,184 3/20/2017 10,692 Pass 3/6/2017 10,107 3/21/2017 11,062 Pass 3/6/2017 10,165 3/22/2017 11,257 Pass 3/6/2017 9,933 3/23/2017 11,033 Pass 3/6/2017 10,114 3/24/2017 11,197 Pass 3/6/2017 10,031 3/27/2017 10,411 Pass 3/6/2017 10,082 3/28/2017 10,447 Pass 3/6/2017 9,921 3/29/2017 10,260 Pass 3/6/2017 9,959 3/30/2017 10,443 Pass 3/6/2017 10,210 3/31/2017 10,263 Pass Average 4/3/2017 11,039 Pass 10071 4/4/2017 10,508 Pass 4/5/2017 10,273 Pass 4/6/2017 10,428 Pass 4/7/2017 10,789 Pass 4/10/2017 10,884 Pass 4/12/2017 10,400 Pass 4/13/2017 10,813 Pass 4/14/2017 10,666 Pass 4/17/2017 10,732 Pass 4/18/2017 10,715 Pass 4/19/2017 10,989 Pass 4/20/2017 10,972 Pass 4/21/2017 10,882 Pass 4/24/2017 10,939 Pass 4/25/2017 10,909 Pass 4/26/2017 10,504 Pass 4/27/2017 10,940 Pass 4/28/2017 10,315 Pass 5/1/2017 10,661 Pass 5/2/2017 10,672 Pass 5/3/2017 10,803 Pass 5/4/2017 10,636 Pass 5/5/2017 10,481 Pass 5/8/2017 10,703 Pass 5/9/2017 10,956 Pass 5/10/2017 10,463 Pass 5/11/2017 10,308 Pass 5/12/2017 10,527 Pass 5/15/2017 10,597 Pass 5/16/2017 10,415 Pass 5/17/2017 10,390 Pass 5/18/2017 10,449 Pass 5/19/2017 10,441 Pass 5/22/2017 10,888 Pass 5/23/2017 10,556 Pass 5/24/2017 10,384 Pass 5/25/2017 10,736 Pass 5/26/2017 10,646 Pass 5/30/2017 10,425 Pass 5/31/2017 10,060 Pass 6/1/2017 10,495 Pass 6/2/2017 10,323 Pass 6/5/2017 10,164 Pass 6/6/2017 9,928 Pass 6/7/2017 10,552 Pass 6/8/2017 10,826 Pass 6/9/2017 10,873 Pass 6/21/2017 9,896 Pass 6/22/2017 9,821 Pass 6/23/2017 10,140 Pass 6/26/2017 10,009 Pass 6/27/2017 9,803 Pass 6/28/2017 9,987 Pass 6/29/2017 10,298 Pass 8/21/2017 9,722 Pass 8/22/2017 9,918 Pass 8/23/2017 10,146 Pass 8/24/2017 9,926 Pass 8/25/2017 10,142 Pass 8/28/2017 9,628 Pass 8/29/2017 9,737 Pass 8/30/2017 10,096 Pass Inst.#PR251740/SN262322 Inst.#PR251740/SN262322 QC Daily Source Initial Source Readings

0 2,000 4,000 6,000 8,000 10,000 12,000 14,000 2/14/17 3/6/17 3/26/17 4/15/17 5/5/17 5/25/17 6/14/17 7/4/17 7/24/17 8/13/17 9/2/17 9/22/17 cpm QC Date Inst.#PR251740/SN262322, Daily QC Trend Graph Value

+20 %

Average

-20%

Ludlum2929200051with43101PR215948Alpha 0.3 NB=numberofbackgroundcountsduringintervalTB 1 TB=backgroundcountingtimeinminutes 1 TS=samplecountingtimeinminutes 0.368 =totalinstrumentefficiencyincountsperparticle 100 WA=activeareaofthedetectorwindowincm2 8.0 MDC=minimumdetectableconcentrationinDPM/100cm2

Ludlum2929200051with43101PR215948Beta 37.4 NB=numberofbackgroundcountsduringintervalTB 1 TB=backgroundcountingtimeinminutes 1 TS=samplecountingtimeinminutes 0.201 =totalinstrumentefficiencyincountsperparticle 100 WA=activeareaofthedetectorwindowincm2 33.9 MDC=minimumdetectableconcentrationinDPM/100cm2

ScanMDC Probearea 100 cm2 w

9.14 cm s

2 cm/s d'

1.4 unitless p

0.5 unitless b

2.40 cpm b

232.30 cpm i=

4.57 s aMDCR=

7.858709 bMDCR=

77.31614 aScanMDC=

100.8063 bScanMDC=

1144.938 s

w i

i i

b d

60 60 MDCR

100 Area Probe MDCR MDC Scan i

p

Ludlum222412272464393PR244549Alpha 2.4 NB=numberofbackgroundcountsduringintervalTB 1 TB=backgroundcountingtimeinminutes 1 TS=samplecountingtimeinminutes 0.441 i=instrumentefficiencyincountsperalphadecay 0.25 s=contaminatedsurfaceefficiencyinparticlesperdisintegration 0.110 =totalinstrumentefficiencyincountsperparticle 100 WA=activeareaofthedetectorwindowincm2 115 MDC=minimumdetectableconcentrationinDPM/100cm2

Index Ludlum222412272464393PR244549Beta 232 NB=numberofbackgroundcountsduringintervalTB 1 TB=backgroundcountingtimeinminutes 1 TS=samplecountingtimeinminutes 0.382 i=instrumentefficiencyincountsperalphadecay 0.25 s=contaminatedsurfaceefficiencyinparticlesperdisintegration 0.096 =totalinstrumentefficiencyincountsperparticle 100 WA=activeareaofthedetectorwindowincm2 799 MDC=minimumdetectableconcentrationinDPM/100cm2

ScanMDC Probearea 100 cm2 w

9.14 cm s

2 cm/s d'

1.4 unitless p

0.5 unitless b

0.30 cpm b

110.70 cpm i=

4.57 s aMDCR=

2.778473 bMDCR=

53.37272 aScanMDC=

39.59047 bScanMDC=

1217.426 s

w i

i i

b d

60 60 MDCR

100 Area Probe MDCR MDC Scan i

p

Ludlum23601849094393PR298426Alpha 0.3 NB=numberofbackgroundcountsduringintervalTB 1 TB=backgroundcountingtimeinminutes 1 TS=samplecountingtimeinminutes 0.397 i=instrumentefficiencyincountsperalphadecay 0.25 s=contaminatedsurfaceefficiencyinparticlesperdisintegration 0.099 =totalinstrumentefficiencyincountsperparticle 100 WA=activeareaofthedetectorwindowincm2 80 MDC=minimumdetectableconcentrationinDPM/100cm2

Index Ludlum23601849094393PR298426Beta 111 NB=numberofbackgroundcountsduringintervalTB 1 TB=backgroundcountingtimeinminutes 1 TS=samplecountingtimeinminutes 0.248 i=instrumentefficiencyincountsperalphadecay 0.25 s=contaminatedsurfaceefficiencyinparticlesperdisintegration 0.062 =totalinstrumentefficiencyincountsperparticle 100 WA=activeareaofthedetectorwindowincm2 877 MDC=minimumdetectableconcentrationinDPM/100cm2

ScanMDC Probearea 100 cm2 w

9.14 cm s

2 cm/s d'

1.4 unitless p

0.5 unitless b

1.00 cpm b

124.30 cpm i=

4.57 s aMDCR=

5.072775 bMDCR=

56.55632 aScanMDC=

65.51586 bScanMDC=

1189.334 s

w i

i i

b d

60 60 MDCR

100 Area Probe MDCR MDC Scan i

p

Ludlum23601936384393PR199836Alpha 1 NB=numberofbackgroundcountsduringintervalTB 1 TB=backgroundcountingtimeinminutes 1 TS=samplecountingtimeinminutes 0.438 i=instrumentefficiencyincountsperalphadecay 0.25 s=contaminatedsurfaceefficiencyinparticlesperdisintegration 0.110 =totalinstrumentefficiencyincountsperparticle 100 WA=activeareaofthedetectorwindowincm2 92 MDC=minimumdetectableconcentrationinDPM/100cm2

Ludlum23601936384393PR199836Beta 124 NB=numberofbackgroundcountsduringintervalTB 1 TB=backgroundcountingtimeinminutes 1 TS=samplecountingtimeinminutes 0.269 i=instrumentefficiencyincountsperalphadecay 0.25 s=contaminatedsurfaceefficiencyinparticlesperdisintegration 0.067 =totalinstrumentefficiencyincountsperparticle 100 WA=activeareaofthedetectorwindowincm2 852 MDC=minimumdetectableconcentrationinDPM/100cm2

ScanMDC Probearea 584 cm2 w

15.24 cm s

5 cm/s d'

1.4 unitless p

0.5 unitless b

2.70 cpm b

642.60 cpm i=

3.048 s aMDCR=

10.20653 bMDCR=

157.4587 aScanMDC=

37.59105 bScanMDC=

430.8493 s

w i

i i

b d

60 60 MDCR

100 Area Probe MDCR MDC Scan i

p

Ludlum23602024034337PR178371Alpha 2.7 NB=numberofbackgroundcountsduringintervalTB 1 TB=backgroundcountingtimeinminutes 1 TS=samplecountingtimeinminutes 0.263 i=instrumentefficiencyincountsperalphadecay 0.25 s=contaminatedsurfaceefficiencyinparticlesperdisintegration 0.066 =totalinstrumentefficiencyincountsperparticle 584 WA=activeareaofthedetectorwindowincm2 34 MDC=minimumdetectableconcentrationinDPM/100cm2

Ludlum23602024034337PR178371Alpha 642.6 NB=numberofbackgroundcountsduringintervalTB 1 TB=backgroundcountingtimeinminutes 1 TS=samplecountingtimeinminutes 0.354 i=instrumentefficiencyincountsperalphadecay 0.25 s=contaminatedsurfaceefficiencyinparticlesperdisintegration 0.089 =totalinstrumentefficiencyincountsperparticle 584 WA=activeareaofthedetectorwindowincm2 239 MDC=minimumdetectableconcentrationinDPM/100cm2

ScanMDC Probearea 584 cm2 w

15.24 cm s

5 cm/s d'

1.4 unitless p

0.5 unitless b

2.80 cpm b

563.90 cpm i=

3.048 s aMDCR=

10.39382 bMDCR=

147.5018 aScanMDC=

36.61041 bScanMDC=

403.6046 s

w i

i i

b d

60 60 MDCR

100 Area Probe MDCR MDC Scan i

p

Ludlum23602785864337PR216982Alpha 2.8 NB=numberofbackgroundcountsduringintervalTB 1 TB=backgroundcountingtimeinminutes 1 TS=samplecountingtimeinminutes 0.275 i=instrumentefficiencyincountsperalphadecay 0.25 s=contaminatedsurfaceefficiencyinparticlesperdisintegration 0.069 =totalinstrumentefficiencyincountsperparticle 584 WA=activeareaofthedetectorwindowincm2 33 MDC=minimumdetectableconcentrationinDPM/100cm2

Ludlum23602785864337PR216982Alpha 563.9 NB=numberofbackgroundcountsduringintervalTB 1 TB=backgroundcountingtimeinminutes 1 TS=samplecountingtimeinminutes 0.354 i=instrumentefficiencyincountsperalphadecay 0.25 s=contaminatedsurfaceefficiencyinparticlesperdisintegration 0.089 =totalinstrumentefficiencyincountsperparticle 584 WA=activeareaofthedetectorwindowincm2 224 MDC=minimumdetectableconcentrationinDPM/100cm2