Name Confidence (keV) (%) (Bq /kg ) Uncertainty

ANN 0.942 511.00* 88.00 8.161E-001 1.340E-001 K-40 0.986 1460.81* 10.67 6.065E+000 1.256E+000 CS-137 1.000 661.65* 85.12 4.941E+000 3.865E-001 BI-212 0.977 39.86* 1.10 4.514E+001 4.043E+001 727.17* 11.80 2.317E+000 7.283E-001 785.42* 2.00 4.154E+000 4.425E+000 1620.56 2.75 PB-212 0.604 74.81 9.60 77.11* 17.50 2.341E+000 7.718E-001 87.20 6.30 89.80 1.75 115.19* 0.60 5.453E+002 5.955E+001 238.63* 44.60 3.709E-001 1.531E-001 300.09 3.41 BI-214 0.775 609.31* 46.30 6.194E-001 2.011E-001 768.36* 5.04 8.016E-001 1.781E+000 806.17 1.23 934.06* 3.21 1.642E+001 2.909E+000 1120.29* 15.10 5.039E+000 6.738E-001 1155.19 1.69 1238.11 5.94 1280.96* 1.47 2.433E+000 2.708E+000 1377.67 4.11 1385.31 0.78 1401.50 1.39 1407.98* 2.48 1.405E+000 2.759E+000 1509.19* 2.19 1.932E+000 3.831E+000 1661.28 1.15 1729.60 3.05 1764.49 15.80 1847.44 2.12 2118.54 1.21 PB-214 0.742 74.81 6.33 77.11* 10.70 3.828E+000 1.262E+000 87.20 3.70 89.80 1.03 241.98* 7.49 2.208E+000 9.116E-001 295.21* 19.20 8.925E-001 2.140E-001 351.92* 37.20 1.845E+000 4.006E-001 785.91* 1.10 7.552E+000 8.045E+000 RA-226 0.994 186.21* 3.28 1.492E+000 1.480E+000 AC-228 0.171 57.76* 0.49 1.299E+003 6.451E+002

Nuclide Identification Report 12-03-2015 3:24:19 PM Page 2

Nuclide Id Energy Yield Activity Activity Name Confidence (keV) (%) (Bq /kg ) Uncertainty

AC-228 0.171 89.95 1.94 93.35 3.20 99.50 1.28 105.00 1.47 129.07 2.45 145.85 0.16 153.98* 0.74 1.042E+003 2.071E+002 191.35* 0.13 3.038E+003 7.528E+002 199.41 0.32 204.03 0.12 209.25* 3.88 4.704E+002 7.238E+001 270.24 3.43 278.95* 0.20 2.221E+003 8.495E+002 321.65* 0.23 6.757E+002 3.640E+002 327.60 0.11 327.99 2.95 332.37 0.37 338.32 11.30 340.97 0.38 409.46* 1.94 2.196E+002 9.143E+001 440.45 0.13 463.01 4.44 478.30 0.22 503.82 0.19 508.96 0.47 523.13 0.11 546.45 0.21 562.50* 0.87 7.461E+002 2.535E+002 570.91 0.17 572.29 0.15 583.41 0.11 674.63* 0.10 2.590E+003 1.346E+003 701.75* 0.18 7.135E+001 8.381E+002 707.41* 0.16 1.958E+003 8.503E+002 726.86* 0.64 7.940E+002 2.686E+002 755.32 1.01 772.29* 1.50 5.005E+001 1.112E+002 782.14* 0.50 3.088E+002 3.292E+002 794.95 4.34 830.49 0.55 835.71* 1.68 3.481E+003 3.336E+002 840.38 0.94 904.20* 0.78 3.589E+002 1.760E+002 911.21* 26.60 4.182E+000 5.009E+000 947.98 0.11 958.61 0.29 964.77 5.11 968.97* 16.20 3.154E+001 1.032E+001 988.43* 0.13 1.573E+003 9.062E+002 1033.25* 0.21 2.486E+003 7.791E+002 1065.17* 0.14 8.438E+002 6.925E+002

Nuclide Identification Report 12-03-2015 3:24:19 PM Page 3

Nuclide Id Energy Yield Activity Activity Name Confidence (keV) (%) (Bq /kg ) Uncertainty

AC-228 0.171 1095.68 0.13 1110.61 0.31 1153.52 0.14 1247.08 0.50 1459.14* 0.80 1.503E+003 3.163E+002 1495.91 0.89 1501.58 0.47 1557.11 0.18 1580.54 0.61 1588.21* 3.27 5.193E+001 5.535E+001 1625.00 0.26 1630.63 1.60 1638.28 0.47 1666.52 0.18 U-235 0.567 89.96 1.50 93.35 2.50 105.00 1.00 109.14* 1.50 2.181E+002 2.382E+001 143.76 10.50 163.35 4.70 185.71* 54.00 9.064E-002 8.991E-002 202.12 1.00 205.31* 4.70 2.090E+001 3.622E+000 AM-241 0.896 59.54* 36.30 9.438E-001 4.649E-001

* = Energy line found in the spectrum. Energy Tolerance : 4.000 keV Nuclide confidence index threshold = 0.10 Errors quoted at 1.000 sigma

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Peak Locate Performed on: 12-03-2015 3:23:42 PM Peak Locate From Channel: 1 Peak Locate To Channel: 4096

Peak Energy Peak Size in Peak CPS Peak Tol. No. (keV) Counts per Second % Uncertainty Type Nuclide

3 69.03 3.2208E-003 21.31 6 137.61 1.7486E-002 7.78 Sum 8 168.57 3.6016E-003 28.32 Sum 9 175.92 9.7687E-004 72.72 10 180.46 9.4352E-004 54.29 14 227.58 3.6545E-003 26.28 Sum 16 250.20 7.1022E-003 15.77 Sum 19 306.43 9.0446E-003 13.21 Sum 22 369.20 5.1650E-003 18.52 Sum 23 385.67 7.7330E-003 14.16 D-Esc. 25 421.81 4.4587E-003 22.22 Sum 26 433.27 3.4089E-003 18.82 Sum 27 446.10 1.6845E-003 48.98 Sum 28 458.72 4.5463E-003 22.23 Sum