Mass Absorption Coefficients for L-alpha X-rays
                             April 22, 1989   8:18 AM

                               Absorbed Radiation (KeV)
          61     62     63     64     65     66     67     68     69     70
         Pm L   Sm L   Eu L   Gd L   Tb L   Dy L   Ho L   Er L   Tm L   Yb L
         5.43   5.64   5.85   6.06   6.28   6.50   6.72   6.95   7.18   7.42
absorber
  3 Li   1.26   1.13   1.01   0.91   0.81   0.73   0.66   0.60   0.54   0.49
  4 Be   3.33   2.97   2.66   2.39   2.15   1.94   1.75   1.58   1.43   1.30
  5 B    7.06   6.31   5.65   5.07   4.56   4.11   3.70   3.35   3.03   2.75

  6 C    14.1   12.5   11.2   10.0   8.99   8.08   7.27   6.56   5.92   5.36
  7 N    22.9   20.4   18.3   16.4   14.7   13.2   11.9   10.7   9.71   8.81
  8 O    34.9   31.1   27.9   25.0   22.5   20.2   18.2   16.5   14.9   13.5
  9 F    50.6   45.2   40.5   36.3   32.7   29.5   26.6   24.0   21.8   19.7
 10 Ne   70.5   63.1   56.6   50.8   45.7   41.2   37.2   33.7   30.5   27.7

 11 Na   95.4   85.4   76.6   68.8   62.0   55.9   50.5   45.7   41.4   37.7
 12 Mg    126    113    103   93.1   84.5   73.8   66.7   60.4   54.8   49.8
 13 Al    154    139    126    114    100   90.4   81.7   74.1   67.2   61.1
 14 Si    187    169    153    138    124    112    102   92.1   83.6   76.1
 15 P     223    202    183    166    150    137    124    113    102   93.2

 16 S     264    238    216    196    178    162    147    135    123    113
 17 Cl    309    279    252    229    208    189    172    157    144    132
 18 Ar    358    323    293    265    241    219    200    183    167    153
 19 K     412    372    336    305    277    252    230    210    192    176
 20 Ca    470    424    384    348    317    288    262    240    219    201

 21 Sc    533    482    436    395    359    327    298    272    248    227
 22 Ti    601    543    492    446    405    369    336    307    280    257
 23 V    77.6    609    551    500    454    413    377    344    314    288
 24 Cr   87.3   78.8   71.4    558    507    461    420    384    351    321
 25 Mn   98.2   88.7   80.3   72.8   66.2   60.3    467    426    390    357

 26 Fe    110   99.2   89.8   81.5   74.0   67.4   61.4   56.1    431    395
 27 Co    122    110   99.8   90.5   82.3   74.9   68.2   62.3   56.9   52.2
 28 Ni    135    122    110    100   91.0   82.8   75.4   68.9   62.9   57.7
 29 Cu    149    135    122    110    100   91.4   83.3   76.0   69.5   63.7
 30 Zn    164    149    134    122    111    101   91.9   83.9   76.7   70.3

 31 Ga    181    164    148    134    122    111    101   92.4   84.5   77.4
 32 Ge    200    181    163    148    135    123    112    102   93.2   85.4
 33 As    218    197    179    162    147    134    122    111    102   93.3
 34 Se    239    216    196    178    161    147    134    122    112    102
 35 Br    261    236    213    193    176    160    146    133    122    111

 36 Kr    284    257    232    211    192    174    159    145    133    121
 37 Rb    309    279    253    229    208    190    173    158    144    132
 38 Sr    335    303    274    248    226    205    187    171    156    143
 39 Y     362    327    296    269    244    222    202    185    169    155
 40 Zr    390    353    319    289    263    239    218    199    182    167
____


                                                                       Page 2
                  Mass Absorption Coefficients for L-alpha X-rays
                             April 22, 1989   8:18 AM

                               Absorbed Radiation (KeV)
          61     62     63     64     65     66     67     68     69     70
         Pm L   Sm L   Eu L   Gd L   Tb L   Dy L   Ho L   Er L   Tm L   Yb L
         5.43   5.64   5.85   6.06   6.28   6.50   6.72   6.95   7.18   7.42
absorber
 41 Nb    420    379    343    311    283    258    235    214    196    179
 42 Mo    450    407    368    334    303    276    252    230    210    192
 43 Tc    482    436    395    358    325    296    270    246    225    206
 44 Ru    516    466    422    383    348    316    288    263    241    220
 45 Rh    551    498    450    408    371    338    308    281    257    235

 46 Pd    583    527    477    433    393    358    326    298    272    250
 47 Ag    616    557    505    458    416    379    346    316    289    265
 48 Cd    652    589    534    485    441    402    366    335    306    281
 49 In    688    622    564    512    466    425    387    354    324    297
 50 Sn    726    657    595    540    492    448    409    374    342    314

 51 Sb    764    692    627    570    519    473    432    395    361    331
 52 Te    804    728    660    600    546    498    455    416    381    350
 53 I     844    765    694    631    574    524    479    438    401    368
 54 Xe    801    803    729    663    604    551    503    461    422    388
 55 Cs    844    766    763    694    632    577    527    483    442    406

 56 Ba    670    807    734    730    665    607    555    508    465    427
 57 La    214    644    591    702    699    638    583    533    489    449
 58 Ce    226    205    619    569    673    615    611    560    513    471
 59 Pr    239    217    197    595    548    645    590    586    537    493
 60 Nd    250    227    206    188    573    528    487    567    562    516

 61 Pm    258    234    213    195    178    552    509    471    544    501
 62 Sm    270    245    223    203    186    170    531    491    454    524
 63 Eu    283    257    234    213    195    178    163    150    473    439
 64 Gd    296    269    245    224    204    187    171    157    144    457
 65 Tb    311    283    257    235    214    196    180    165    151    140

 66 Dy    325    295    268    245    224    205    188    172    158    146
 67 Ho    338    308    280    255    233    214    196    180    165    152
 68 Er    352    320    291    265    243    222    203    187    171    158
 69 Tm    369    335    305    278    254    233    213    196    180    165
 70 Yb    385    349    318    290    265    243    222    204    187    172

 71 Lu    400    364    331    302    276    253    231    212    195    180
 72 Hf    419    381    347    316    289    264    242    222    204    188
 73 Ta    437    397    362    330    301    276    253    232    213    196
 74 W     456    415    377    344    314    288    264    242    222    205
 75 Re    475    432    393    359    328    300    275    252    232    213

 76 Os    495    450    410    374    341    312    286    263    241    222
 77 Ir    516    469    427    390    356    326    298    274    252    232
 78 Pt    537    488    444    405    370    339    310    285    262    241
 79 Au    559    508    463    422    385    353    323    297    272    251
 80 Hg    582    529    482    439    401    367    336    309    284    261
____


                                                                       Page 3
                  Mass Absorption Coefficients for L-alpha X-rays
                             April 22, 1989   8:18 AM

                               Absorbed Radiation (KeV)
          61     62     63     64     65     66     67     68     69     70
         Pm L   Sm L   Eu L   Gd L   Tb L   Dy L   Ho L   Er L   Tm L   Yb L
         5.43   5.64   5.85   6.06   6.28   6.50   6.72   6.95   7.18   7.42
absorber
 81 Tl    606    551    502    457    418    383    350    322    295    272
 82 Pb    631    573    522    476    435    398    365    335    307    283
 83 Bi    656    596    543    495    452    414    379    348    320    294
 84 Po    681    619    564    514    470    430    394    361    332    306
 85 At    710    645    587    535    489    448    410    376    346    318

 86 Rn    737    670    610    556    508    465    426    391    359    331
 87 Fr    766    696    633    578    528    483    442    406    373    343
 88 Ra    794    721    657    599    547    501    459    421    387    356
 89 Ac    824    749    682    622    568    520    476    437    401    370
 90 Th    854    776    706    644    589    539    493    453    416    383

 91 Pa    884    804    732    667    610    558    511    469    431    397
 92 U     769    831    756    690    630    577    528    485    445    410
 93 Np    796    727    780    712    650    595    545    500    459    423
 94 Pu    676    750    686    737    674    617    565    518    476    438
____


                                                                       Page 4
                  Mass Absorption Coefficients for L-alpha X-rays
                             April 22, 1989   8:18 AM

                               Absorbed Radiation (KeV)
          71     72     73     74     75     76     77     78     79     80
         Lu L   Hf L   Ta L    W L   Re L   Os L   Ir L   Pt L   Au L   Hg L
         7.66   7.90   8.15   8.40   8.65   8.91   9.18   9.44   9.71   9.99
absorber
  3 Li   0.45   0.41   0.37   0.34   0.31   0.28   0.26   0.24   0.22   0.20
  4 Be   1.18   1.07   0.97   0.89   0.81   0.74   0.68   0.62   0.57   0.53
  5 B    2.50   2.27   2.07   1.89   1.72   1.58   1.44   1.32   1.21   1.12

  6 C    4.86   4.41   4.01   3.65   3.33   3.04   2.78   2.54   2.33   2.13
  7 N    7.99   7.25   6.60   6.01   5.49   5.01   4.58   4.20   3.85   3.53
  8 O    12.3   11.2   10.2   9.27   8.46   7.73   7.08   6.49   5.95   5.47
  9 F    17.9   16.3   14.9   13.6   12.4   11.3   10.4   9.52   8.74   8.03
 10 Ne   25.2   22.9   20.9   19.1   17.4   16.0   14.6   13.4   12.3   11.3

 11 Na   34.2   31.2   28.5   26.0   23.8   21.8   20.0   18.3   16.8   15.5
 12 Mg   45.3   41.3   37.7   34.4   31.5   28.9   26.5   24.3   22.4   20.6
 13 Al   55.6   50.7   46.3   42.3   38.8   35.5   32.6   30.0   27.6   25.4
 14 Si   69.3   63.2   57.7   52.8   48.3   44.3   40.7   37.4   34.4   31.7
 15 P    84.9   77.5   70.8   64.8   59.3   54.4   50.0   45.9   42.3   39.0

 16 S     103   93.8   85.7   78.5   71.9   66.0   60.6   55.7   51.3   47.3
 17 Cl    121    111    102   93.8   86.1   79.0   72.6   66.8   61.6   56.7
 18 Ar    140    129    118    109    100   92.4   85.3   78.9   73.1   67.4
 19 K     161    148    136    125    115    106   98.1   90.7   84.0   77.8
 20 Ca    184    169    155    143    132    121    112    104   95.9   88.8

 21 Sc    208    191    176    162    149    138    127    117    109    101
 22 Ti    235    216    198    183    168    155    143    132    123    114
 23 V     264    242    223    205    189    174    161    149    138    127
 24 Cr    294    270    248    229    211    194    179    166    154    142
 25 Mn    327    300    276    254    234    216    199    184    171    158

 26 Fe    362    332    305    281    259    239    221    204    189    175
 27 Co   47.8    366    337    310    286    263    243    225    208    193
 28 Ni   52.9   48.5   44.6    340    314    289    267    247    229    212
 29 Cu   58.3   53.6   49.2   45.3   41.8   38.5    293    271    250    232
 30 Zn   64.4   59.1   54.4   50.0   46.1   42.5   39.3   36.3    273    253

 31 Ga   70.9   65.1   59.9   55.1   50.8   46.9   43.3   40.0   37.0   34.3
 32 Ge   78.3   71.9   66.1   60.8   56.0   51.7   47.8   44.2   40.9   37.9
 33 As   85.5   78.5   72.2   66.4   61.2   56.5   52.2   48.2   44.7   41.4
 34 Se   93.8   86.1   79.1   72.8   67.1   61.9   57.2   52.9   49.0   45.3
 35 Br    102   93.8   86.2   79.4   73.2   67.5   62.3   57.6   53.4   49.4

 36 Kr    111    102   94.0   86.5   79.7   73.5   67.9   62.8   58.1   53.9
 37 Rb    121    111    102   94.0   86.6   79.9   73.8   68.2   63.2   58.5
 38 Sr    131    120    111    102   93.9   86.6   80.0   74.0   68.5   63.5
 39 Y     142    130    120    110    102   93.7   86.5   80.0   74.1   68.6
 40 Zr    153    140    129    119    109    101   93.3   86.2   79.8   73.9
____


                                                                       Page 5
                  Mass Absorption Coefficients for L-alpha X-rays
                             April 22, 1989   8:18 AM

                               Absorbed Radiation (KeV)
          71     72     73     74     75     76     77     78     79     80
         Lu L   Hf L   Ta L    W L   Re L   Os L   Ir L   Pt L   Au L   Hg L
         7.66   7.90   8.15   8.40   8.65   8.91   9.18   9.44   9.71   9.99
absorber
 41 Nb    164    151    139    128    118    109    100   92.8   85.9   79.5
 42 Mo    176    162    149    137    126    116    108   99.5   92.1   85.3
 43 Tc    189    174    159    147    135    125    115    107   98.7   91.4
 44 Ru    202    186    171    157    145    133    123    114    106   97.7
 45 Rh    216    198    182    168    154    142    132    122    113    104

 46 Pd    229    210    193    178    164    151    140    129    120    111
 47 Ag    243    223    205    189    174    161    149    137    127    118
 48 Cd    257    237    218    200    185    171    158    146    135    125
 49 In    273    250    230    212    196    181    167    155    143    133
 50 Sn    288    265    244    225    207    191    177    164    152    141

 51 Sb    304    280    258    237    219    202    187    173    161    149
 52 Te    321    295    272    251    231    214    198    183    170    158
 53 I     338    311    287    264    244    226    209    193    179    166
 54 Xe    356    328    302    278    257    238    220    204    189    176
 55 Cs    373    344    317    292    270    250    231    214    199    184

 56 Ba    393    361    333    307    284    263    243    225    209    194
 57 La    413    380    350    323    298    276    255    237    220    204
 58 Ce    433    398    367    339    313    289    268    248    230    214
 59 Pr    453    417    385    355    328    303    281    260    241    224
 60 Nd    474    437    402    371    343    317    294    272    253    234

 61 Pm    496    457    421    388    359    332    307    285    264    245
 62 Sm    482    478    440    406    375    347    321    298    276    256
 63 Eu    504    464    460    424    392    362    335    311    288    268
 64 Gd    424    394    447    442    409    378    350    324    301    279
 65 Tb    441    410    381    431    399    394    365    338    314    291

 66 Dy    134    426    397    369    416    385    380    352    327    304
 67 Ho    140    129    412    384    358    334    372    367    341    316
 68 Er    145    134    124    398    371    346    323    360    334    329
 69 Tm    152    141    130    120    385    359    336    314    348    323
 70 Yb    159    147    135    125    116    107    348    325    304    336

 71 Lu    165    153    141    130    121    112    104    337    315    295
 72 Hf    173    160    148    136    126    117    109    101    327    306
 73 Ta    181    167    154    142    132    122    113    105   97.9    317
 74 W     189    174    161    149    138    127    118    110    102   95.0
 75 Re    196    181    167    155    143    133    123    114    106   99.0

 76 Os    205    189    174    161    149    138    128    119    111    103
 77 Ir    213    197    182    168    156    144    134    124    116    108
 78 Pt    222    205    189    175    162    150    139    129    120    112
 79 Au    231    213    197    182    169    156    145    135    125    116
 80 Hg    241    222    205    190    176    163    151    140    130    121
____


                                                                       Page 6
                  Mass Absorption Coefficients for L-alpha X-rays
                             April 22, 1989   8:18 AM

                               Absorbed Radiation (KeV)
          71     72     73     74     75     76     77     78     79     80
         Lu L   Hf L   Ta L    W L   Re L   Os L   Ir L   Pt L   Au L   Hg L
         7.66   7.90   8.15   8.40   8.65   8.91   9.18   9.44   9.71   9.99
absorber
 81 Tl    251    231    213    197    183    169    157    146    136    126
 82 Pb    261    241    222    205    190    176    164    152    141    131
 83 Bi    271    250    231    214    198    183    170    158    147    137
 84 Po    282    260    240    222    205    190    177    164    153    142
 85 At    293    270    250    231    214    198    184    171    159    148

 86 Rn    305    281    260    240    222    206    191    177    165    154
 87 Fr    316    292    270    249    231    214    198    184    171    159
 88 Ra    328    303    280    258    239    222    206    191    178    165
 89 Ac    340    314    290    268    248    230    214    198    184    172
 90 Th    353    325    301    278    257    239    221    206    191    178

 91 Pa    365    337    311    288    267    247    229    213    198    184
 92 U     378    349    322    298    276    255    237    220    205    190
 93 Np    390    360    332    307    284    264    245    227    211    196
 94 Pu    404    373    344    318    295    273    253    235    219    204
____


                                                                       Page 7
                  Mass Absorption Coefficients for L-alpha X-rays
                             April 22, 1989   8:18 AM

                               Absorbed Radiation (KeV)
          81     82     83     84     85     86     87     88     89     90
         Tl L   Pb L   Bi L   Po L   At L   Rn L   Fr L   Ra L   Ac L   Th L
        10.27  10.55  10.84  11.13  11.43  11.73  12.03  12.34  12.65  12.97
absorber
  3 Li   0.18   0.17   0.16   0.14   0.13   0.12   0.11   0.11  0.097  0.090
  4 Be   0.48   0.45   0.41   0.38   0.35   0.32   0.30   0.28   0.26   0.24
  5 B    1.03   0.94   0.87   0.80   0.74   0.69   0.64   0.59   0.55   0.51

  6 C    1.96   1.80   1.66   1.53   1.41   1.30   1.20   1.11   1.03   0.95
  7 N    3.25   2.99   2.75   2.54   2.34   2.16   2.00   1.85   1.71   1.59
  8 O    5.03   4.63   4.26   3.93   3.63   3.35   3.11   2.88   2.66   2.47
  9 F    7.39   6.81   6.28   5.80   5.35   4.95   4.59   4.25   3.94   3.65
 10 Ne   10.4   9.62   8.88   8.20   7.58   7.00   6.50   6.02   5.58   5.18

 11 Na   14.3   13.2   12.1   11.2   10.4   9.59   8.91   8.25   7.66   7.11
 12 Mg   19.0   17.5   16.2   14.9   13.8   12.8   11.9   11.0   10.2   9.49
 13 Al   23.4   21.6   19.9   18.4   17.1   15.8   14.7   13.6   12.6   11.7
 14 Si   29.2   27.0   24.9   23.1   21.3   19.8   18.4   17.0   15.8   14.7
 15 P    35.9   33.2   30.7   28.4   26.3   24.4   22.6   21.0   19.5   18.2

 16 S    43.6   40.3   37.3   34.5   32.0   29.6   27.5   25.6   23.8   22.1
 17 Cl   52.4   48.4   44.8   41.5   38.4   35.6   33.1   30.7   28.6   26.6
 18 Ar   62.2   57.5   53.2   49.3   45.6   42.3   39.4   36.6   34.0   31.6
 19 K    72.1   67.0   62.2   58.0   53.8   49.9   46.4   43.1   40.1   37.3
 20 Ca   82.3   76.5   71.0   66.1   61.5   57.2   53.5   49.9   46.5   43.5

 21 Sc   93.4   86.7   80.6   75.0   69.7   64.9   60.7   56.6   52.8   49.3
 22 Ti    105   97.8   90.9   84.5   78.7   73.2   68.4   63.8   59.5   55.6
 23 V     118    110    102   94.8   88.2   82.1   76.7   71.6   66.8   62.4
 24 Cr    132    122    114    106   98.5   91.7   85.6   79.9   74.5   69.5
 25 Mn    147    136    126    118    109    102   95.2   88.8   82.8   77.2

 26 Fe    162    151    140    130    121    113    105   98.2   91.6   85.3
 27 Co    179    166    154    143    134    124    116    108    101   93.9
 28 Ni    196    182    169    158    147    137    128    119    111    103
 29 Cu    215    200    186    173    161    149    140    130    121    113
 30 Zn    235    218    203    188    175    163    152    142    132    123

 31 Ga   31.8    237    220    205    191    178    166    154    143    134
 32 Ge   35.1   32.6   30.3    223    207    193    180    167    156    145
 33 As   38.4   35.6   33.1   30.8   28.7   26.7    195    181    168    157
 34 Se   42.1   39.1   36.3   33.8   31.4   29.3   27.3   25.5   23.8    169
 35 Br   45.8   42.6   39.6   36.8   34.2   31.9   29.8   27.8   25.9   24.2

 36 Kr   49.9   46.4   43.1   40.1   37.3   34.7   32.5   30.3   28.3   26.4
 37 Rb   54.3   50.4   46.8   43.6   40.5   37.7   35.3   32.9   30.7   28.7
 38 Sr   58.8   54.6   50.8   47.2   44.0   40.9   38.2   35.7   33.3   31.1
 39 Y    63.6   59.1   54.9   51.1   47.5   44.3   41.3   38.6   36.0   33.6
 40 Zr   68.6   63.7   59.2   55.0   51.2   47.7   44.6   41.6   38.8   36.3
____


                                                                       Page 8
                  Mass Absorption Coefficients for L-alpha X-rays
                             April 22, 1989   8:18 AM

                               Absorbed Radiation (KeV)
          81     82     83     84     85     86     87     88     89     90
         Tl L   Pb L   Bi L   Po L   At L   Rn L   Fr L   Ra L   Ac L   Th L
        10.27  10.55  10.84  11.13  11.43  11.73  12.03  12.34  12.65  12.97
absorber
 41 Nb   73.8   68.5   63.7   59.2   55.1   51.3   47.9   44.7   41.7   39.0
 42 Mo   79.1   73.5   68.3   63.5   59.1   55.0   51.4   47.9   44.8   41.8
 43 Tc   84.8   78.7   73.1   68.1   63.3   59.0   55.1   51.4   48.0   44.8
 44 Ru   90.6   84.2   78.2   72.8   67.7   63.0   58.9   54.9   51.3   47.9
 45 Rh   96.8   89.9   83.5   77.7   72.3   67.3   62.9   58.6   54.7   51.2

 46 Pd    103   95.6   88.9   82.7   77.0   71.7   67.0   62.5   58.3   54.5
 47 Ag    109    102   94.5   88.0   81.9   76.3   71.3   66.5   62.1   58.1
 48 Cd    116    108    100   93.5   87.1   81.1   75.9   70.8   66.1   61.8
 49 In    123    115    107   99.3   92.5   86.2   80.6   75.2   70.3   65.7
 50 Sn    131    122    113    105   98.1   91.5   85.5   79.9   74.6   69.8

 51 Sb    138    129    120    112    104   96.9   90.6   84.6   79.1   74.0
 52 Te    146    136    127    118    110    103   96.0   89.6   83.8   78.4
 53 I     155    144    134    125    116    108    101   94.8   88.6   83.0
 54 Xe    163    152    141    132    123    115    107    100   93.7   87.7
 55 Cs    171    160    149    138    129    120    113    105   98.6   92.3

 56 Ba    180    168    156    146    136    127    119    111    104   97.1
 57 La    189    176    164    153    143    133    125    117    109    102
 58 Ce    199    185    172    161    150    140    131    122    114    107
 59 Pr    208    194    180    168    157    146    137    128    120    112
 60 Nd    218    203    189    176    164    153    143    134    125    117

 61 Pm    228    212    198    184    172    160    150    140    131    123
 62 Sm    238    222    206    193    180    167    157    147    137    128
 63 Eu    249    232    216    201    187    175    164    153    143    134
 64 Gd    260    242    225    210    196    183    171    160    149    140
 65 Tb    271    252    235    219    204    190    178    167    156    146

 66 Dy    282    263    245    228    213    198    186    174    162    152
 67 Ho    294    274    255    237    221    207    193    181    169    158
 68 Er    306    285    265    247    231    215    201    188    176    165
 69 Tm    318    296    276    257    240    224    209    196    183    171
 70 Yb    313    308    287    267    249    233    218    203    190    178

 71 Lu    277    303    282    278    259    242    226    211    198    185
 72 Hf    287    269    294    274    269    251    235    220    206    192
 73 Ta    297    279    261    246    266    261    244    228    213    200
 74 W     307    288    271    254    239    258    242    237    222    207
 75 Re   92.2    298    280    263    247    232    251    235    230    215

 76 Os   96.1   89.6   83.6    272    256    240    227    213    228    223
 77 Ir    100   93.4   87.2   81.4    264    248    234    220    208    222
 78 Pt    104   97.2   90.7   84.7   79.1    256    242    228    215    202
 79 Au    108    101   94.4   88.2   82.4   77.0    250    235    222    209
 80 Hg    113    105   98.3   91.8   85.8   80.2   75.2    243    229    216
____


                                                                       Page 9
                  Mass Absorption Coefficients for L-alpha X-rays
                             April 22, 1989   8:18 AM

                               Absorbed Radiation (KeV)
          81     82     83     84     85     86     87     88     89     90
         Tl L   Pb L   Bi L   Po L   At L   Rn L   Fr L   Ra L   Ac L   Th L
        10.27  10.55  10.84  11.13  11.43  11.73  12.03  12.34  12.65  12.97
absorber
 81 Tl    118    110    102   95.6   89.3   83.5   78.3   73.3   68.7    223
 82 Pb    122    114    107   99.5   93.0   86.9   81.5   76.3   71.5   67.1
 83 Bi    127    119    111    103   96.7   90.4   84.7   79.4   74.4   69.8
 84 Po    132    123    115    107    100   93.8   88.0   82.4   77.2   72.5
 85 At    138    128    120    112    105   97.7   91.6   85.8   80.4   75.4

 86 Rn    143    133    124    116    109    102   95.2   89.2   83.6   78.4
 87 Fr    148    138    129    121    113    105   98.9   92.6   86.8   81.4
 88 Ra    154    144    134    125    117    109    103   96.0   90.0   84.4
 89 Ac    160    149    139    130    121    113    106   99.7   93.4   87.6
 90 Th    166    154    144    135    126    118    110    103   96.8   90.8

 91 Pa    172    160    149    139    130    122    114    107    100   94.0
 92 U     177    165    154    144    135    126    118    111    104   97.2
 93 Np    183    171    159    149    139    130    122    114    107    100
 94 Pu    190    177    165    154    144    135    126    118    111    104
____


                                                                       Page 10
                  Mass Absorption Coefficients for L-alpha X-rays
                             April 22, 1989   8:18 AM

                               Absorbed Radiation (KeV)
          91     92     93     94
         Pa L    U L   Np L   Pu L
        13.29  13.62  13.95  14.28
absorber
  3 Li  0.084  0.078  0.072  0.067
  4 Be   0.22   0.21   0.19   0.18
  5 B    0.47   0.44   0.41   0.38

  6 C    0.88   0.82   0.76   0.71
  7 N    1.47   1.37   1.27   1.18
  8 O    2.29   2.13   1.98   1.84
  9 F    3.39   3.15   2.93   2.73
 10 Ne   4.82   4.48   4.17   3.88

 11 Na   6.61   6.15   5.72   5.33
 12 Mg   8.83   8.21   7.65   7.13
 13 Al   10.9   10.2   9.47   8.83
 14 Si   13.7   12.7   11.9   11.1
 15 P    16.9   15.7   14.7   13.7

 16 S    20.6   19.2   17.9   16.7
 17 Cl   24.8   23.1   21.5   20.1
 18 Ar   29.5   27.5   25.6   23.9
 19 K    34.8   32.4   30.2   28.2
 20 Ca   40.7   38.0   35.5   33.2

 21 Sc   46.1   43.0   40.2   37.6
 22 Ti   52.0   48.5   45.3   42.3
 23 V    58.2   54.3   50.7   47.4
 24 Cr   64.9   60.5   56.5   52.8
 25 Mn   72.0   67.2   62.7   58.6

 26 Fe   79.6   74.3   69.3   64.8
 27 Co   87.6   81.8   76.4   71.4
 28 Ni   96.2   89.7   83.8   78.3
 29 Cu    105   98.1   91.6   85.7
 30 Zn    115    107   99.9   93.4

 31 Ga    125    116    109    102
 32 Ge    135    126    118    110
 33 As    146    137    127    119
 34 Se    158    147    138    129
 35 Br   22.7    159    148    138

 36 Kr   24.7   23.1   21.7   20.3
 37 Rb   26.9   25.1   23.5   22.1
 38 Sr   29.1   27.2   25.5   23.9
 39 Y    31.5   29.5   27.6   25.9
 40 Zr   33.9   31.7   29.7   27.9
____


                                                                       Page 11
                  Mass Absorption Coefficients for L-alpha X-rays
                             April 22, 1989   8:18 AM

                               Absorbed Radiation (KeV)
          91     92     93     94
         Pa L    U L   Np L   Pu L
        13.29  13.62  13.95  14.28
absorber
 41 Nb   36.5   34.1   32.0   30.0
 42 Mo   39.1   36.6   34.3   32.1
 43 Tc   41.9   39.2   36.7   34.5
 44 Ru   44.8   42.0   39.3   36.8
 45 Rh   47.9   44.8   41.9   39.3

 46 Pd   51.0   47.8   44.7   41.9
 47 Ag   54.4   50.9   47.7   44.7
 48 Cd   57.9   54.2   50.8   47.6
 49 In   61.6   57.6   54.0   50.7
 50 Sn   65.4   61.2   57.4   53.9

 51 Sb   69.3   65.0   60.9   57.2
 52 Te   73.5   68.8   64.5   60.6
 53 I    77.7   72.9   68.3   64.2
 54 Xe   82.2   77.1   72.3   67.9
 55 Cs   86.6   81.1   76.1   71.5

 56 Ba   91.1   85.4   80.1   75.2
 57 La   95.7   89.7   84.2   79.0
 58 Ce    100   94.1   88.3   82.9
 59 Pr    105   98.6   92.5   86.9
 60 Nd    110    103   96.8   90.9

 61 Pm    115    108    101   95.1
 62 Sm    120    113    106   99.4
 63 Eu    126    118    111    104
 64 Gd    131    123    115    108
 65 Tb    137    128    120    113

 66 Dy    143    134    125    118
 67 Ho    148    139    131    123
 68 Er    155    145    136    128
 69 Tm    161    151    141    133
 70 Yb    167    157    147    138

 71 Lu    174    163    153    143
 72 Hf    180    169    159    149
 73 Ta    187    176    165    155
 74 W     195    182    171    161
 75 Re    202    189    178    167

 76 Os    209    196    184    173
 77 Ir    208    203    191    179
 78 Pt    215    202    198    186
 79 Au    197    186    197    185
 80 Hg    204    192    182    192
____


                                                                       Page 12
                  Mass Absorption Coefficients for L-alpha X-rays
                             April 22, 1989   8:18 AM

                               Absorbed Radiation (KeV)
          91     92     93     94
         Pa L    U L   Np L   Pu L
        13.29  13.62  13.95  14.28
absorber
 81 Tl    210    198    187    177
 82 Pb    217    205    193    183
 83 Bi   65.5    211    199    188
 84 Po   68.1   63.9    205    194
 85 At   70.9   66.5   62.6    200

 86 Rn   73.6   69.1   65.0   61.2
 87 Fr   76.5   71.8   67.5   63.5
 88 Ra   79.3   74.5   70.0   65.9
 89 Ac   82.3   77.3   72.6   68.4
 90 Th   85.3   80.1   75.3   70.8

 91 Pa   88.3   83.0   78.0   73.4
 92 U    91.3   85.8   80.6   75.9
 93 Np   94.2   88.5   83.2   78.2
 94 Pu   97.6   91.7   86.2   81.1
____


                                                                       Page 13

                         *****  Ran to completion  *****

 Started job at:  April 22, 1989   8:18 AM
Finished job at:  April 22, 1989   8:29 AM