Exposed
Surface    LDEF
Area  m2    ID    <10   10   14   20   28   40   57   80  113  160  226  320  453  640  905  1280  1810  2560   Total
---------------------------------------------------------------------------------------------------------------------
0.237556  Row 1          1    3   15   24   52   28   38   16   11    8    3    1                                 200
0.235831  Row 2                   11   19   24   18   22    6    5    2    1    1                                 109
0.232544  Row 3               2    6    6   15   13    9    6    7    4    3    1    1                             73
0.235236  Row 4               2    5    7   16   14    9    5    7    1    3    1               1                  71
0.236503  Row 5          1    8   46   27   30   16   14   16    9    3    2    2    2                            176
0.237239  Row 6     1    8   39  195  184  134   27   32   21   20   13    6    5    1                            686
0.237962  Row 7     1   34   73  407  438  289   76   84   39   39   20   15    7    2                           1524
0.235170  Row 8         37   66  306  282  245   98   82   70   45   28   29    4    2    1                      1295
0.234776  Row 9         12   15   98  114  195  117  108   73   57   34   15   12    5    1     1                 857
0.239124  Row 10    1    9   20  137  206  231  118  107   82   59   45   17   19    4    3                      1058
0.240327  Row 11    1    1    8   82  106  165   71   89   59   42   30   13    8    4    1     1           1     682
0.237368  Row 12         3    8   62   82  126   55   66   45   22   26    6    2    3                            506

TOTALS              4  106  244 1370 1495 1522  651  660  438  323  214  113   63   24    6     3     0     1    7237

Counts below 40 microns may not represent 100% coverage.
Size bins are inclusive on the low side (i.e., 10 contains features greater than or equal to 10 and less than 14 microns
 in diameter.