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Table 2

Percentage of elements remaining on surfaces as a function of rainfall.

Date Nov 2013 Dec Jan 2014 Feb Mar Apr



  07 11 19 28 17 23 27 04 18 06 12 26
Cumulative rainfall (mm) 5 15 18 22 40 86 130 198 259 390 468 527
Cs (wet deposition)
Wood 15 13 12 12 11 10 10 9 9 8 8 7
Glass 6 3 3 3 3 3 2 2 2 2 2 2
Sandstone 100 99 99 99 99 98 97 96 95 94 94 94
Tiled roof 97 96 96 96 94 93 92 90 89 86 85 83
Tarmac 100 99 99 99 99 99 99 99 99 98 98 98
Brick wall 100 100 100 100 99 97 95 93 92 90 88 88
Cs (dry deposition)
Wood 13 11 11 11 9 8 8 8 7 7 6 5
Glass 10 10 10 9 9 9 9 9 9 9 9 9
Sandstone 97 95 94 94 93 90 88 85 83 81 79 78
Tiled roof 77 72 69 67 62 56 51 46 44 37 34 31
Tarmac 93 91 90 89 89 88 87 86 85 84 83 82
Brick wall 97 97 96 96 94 88 86 82 79 75 73 73
Ru (wet deposition)
Wood 44 40 36 36 35 34 34 33 32 31 29 28
Glass 82 81 80 80 79 78 77 75 74 73 72 71
Sandstone 100 99 99 99 98 95 92 84 75 66 59 56
Tiled roof 95 94 93 93 92 91 90 89 89 88 87 86
Tarmac 96 95 95 94 94 94 94 94 93 93 93 92
Brick wall 100 100 100 100 100 99 99 98 98 97 97 97
Ru (dry deposition)
Wood 53 51 49 49 44 42 41 38 35 31 25 22
Glass 31 31 30 30 29 29 28 28 27 26 25 24
Sandstone 94 92 90 90 88 84 82 78 76 72 69 68
Tiled roof 84 82 80 79 76 73 71 67 64 60 57 53
Tarmac 73 69 64 63 59 56 53 50 47 43 36 32
Brick wall 98 97 96 96 93 83 78 74 71 66 63 62
I (wet deposition)
Wood 92 90 90 90 87 86 86 84 83 80 78 78
Glass 95 95 95 95 95 95 95 95 95 95 95 95
Sandstone 98 97 97 97 96 94 93 90 87 83 81 81
Tiled roof 85 78 76 75 72 71 70 68 67 64 62 62
Tarmac 95 91 90 89 87 86 86 85 83 82 80 79
Brick wall 100 100 100 100 99 97 96 93 90 87 87 87
I (dry deposition)
Wood 70 64 63 62 54 51 51 44 41 41 41 41
Glass 90 90 90 90 90 90 90 90 90 90 90 90
Sandstone 90 85 84 83 81 78 77 71 68 67 67 67
Tiled roof 60 52 49 49 45 42 41 39 36 36 36 36
Tarmac 60 43 38 36 30 29 29 23 20 19 19 19
Brick wall 98 97 96 96 95 91 90 85 81 81 81 81

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