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char = l;code = 108
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char = v;code = 118
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char = n;code = 110
char = t;code = 116
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char = o;code = 111
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char = n;code = 110
char = o;code = 111
char = c;code = 99
char = h;code = 104
char = l;code = 108
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char = r;code = 114
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char = e;code = 101
char = ;code = 32
char = p;code = 112
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char = d;code = 100
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char = y;code = 121
char = c;code = 99
char = y;code = 121
char = c;code = 99
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char = i;code = 105
char = c;code = 99
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char = c;code = 99
char = a;code = 97
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char = s;code = 115
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char = n;code = 110
char = ;code = 32
char = H;code = 72
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char = K;code = 75
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char = n;code = 110
char = g;code = 103
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char = a;code = 97
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char = r;code = 114
char = .;code = 46
result sql = Stockholm Convention organochlorine pesticides and polycyclic aromatic hydrocarbons in Hong Kong air.
Stockholm Convention organochlorine pesticides and polycyclic aromatic hydrocarbons in Hong Kong air.
char = O;code = 79
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char = a;code = 97
char = n;code = 110
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char = c;code = 99
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char = l;code = 108
char = o;code = 111
char = r;code = 114
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char = n;code = 110
char = e;code = 101
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char = p;code = 112
char = e;code = 101
char = s;code = 115
char = t;code = 116
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char = i;code = 105
char = d;code = 100
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = O;code = 79
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char = P;code = 80
char = s;code = 115
char = );code = 41
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = c;code = 99
char = l;code = 108
char = u;code = 117
char = d;code = 100
char = i;code = 105
char = n;code = 110
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char = ;code = 32
char = e;code = 101
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = o;code = 111
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char = g;code = 103
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char = a;code = 97
char = l;code = 108
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char = n;code = 110
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char = n;code = 110
char = e;code = 101
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char = e;code = 101
char = s;code = 115
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char = c;code = 99
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char = d;code = 100
char = e;code = 101
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char = ;code = 32
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char = h;code = 104
char = e;code = 101
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char = S;code = 83
char = t;code = 116
char = o;code = 111
char = c;code = 99
char = k;code = 107
char = h;code = 104
char = o;code = 111
char = l;code = 108
char = m;code = 109
char = ;code = 32
char = C;code = 67
char = o;code = 111
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char = e;code = 101
char = n;code = 110
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
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char = o;code = 111
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char = ;code = 32
char = P;code = 80
char = e;code = 101
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char = s;code = 115
char = i;code = 105
char = s;code = 115
char = t;code = 116
char = e;code = 101
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char = t;code = 116
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char = r;code = 114
char = g;code = 103
char = a;code = 97
char = n;code = 110
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = P;code = 80
char = o;code = 111
char = l;code = 108
char = l;code = 108
char = u;code = 117
char = t;code = 116
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = c;code = 99
char = y;code = 121
char = c;code = 99
char = l;code = 108
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = c;code = 99
char = a;code = 97
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char = b;code = 98
char = o;code = 111
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char = s;code = 115
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char = (;code = 40
char = P;code = 80
char = A;code = 65
char = H;code = 72
char = s;code = 115
char = );code = 41
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = u;code = 117
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = 9;code = 57
char = 0;code = 48
char = ;code = 32
char = a;code = 97
char = i;code = 105
char = r;code = 114
char = ;code = 32
char = s;code = 115
char = a;code = 97
char = m;code = 109
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = l;code = 108
char = l;code = 108
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = r;code = 114
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char = m;code = 109
char = ;code = 32
char = J;code = 74
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char = n;code = 110
char = u;code = 117
char = a;code = 97
char = r;code = 114
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char = 2;code = 50
char = 0;code = 48
char = 0;code = 48
char = 4;code = 52
char = ;code = 32
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char = M;code = 77
char = a;code = 97
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char = c;code = 99
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char = 2;code = 50
char = 0;code = 48
char = 0;code = 48
char = 5;code = 53
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char = ;code = 32
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char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = 3;code = 51
char = 0;code = 48
char = 4;code = 52
char = ;code = 32
char = a;code = 97
char = i;code = 105
char = r;code = 114
char = ;code = 32
char = s;code = 115
char = a;code = 97
char = m;code = 109
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = l;code = 108
char = l;code = 108
char = e;code = 101
char = c;code = 99
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char = e;code = 101
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = J;code = 74
char = a;code = 97
char = n;code = 110
char = u;code = 117
char = a;code = 97
char = r;code = 114
char = y;code = 121
char = ;code = 32
char = 1;code = 49
char = 9;code = 57
char = 9;code = 57
char = 8;code = 56
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = D;code = 68
char = e;code = 101
char = c;code = 99
char = e;code = 101
char = m;code = 109
char = b;code = 98
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = 2;code = 50
char = 0;code = 48
char = 0;code = 48
char = 5;code = 53
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = H;code = 72
char = o;code = 111
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = K;code = 75
char = o;code = 111
char = n;code = 110
char = g;code = 103
char = ,;code = 44
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
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char = i;code = 105
char = v;code = 118
char = e;code = 101
char = l;code = 108
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char = ;code = 32
char = T;code = 84
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char = e;code = 101
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char = a;code = 97
char = l;code = 108
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char = a;code = 97
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char = e;code = 101
char = r;code = 114
char = a;code = 97
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char = e;code = 101
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char = O;code = 79
char = C;code = 67
char = P;code = 80
char = ;code = 32
char = c;code = 99
char = o;code = 111
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char = c;code = 99
char = e;code = 101
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char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
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char = s;code = 115
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = T;code = 84
char = a;code = 97
char = p;code = 112
char = ;code = 32
char = M;code = 77
char = u;code = 117
char = n;code = 110
char = ,;code = 44
char = ;code = 32
char = Y;code = 89
char = u;code = 117
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = L;code = 76
char = o;code = 111
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = T;code = 84
char = s;code = 115
char = u;code = 117
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = W;code = 87
char = a;code = 97
char = n;code = 110
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char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = 1;code = 49
char = 3;code = 51
char = 5;code = 53
char = +;code = 43
char = /;code = 47
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char = 1;code = 49
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char = 0;code = 48
char = ;code = 32
char = (;code = 40
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char = D;code = 68
char = -;code = 45
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char = 8;code = 56
char = 2;code = 50
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char = ,;code = 44
char = ;code = 32
char = 1;code = 49
char = 8;code = 56
char = 6;code = 54
char = +;code = 43
char = /;code = 47
char = -;code = 45
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char = 3;code = 51
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char = (;code = 40
char = N;code = 78
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char = ,;code = 44
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char = d;code = 100
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char = 2;code = 50
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char = f;code = 102
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char = m;code = 109
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char = 9;code = 57
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char = t;code = 116
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char = t;code = 116
char = o;code = 111
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char = a;code = 97
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char = A;code = 65
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char = (;code = 40
char = 1;code = 49
char = 1;code = 49
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char = );code = 41
char = ;code = 32
char = a;code = 97
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char = d;code = 100
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char = 5;code = 53
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char = 2;code = 50
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char = n;code = 110
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char = 1;code = 49
char = 0;code = 48
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char = 7;code = 55
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char = ,;code = 44
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char = e;code = 101
char = c;code = 99
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char = v;code = 118
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char = l;code = 108
char = y;code = 121
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char = N;code = 78
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char = s;code = 115
char = e;code = 101
char = a;code = 97
char = s;code = 115
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char = a;code = 97
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char = a;code = 97
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char = d;code = 100
char = ;code = 32
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char = a;code = 97
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char = a;code = 97
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char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = c;code = 99
char = i;code = 105
char = n;code = 110
char = o;code = 111
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = r;code = 114
char = i;code = 105
char = s;code = 115
char = k;code = 107
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = O;code = 79
char = C;code = 67
char = ;code = 32
char = p;code = 112
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = .;code = 46
char = ;code = 32
char = N;code = 78
char = a;code = 97
char = p;code = 112
char = h;code = 104
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = l;code = 108
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = (;code = 40
char = >;code = 62
char = 7;code = 55
char = 0;code = 48
char = %;code = 37
char = );code = 41
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = o;code = 111
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = P;code = 80
char = A;code = 65
char = H;code = 72
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = u;code = 117
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = r;code = 114
char = e;code = 101
char = e;code = 101
char = -;code = 45
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = P;code = 80
char = A;code = 65
char = H;code = 72
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = c;code = 99
char = l;code = 108
char = u;code = 117
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = a;code = 97
char = p;code = 112
char = h;code = 104
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = a;code = 97
char = p;code = 112
char = h;code = 104
char = t;code = 116
char = h;code = 104
char = y;code = 121
char = l;code = 108
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = h;code = 104
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = f;code = 102
char = l;code = 108
char = u;code = 117
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = h;code = 104
char = e;code = 101
char = n;code = 110
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = h;code = 104
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = i;code = 105
char = b;code = 98
char = u;code = 117
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = o;code = 111
char = u;code = 117
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = 2;code = 50
char = 0;code = 48
char = %;code = 37
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = P;code = 80
char = A;code = 65
char = H;code = 72
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = w;code = 119
char = h;code = 104
char = i;code = 105
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = i;code = 105
char = b;code = 98
char = u;code = 117
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = h;code = 104
char = e;code = 101
char = a;code = 97
char = v;code = 118
char = i;code = 105
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = P;code = 80
char = A;code = 65
char = H;code = 72
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = s;code = 115
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = u;code = 117
char = r;code = 114
char = -;code = 45
char = ,;code = 44
char = ;code = 32
char = f;code = 102
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = -;code = 45
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = x;code = 120
char = -;code = 45
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = s;code = 115
char = );code = 41
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = l;code = 108
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = 5;code = 53
char = %;code = 37
char = .;code = 46
char = ;code = 32
char = t;code = 116
char = -;code = 45
char = V;code = 86
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = i;code = 105
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = a;code = 97
char = m;code = 109
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = T;code = 84
char = -;code = 45
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = d;code = 100
char = i;code = 105
char = v;code = 118
char = i;code = 105
char = d;code = 100
char = u;code = 117
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = P;code = 80
char = A;code = 65
char = H;code = 72
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = o;code = 111
char = w;code = 119
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = n;code = 110
char = z;code = 122
char = o;code = 111
char = (;code = 40
char = a;code = 97
char = );code = 41
char = p;code = 112
char = y;code = 121
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = h;code = 104
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = r;code = 114
char = i;code = 105
char = s;code = 115
char = k;code = 107
char = ;code = 32
char = P;code = 80
char = A;code = 65
char = H;code = 72
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = P;code = 80
char = A;code = 65
char = H;code = 72
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = T;code = 84
char = s;code = 115
char = u;code = 117
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = W;code = 87
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = C;code = 67
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = /;code = 47
char = W;code = 87
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = n;code = 110
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = g;code = 103
char = n;code = 110
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = (;code = 40
char = p;code = 112
char = <;code = 60
char = 0;code = 48
char = .;code = 46
char = 0;code = 48
char = 1;code = 49
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = h;code = 104
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = T;code = 84
char = s;code = 115
char = u;code = 117
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = W;code = 87
char = a;code = 97
char = n;code = 110
char = .;code = 46
char = ;code = 32
char = S;code = 83
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = P;code = 80
char = A;code = 65
char = H;code = 72
char = s;code = 115
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char = e;code = 101
char = x;code = 120
char = h;code = 104
char = i;code = 105
char = b;code = 98
char = i;code = 105
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char = e;code = 101
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = o;code = 111
char = n;code = 110
char = a;code = 97
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = h;code = 104
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = e;code = 101
char = r;code = 114
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char = c;code = 99
char = o;code = 111
char = n;code = 110
char = c;code = 99
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char = n;code = 110
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
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char = i;code = 105
char = n;code = 110
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = .;code = 46
char = ;code = 32
char = S;code = 83
char = o;code = 111
char = u;code = 117
char = r;code = 114
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = P;code = 80
char = A;code = 65
char = H;code = 72
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
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char = d;code = 100
char = e;code = 101
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = v;code = 118
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = i;code = 105
char = g;code = 103
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = P;code = 80
char = A;code = 65
char = H;code = 72
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = o;code = 111
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = h;code = 104
char = i;code = 105
char = c;code = 99
char = h;code = 104
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = g;code = 103
char = g;code = 103
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = e;code = 101
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = u;code = 117
char = r;code = 114
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = i;code = 105
char = m;code = 109
char = a;code = 97
char = r;code = 114
char = y;code = 121
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = u;code = 117
char = r;code = 114
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = P;code = 80
char = A;code = 65
char = H;code = 72
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = H;code = 72
char = o;code = 111
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = K;code = 75
char = o;code = 111
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = a;code = 97
char = i;code = 105
char = r;code = 114
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
result sql = Organochlorine pesticides (OCPs) including eight of the original nine pesticides listed in the Stockholm Convention on Persistent Organic Pollutants, and polycyclic aromatic hydrocarbons (PAHs) were measured in 90 air samples collected from January 2004 to March 2005, and in 304 air samples collected from January 1998 to December 2005 in Hong Kong, respectively. The annual average OCP concentrations at Tap Mun, Yuen Long and Tsuen Wan were 135+/-140 (ND-482), 186+/-183 (ND-656), and 190+/-239 fg m(-3) (ND-966), respectively, while annual (January 1998 to December 2005) average concentrations of total PAHs at Tsuen Wan, and Central/Western were 578+/-261 (117-938) and 588+/-248ngm(-3) (103-874), respectively. No seasonal and spatial variations in OCP concentrations were observed due to trace levels, and estimation of carcinogenic risks of OC pesticides was low. Naphthalene (>70%) was the dominant PAH in terms of concentrations measured. The sum of three-ring PAHs, including acenaphthene, acenaphthylene, anthracene, fluorene and phenanthrene, contributed to around 20% of the total PAH concentration while the contribution of heavier PAHs (sum of four-, five- and six-rings) was less than 5%. t-Values of the paired samples T-test for the individual PAHs showed that the concentrations of benzo(a)pyrene, the relative high cancer risk PAH, and most of the PAHs detected at Tsuen Wan and Central/Western were significantly different (p<0.01), with higher concentrations detected at Tsuen Wan. Several PAHs exhibited strong seasonality with higher concentrations in winter. Sources of PAHs were determined by investigating PAH isomer ratios which suggested petrogenic sources as primary sources of PAHs in Hong Kong air.

Publication: Chemosphere 2009 Oct ;77(6)::714-9. :doi: 10.1016/j.chemosphere.2009.08.039.
Publication Date: 2009 Oct
Study Author(s): Choi, M P K;Kang, Y H;Peng, X L;Ng, K W;Wong, M H;
Institution: Croucher Institute for Environmental Sciences, and Department of Biology, Hong Kong Baptist University, Hong Kong, PR China.
Shortcut link to this study:
Organochlorine pesticides (OCPs) including eight of the original nine pesticides listed in the Stockholm Convention on Persistent Organic Pollutants, and polycyclic aromatic hydrocarbons (PAHs) were measured in 90 air samples collected from January 2004 to March 2005, and in 304 air samples collected from January 1998 to December 2005 in Hong Kong, respectively. The annual average OCP concentrations at Tap Mun, Yuen Long and Tsuen Wan were 135+/-140 (ND-482), 186+/-183 (ND-656), and 190+/-239 fg m(-3) (ND-966), respectively, while annual (January 1998 to December 2005) average concentrations of total PAHs at Tsuen Wan, and Central/Western were 578+/-261 (117-938) and 588+/-248ngm(-3) (103-874), respectively. No seasonal and spatial variations in OCP concentrations were observed due to trace levels, and estimation of carcinogenic risks of OC pesticides was low. Naphthalene (>70%) was the dominant PAH in terms of concentrations measured. The sum of three-ring PAHs, including acenaphthene, acenaphthylene, anthracene, fluorene and phenanthrene, contributed to around 20% of the total PAH concentration while the contribution of heavier PAHs (sum of four-, five- and six-rings) was less than 5%. t-Values of the paired samples T-test for the individual PAHs showed that the concentrations of benzo(a)pyrene, the relative high cancer risk PAH, and most of the PAHs detected at Tsuen Wan and Central/Western were significantly different (p<0.01), with higher concentrations detected at Tsuen Wan. Several PAHs exhibited strong seasonality with higher concentrations in winter. Sources of PAHs were determined by investigating PAH isomer ratios which suggested petrogenic sources as primary sources of PAHs in Hong Kong air.
PMID: 19775721

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