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Table 8.6          Predicted Air Pollutant Concentrations at Representative ASRs for the Future Scenario (Year 2026, Park without Development)

ASR ID

Assessment Height

(metres AGL)

Hourly Averaged NO2 concentration (mg/m3)

24-Hour NO2 Averaged concentration (mg/m3)

24-Hour RSP Averaged concentration (mg/m3)

AL1

1.5

126

76

61

5

125

76

61

10

119

73

60

AL2

1.5

136

80

62

5

132

79

62

10

127

77

61

AL3

1.5

163

91

66

5

159

89

65

10

148

85

64

AL4

1.5

135

80

62

5

132

79

62

10

124

75

61

AL5

1.5

145

84

64

5

137

81

62

10

120

74

60

AL6

1.5

160

90

66

5

134

79

62

10

115

72

60

AL7

1.5

134

79

62

5

125

76

61

10

110

70

59

AL8

1.5

92

63

56

5

91

62

56

10

90

62

56

AL9

1.5

72

55

54

5

72

54

54

10

71

54

54

AL10

1.5

81

58

55

5

81

58

55

10

80

58

55

AL11

1.5

73

55

54

5

73

55

54

10

72

55

54

AL12

1.5

89

62

56

5

89

61

56

10

88

61

56

AL13

1.5

117

73

60

5

116

72

60

10

112

70

59

AL14

1.5

114

71

59

5

112

71

59

10

108

69

59

AL15

1.5

102

67

58

5

101

66

58

10

96

64

57

AL16

1.5

94

63

57

5

93

63

57

10

91

62

56

AL17

1.5

83

59

55

5

83

59

55

10

81

58

55

AL18

1.5

230

118

75

5

212

111

73

10

166

92

67

AL19

1.5

129

77

62

5

127

77

61

10

121

74

61

AL20

1.5

142

83

63

5

139

81

63

10

132

79

62

AL21

1.5

145

84

64

5

118

73

60

10

96

64

57

Notes:

(1) Value in bold type indicates that the NO2 concentration exceeds the HKAQO.

(2) Background NO2 concentration of 43 mg/m3 and RSP concentration of 50 mg/m3 are included.