APPENDIX E - Route Assessment Scores for Air Quality

APPENDIX E - Route Assessment Scores for Air Quality

The following tables are based on a standard format as laid out in the webtag guidance. The titles within the tables have been changed to be more accessible to the public.

For each sub option has 2 tables, 1 each for PM10 and NO2.

SUB-OPTION 1

PM10 SUMMARY TABLE:

0-50m

50-100m

100-150m

150-200m

0-200m

(i)

(ii)

(iii)

(iv)

(v=i+ii+iii+iv)

Number of properties existing route (amin)

50

38

37

40

165

Number of properties sub option 1 (asome)

19

38

40

45

142

PM10 concentration at average point

At 20m:

At 70m:

At 115m:

At 175m:

N/A

within band for existing route (bmin) (µg/m3)

12.23

10.86

10.49

10.37

PM10 concentration at average point

At 20m:

At 70m:

At 115m:

At 175m:

N/A

within band Sub option 1 (bsome) (µg/m3)

12.29

10.88

10.49

10.37

PM10 assessment score existing route (µg/m3)

Total assessment PM10 (I):

(c = amin*bmin)

611.5

412.68

388.13

414.8

1827.11

PM10 assessment score sub option 1 (µg/m3)

Total assessment PM10 (II):

c = asome*bsome)

233.51

413.44

419.6

466.65

1533.2

Net assessment for sub option 1 (II-I) (µg/m3)

-293.91

Number of properties with an improvement

71

Number of properties with no change

0

Number of properties with a deterioration

8


Reference Sources: DMRB Screening method version 1.02 (November 2003)

Quantitative Measures: Air quality would improve (negative number)

Assessment Scores: -293.91µg/m3

Qualitative Comments: The sub-option would give rise to an improvement in air quality as fewer properties are located within 200m of the road. The scheme is not located within an Air Quality Management Area.

NO2 SUMMARY TABLE

0-50m

50-100m

100-150m

150-200m

0-200m

(i)

(ii)

(iii)

(iv)

(v=i+ii+iii+iv)

Number of properties existing route (amin)

50

38

37

40

165

Number of properties sub option 1 (asome)

19

38

40

45

142

NO2 concentration at average point

At 20m:

At 70m:

At 115m:

At 175m:

N/A

within band for existing route (bmin) (µg/m3)

9.71

5.12

3.53

2.96

NO2 concentration at average point

At 20m:

At 70m:

At 115m:

At 175m:

N/A

within band Sub option 1 (bsome) (µg/m3)

9.99

5.23

3.57

2.98

NO2 assessment score existing route (µg/m3)

Total assessment NO2 (I):

(c = amin*bmin)

485.5

194.56

130.61

118.4

929.07

NO2 assessment score sub option 1 (µg/m3)

Total assessment NO2 (II):

c = asome*bsome)

189.81

198.74

142.8

134.1

665.45

Net assessment for sub option 1 (II-I) (µg/m3)

-263.62

Number of properties with an improvement

71

Number of properties with no change

0

Number of properties with a deterioration

8


Reference Sources: DMRB Screening method version 1.02 (November 2003)

Quantitative Measures: Air quality would improve (negative number)

Assessment Scores: -263.62µg/m3

Qualitative Comments: The sub-option would give rise to an improvement in air quality as fewer properties are located within 200m of the road. The scheme is not located within an Air Quality Management Area.

SUB-OPTION 2

PM10 SUMMARY TABLE:

0-50m

50-100m

100-150m

150-200m

0-200m

(i)

(ii)

(iii)

(iv)

(v=i+ii+iii+iv)

Number of properties existing route (amin)

50

38

37

40

165

Number of properties sub option 2 (asome)

18

34

42

38

132

PM10 concentration at average point

At 20m:

At 70m:

At 115m:

At 175m:

N/A

within band for existing route (bmin) (µg/m3)

12.23

10.86

10.49

10.37

PM10 concentration at average point

At 20m:

At 70m:

At 115m:

At 175m:

N/A

within band Sub option 2 (bsome) (µg/m3)

12.29

10.88

10.49

10.37

PM10 assessment score existing route (µg/m3)

Total assessment PM10 (I):

(c = amin*bmin)

611.5

412.68

388.13

414.8

1827.11

PM10 assessment score sub option 2 (µg/m3)

Total assessment PM10 (II):

c = asome*bsome)

221.22

369.92

440.58

394.06

1425.78

Net assessment for sub option 2 (II-I) (µg/m3)

-401.33

Number of properties with an improvement

75

Number of properties with no change

0

Number of properties with a deterioration

7


Reference Sources: DMRB Screening method version 1.02 (November 2003)

Quantitative Measures: Air quality would improve (negative number)

Assessment Scores: -401.33µg/m3

Qualitative Comments: The sub-option would give rise to an improvement in air quality as fewer properties are located within 200m of the road. The scheme is not located within an Air Quality Management Area.

NO2 SUMMARY TABLE

0-50m

50-100m

100-150m

150-200m

0-200m

(i)

(ii)

(iii)

(iv)

(v=i+ii+iii+iv)

Number of properties existing route (amin)

50

38

37

40

165

Number of properties sub option 2 (asome)

18

34

42

38

132

NO2 concentration at average point

At 20m:

At 70m:

At 115m:

At 175m:

N/A

within band for existing route (bmin) (µg/m3)

9.71

5.12

3.53

2.96

NO2 concentration at average point

At 20m:

At 70m:

At 115m:

At 175m:

N/A

within band Sub option 2 (bsome) (µg/m3)

9.99

5.23

3.57

2.98

NO2 assessment score existing route (µg/m3)

Total assessment NO2 (I):

(c = amin*bmin)

485.5

194.56

130.61

118.4

929.07

NO2 assessment score sub option 2 (µg/m3)

Total assessment NO2 (II):

c = asome*bsome)

179.82

177.82

149.94

113.24

620.82

Net assessment for sub option 2 (II-I) (µg/m3)

-308.25

Number of properties with an improvement

75

Number of properties with no change

0

Number of properties with a deterioration

7

Reference Sources: DMRB Screening method version 1.02 (November 2003)

Quantitative Measures: Air quality would improve (negative number)

Assessment Scores: -308.25µg/m3

Qualitative Comments: The sub-option would give rise to an improvement in air quality as fewer properties are located within 200m of the road. The scheme is not located within an Air Quality Management Area.

SUB-OPTION 3

PM10 SUMMARY TABLE:

0-50m

50-100m

100-150m

150-200m

0-200m

(i)

(ii)

(iii)

(iv)

(v=i+ii+iii+iv)

Number of properties existing route (amin)

50

38

37

40

165

Number of properties sub option 3 (asome)

24

30

38

46

138

PM10 concentration at average point

At 20m:

At 70m:

At 115m:

At 175m:

N/A

within band for existing route (bmin) (µg/m3)

12.23

10.86

10.49

10.37

PM10 concentration at average point

At 20m:

At 70m:

At 115m:

At 175m:

N/A

within band Sub option 3 (bsome) (µg/m3)

12.29

10.88

10.49

10.37

PM10 assessment score existing route (µg/m3)

Total assessment PM10 (I):

(c = amin*bmin)

611.5

412.68

388.13

414.8

1827.11

PM10 assessment score sub option 3 (µg/m3)

Total assessment PM10 (II):

c = asome*bsome)

294.96

326.4

398.62

477.02

1497

Net assessment for sub option 3 (II-I) (µg/m3)

-330.11

Number of properties with an improvement

64

Number of properties with no change

0

Number of properties with a deterioration

9


Reference Sources: DMRB Screening method version 1.02 (November 2003)

Quantitative Measures: Air quality would improve (negative number)

Assessment Scores: -330.11µg/m3

Qualitative Comments: The sub-option would give rise to an improvement in air quality as fewer properties are located within 200m of the road. The scheme is not located within an Air Quality Management Area.

NO2 SUMMARY TABLE

0-50m

50-100m

100-150m

150-200m

0-200m

(i)

(ii)

(iii)

(iv)

(v=i+ii+iii+iv)

Number of properties existing route (amin)

50

38

37

40

165

Number of properties sub option 3 (asome)

24

30

38

46

138

NO2 concentration at average point

At 20m:

At 70m:

At 115m:

At 175m:

N/A

within band for existing route (bmin) (µg/m3)

9.71

5.12

3.53

2.96

NO2 concentration at average point

At 20m:

At 70m:

At 115m:

At 175m:

N/A

within band Sub option 3 (bsome) (µg/m3)

9.99

5.23

3.57

2.98

NO2 assessment score existing route (µg/m3)

Total assessment NO2 (I):

(c = amin*bmin)

485.5

194.56

130.61

118.4

929.07

NO2 assessment score sub option 3 (µg/m3)

Total assessment NO2 (II):

c = asome*bsome)

239.76

156.9

135.66

137.08

669.4

Net assessment for sub option 3 (II-I) (µg/m3)

-259.67

Number of properties with an improvement

64

Number of properties with no change

0

Number of properties with a deterioration

9


Reference Sources: DMRB Screening method version 1.02 (November 2003)

Quantitative Measures: Air quality would improve (negative number)

Assessment Scores: -259.67µg/m3

Qualitative Comments: The sub-option would give rise to an improvement in air quality as fewer properties are located within 200m of the road. The scheme is not located within an Air Quality Management Area.

SUB-OPTION 5

PM10 SUMMARY TABLE:

0-50m

50-100m

100-150m

150-200m

0-200m

(i)

(ii)

(iii)

(iv)

(v=i+ii+iii+iv)

Number of properties existing route (amin)

50

38

37

40

165

Number of properties sub option 5 (asome)

18

30

35

46

129

PM10 concentration at average point

At 20m:

At 70m:

At 115m:

At 175m:

N/A

within band for existing route (bmin) (µg/m3)

12.23

10.86

10.49

10.37

PM10 concentration at average point

At 20m:

At 70m:

At 115m:

At 175m:

N/A

within band Sub option 5 (bsome) (µg/m3)

12.29

10.88

10.49

10.37

PM10 assessment score existing route (µg/m3)

Total assessment PM10 (I):

(c = amin*bmin)

611.5

412.68

388.13

414.8

1827.11

PM10 assessment score sub option 5 (µg/m3)

Total assessment PM10 (II):

c = asome*bsome)

221.22

326.4

367.15

477.02

1391.79

Net assessment for sub option 5 (II-I) (µg/m3)

-435.32

Number of properties with an improvement

75

Number of properties with no change

0

Number of properties with a deterioration

9

Reference Sources: DMRB Screening method version 1.02 (November 2003)

Quantitative Measures: Air quality would improve (negative number)

Assessment Scores: -435.32µg/m3

Qualitative Comments: The sub-option would give rise to an improvement in air quality as fewer properties are located within 200m of the road. The scheme is not located within an Air Quality Management Area.

NO2 SUMMARY TABLE

0-50m

50-100m

100-150m

150-200m

0-200m

(i)

(ii)

(iii)

(iv)

(v=i+ii+iii+iv)

Number of properties existing route (amin)

50

38

37

40

165

Number of properties sub option 3 (asome)

18

30

35

46

129

NO2 concentration at average point

At 20m:

At 70m:

At 115m:

At 175m:

N/A

within band for existing route (bmin) (µg/m3)

9.71

5.12

3.53

2.96

NO2 concentration at average point

At 20m:

At 70m:

At 115m:

At 175m:

N/A

within band Sub option 3 (bsome) (µg/m3)

9.99

5.23

3.57

2.98

NO2 assessment score existing route (µg/m3)

Total assessment NO2 (I):

(c = amin*bmin)

485.5

194.56

130.61

118.4

929.07

NO2 assessment score sub option 3 (µg/m3)

Total assessment NO2 (II):

c = asome*bsome)

179.82

156.9

124.95

137.08

598.75

Net assessment for sub option 3 (II-I) (µg/m3)

-330.32

Number of properties with an improvement

75

Number of properties with no change

0

Number of properties with a deterioration

9


Reference Sources: DMRB Screening method version 1.02 (November 2003)

Quantitative Measures: Air quality would improve (negative number)

Assessment Scores: -330.32µg/m3

Qualitative Comments: The sub-option would give rise to an improvement in air quality as fewer properties are located within 200m of the road. The scheme is not located within an Air Quality Management Area.