Sample Site

Light xm%

pH

Nitrate mg/l

Nitrite mg/l

Chlorine mg/l

Chloride mg/l

Sulphate mg/l

Phosphate mg/l Gp 1

Phosphate mg/l Gp 2

A

84

7.3

25

0.081

0.85

160

40

27

46

B

58

7.2

25

0.064

0.40

160

60

26

39

C

58

7.3

25

0.062

0.44

160

80

18

27

D

81

7.2

25

0.044

0.44

160

80

14

19

E

No samples taken at Site E. Site F is open country downstream from Bedford.

F

78

7.6

25

0.064

0.27

160

60

12

30