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Report of the sub-committee on the environment and health.tle

Table 4.7
Background data, groundwater close to ground level. Groundwater monitoring data. Urban areas omitted. Only screens 0-10 metres below ground level are included. P = permitted; R = permitted with restricted use or authorised with conditions; B = banned; A = agricultural use; NA = non-agricultural use; Fr = fruit, berries, forest, plantation, etc. "Number of screens ³ 0.1 m g/L" is a sub-set of "number of screens with finds" (m g/L = microgramme per litre).

Groundwater monitoring programme, 1990-1997, urban areas omitted
Substance Permitted/ banned agric./urban

Number of analyses

Number of analyses with finds

Number of screens analysed

Number of screens with finds

 Number of screens ³ 0.1 m g/L

Finds % > detec.

Finds %

³ 0,1 m g/L
Dichlobenil B / NA

67

1

48

1

0

2.1

 
BAM B / NA

154

34

78

13

6

16.7

7.7
Atrazine B / ANA

710

44

138

14

5

10.1

3.6
Desethylatrazine B / ANA

135

26

75

11

3

14.7

4.0
Desisopropylatrazine PB / ANA

133

14

75

10

3

13.3

4.0
Hydroxyatrazine B / ANA

39

2

37

2

1

5.4

2.7
Chloridazon P / A

30

0

21

0

0

 

 

Hexazinone B / NA

128

1

74

1

0

1.4

 

Metamitron P / A

67

0

53

0

0

 

 

Metribuzin P / A

30

0

21

0

0

 

 

Terbuthylazine P / A

124

1

75

1

0

1.3

 

Hydroxy-terbuthylazine P / A

9

1

9

1

0

11.1

 

Dichloroprop R / A

719

19

138

7

2

5.1

1.4
MCPA R / A

714

5

138

5

1

3.6

0.7
Mechlorprop R / A

715

16

138

6

1

4.3

0.7
DNOC B / A

713

1

137

1

0

0.7

 

Dinoseb B / A

713

1

138

1

0

0.7

 

Simazine P / A Fr

707

6

138

6

1

4.3

0.7
2,4-D R / A

509

3

127

3

0

2.4

0.7
Bentazone P / A

133

12

76

3

2

3.9

2.6
Isoproturon P / A

131

1

76

1

0

1.3

 

All substances  

765

113

141

48

15

34.0

10.6

 

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