Report of the sub-committee on the environment and health., Danish Environmental Protection Agency

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

Table 4.8
Pesticides and metabolites found in ground water in the five nationwide monitoring catchment areas during the period 1990-1997. The median value has been calculated on the basis of median values at screen level. GRUMO pesticides are in bold (GEUS 1998) (m g/L = microgramme per litre).

Ground-water monitoring, LOOP	Analyses	Filters with analyses	Filters containing findings		Screens with finds ł 0.1 m g/L		Median values	Max conc.
Pesticides	Number	Number	Number	%	Number	%	m g/L	m g/L
Atrazine	471	105	7	6.7	1	1.0	0.01	0.12
Desethylatrazine	173	59	13	22.0	1	1.7	0.02	0.22
Desisopropylatrazine	150	53	15	28.3	5	9.4	0.02	0.24
Hydroxyatrazine	46	37	2	5.4	0			0.02
2,4-D	386	94	4	4.3	1	1.1	0.04	0.12
Bentazone	223	62	14	22.6	0		0.01	0.05
Cyanazine	173	59	2	3.4	0			0.02
Dichloroprop	466	104	7	6.7	0		0.02	0.04
Dinoseb	467	105	4	3.8	1	1.0	0.01	0.12
DNOC	467	105	5	4.8	1	1.0	0.02	0.10
Isoproturon	236	62	5	8.1	0		0.02	0.05
MCPA	467	105	10	9.5	0		0.02	0.07
Mechlorprop	463	105	12	11.4	0		0.02	0.08
Metamitron	143	57	3	5.3	0			0.01
Pirimicarb	23	11	2	18.2	0			0.01
Propyzamide	18	9	1	11.1	1	11.1		0.11
Simazine	461	105	3	2.9	0		0.04	0.05