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 4.3
Detections of pesticides analysed in connection with the water companies’ raw water monitoring system (Brüsch et al. 1998). Ranked by falling number of analyses. Consumption data from Bekæmpelsesmiddelstatistik (Pesticide Statistics) 1997 (Danish Environmental Protection Agency 1998a).

Pesticide/metabolite	Analyses	Analysed wells	Wells with finds	Wells with finds ł 0.1 mg/L	Consumption in 1997
	number	number	number	number	in kg a.i.
Atrazine	5759	4015	148	31	B
Desethylatrazine^M	1335	1169	50	6	MB
Hydroxyatrazine^M	594	562	3		MB
Desisopropylatrazine^M	1290	1133	33	3	MB
Dichlorprop^a	5714	3998	88	19	4560
Simazine^a	5708	4007	82	7	20270
Mechlorprop^a	5677	3985	77	15	14586
MCPA^a	5629	3989	24	4	79512
DNOC	5605	3980	1		B
Dinoseb	5599	3979	3		B
2,4-D^a	5055	3732	10		677
2,4-dichlorophenol^M	2256	1554	8	6
4-chloro-, 2-methylphenol^M	2241	1544	9	5
Pentachlorphenol	2058	1455	6	2	B
2,6-dichlorophenol^M	2025	1421	5	1
Hexazinone	1438	1253	19	6	B
Bentazon^a	1353	1160	31	6	79317
Isoproturon	1236	1089	2	1	541365
Pendimethalin	1042	953	4		357928
Metamitron	932	854	1	1	207298
Diuron^a	631	574	3	2	22695
Propiconazole	484	431	1		86355
Ioxynil^a	476	430	1		92130
2-(4-chlorophenoxy)-propionic acid^M (4-CPP)	371	332	10	2
Metribuzin^a	364	326	1		12389
2-(2,6-dichlorophenoxy)-propionic acid^M (DCPP, 2,6-)	345	322	1
2,6-dichlorobenzamide (BAM)^M	2310	1656	448	187	MB
Dichlobenil	1480	1325	13		B
Terbuthylazine	1230	1103	3		62636
Hydroxyterbuthylazin^M	57	54	1
Dinoterb	46	42	1		B
Chlorpyriphos-methyl^M	43	34	1
Ethylene thiourea (ETU) ^M	39	39	2	1

a.i. = active ingredient
m g/L = microgramme per litre
^a = Substance reviewed or permitted with restricted/very restricted use or authorised on certain conditions
Bold text = one of the 8 GRUMO substances
^M = Metabolite/degradation product
B = Banned/withdrawn; MB = metabolite from banned/withdrawn pesticide
^u = Possible impurity in pesticide