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Herbicides

Volume 986: debated on Friday 20 June 1980

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asked the Minister of Agriculture, Fisheries and Food what are the active ingredients in the herbicide formulations used by the Forestry Commission ; and what tonnage of individual active ingredients was applied to Forestry Commission land during 1978 and 1979.

The following figures show the quantities of active ingredient in the herbicides used by the Forestry Commission in the last two years.

Active ingredient Common chemical nameAmount (tonees) Year ended 30 September
(BS 1831)19781979
Ammonium sulphamate1·11·4
Asulam2·31·9
Atrazine1·71·8
Chlorthiamid1·10·4
Dalapon0·50·1
2,4-D8·37·8
Dichlobenil0·61·3
Dichlobenil/Dalapon0·50·8
Glyphosate0·41·3
Paraquat0·60·8
Propvzamide4·53·5
2,4,5-T1·61·3
Diphenamid0·10·1
Nitrofen0·1Nil
Simazine0·30·2

asked the Minister of Agriculture, Fisheries and Food what is the permitted level of 2, 3, 7, 8-tetra-chlorodibenzo-p-dioxin impurity in the bactericide hexachlorophene.

I have been asked to reply.A limit of 15 parts per thousand million is applied for its presence in hexachlorophene in human medicinal products.