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- W563737970 abstract "Heavy metals from the road traffic exhausts can be deposited on the roadside verges. Different processes are used to determine the spread of the metals emitted. The amounts involved vary widely according to the type of metal. The pollution of roadside vegetation in this way could cause problems. Cuttings from roadsides are processed into cattle fodder and compost, and therefore have to meet standards concerning the heavy metal content. To gain insight into this matter the Dutch Rijkswaterstaat has done research into the arsenic, cadmium, chromium, copper, nickel and zinc content of cuttings from a number of verges that are characteristic for the Netherlands. The relation between the concentrations of these metals and the traffic volume and verge width has been examined, after which the results have been compared to the maximum permissible concentrations laid down in the standards. Next, other factors of influence have been included into the research. To predict the copper content under given circumstances a mathematical formula is presented. The research showed that the contents of the heavy metals examined in the cuttings from verges are such that the cuttings can safely be used as cattle fodder or compost. The emission of these metals, however, has to be restricted as much as possible. (TRRL)" @default.
- W563737970 created "2016-06-24" @default.
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- W563737970 date "1989-01-01" @default.
- W563737970 modified "2023-09-24" @default.
- W563737970 title "ARSENIC, CADMIUM, CHROMIUM, COPPER, NICKEL AND ZINC CONTENTS IN CUTTINGS FROM ROADSIDES" @default.
- W563737970 hasPublicationYear "1989" @default.
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