Trace elements in the summer street-dust of Oslo.

This tecnical report describes a study on the elemental composition of the street-dust of Oslo, carried out during the summer of 1994. The statistical preparation of the sampling campaign, the analysis of the samples by ICP-MS and the interpretation of the results with the help of multivariate statistical techniques are presented in detail. Maps of concentration in street-dust have been prepared for a number of elements and relevant conclusions have been drawn.