Article from 14.06.2017 | Last changed: 23.06.2017
Survey 1990-1992 in Comparison with Survey 1997-1999
… Survey 1990-1992 in Comparison with Survey 1997-1999 Many contaminants were … the mean concentration of permethrin in house dust increased from 0,06 mg/kg in 1985/86 to 0,23 mg/kg in 1990/92. From 1990/92 to 1997/99 the mean concentration did …