Figure 4From: Use of insecticide quantification kits to investigate the quality of spraying and decay rate of bendiocarb on different wall surfaces in Kagera region, TanzaniaBox plots showing the distribution of the concentration of bendiocarb in different wall substrates in Karagwe (A) and Muleba (B) districts. The dashed line represents the recommended WHO threshold level of less than 0.3.Back to article page