Use of insecticide quantification kits to investigate the quality of spraying and decay rate of bendiocarb on different wall surfaces in Kagera region, Tanzania

Table 1 Scoring criteria based on manufacturer’s recommendations

Optical density	Concentration range	Recommendation
>0.39	Below 20 mg/m²	No residual insecticide
0.3-0.39	20-100 mg/m²	Insecticide dose below WHO recommendation
<0.3	100-400 mg/m²	Insecticide dose meets WHO recommendation

ISSN: 1756-3305