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Table 1 Results of chemical analysis of filter samples collected from sprayed houses

From: Small-scale evaluation of the efficacy and residual activity of alpha-cypermethrin WG (250 g AI/kg) for indoor spraying in comparison with alpha-cypermethrin WP (50 g AI/kg) in India

Formulation Surface type Target dose (mg/m2) Applied dose (mg ai/m2) No. filter-paper samples analysed Applied/target ratio D RSD
WP Cement wall + distemper coated 20 30.5 6 1.53 5.87 19.3
  Cement wall + lime coated 20 17.3 6 0.87 5.66 35.6
  Mud wall + lime coated 20 29.8 6 1.5 4.8 16.1
  Brick wall unpainted 20 33.06 6 1.66 7.4 22.4
  Cement wall + distemper coated 30 20.55 6 0.68 7.5 36.7
  Cement wall + lime coated 30 26.55 6 0.88 11.6 43.8
  Mud wall + lime coated 30 22.8 6 0.76 12.2 53.6
  Brick wall unpainted 30 31.7 6 1.06 13.5 42.5
WG Cement wall + distemper coated 20 17.7 6 0.89 8.4 47.5
  Cement wall + lime coated 20 23.3 6 1.17 5.76 24.7
  Mud wall + lime coated 20 22.8 6 0.9 15.3 85.3
  Brick wall unpainted 20 21.7 7 1.11 3.7 16.9
  Cement wall + distemper coated 30 26.45 6 0.83 11.1 44
  Cement wall + lime coated 30 30.8 6 1.03 11.9 38.7
  Mud wall + lime coated 30 53.85 6 1.8 10.9 20.3
  Brick wall unpainted 30 26.4 6 0.88 15.1 57.4