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Table 1 Lambda-cyhalothrin concentration levels on the sprayed substrates

From: The impact of different sprayable surfaces on the effectiveness of indoor residual spraying using a micro encapsulated formulation of lambda-cyhalothrin against Anopheles gambiae s.s.

Substrate

Sample location*

mg/l

mg/m 2

Substrate

Sample location*

mg/l

mg/m 2

Cement blocks

B

2.22E-02

22

Limestone blocks

F

2.48E-02

25

Cement blocks

E

2.38E-02

24

Limestone blocks

A

2.18E-02

22

Cement blocks

F

2.23E-02

22

Iron sheet

C

2.20E-02

22

Mud daub

A

2.30E-02

23

Burnt bricks

B

2.19E-02

22

Mud daub

E

2.47E-02

25

Palm thatch

A

2.51E-02

25

Wood

B

2.15E-02

22

Palm thatch

D

2.23E-02

22

Wood

D

2.39E-02

24

White wash

C

2.32E-02

23

Oil paint

A

2.00E-02

20

White wash

A

2.36E-02

24

Oil paint

D

2.01E-02

20

White wash

B

2.17E-02

22

  1. *The sample location refers to the level where the whatman paper was located. A = Upper, B = Middle, C = Lower levels of the 1st replicate; D = Upper, E = Middle, F = Lower levels of the 2nd replicate.