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Table 3 Laboratory testing of Tanzanian Olyset samples.

From: Evaluation of Olyset™ insecticide-treated nets distributed seven years previously in Tanzania

3a chemical testing

Sample identification

(1) Gembloux, Belgium (WHO Reference Centre)

(2) Sumitomo, Japan

 

Inside mg/Kg

Surface mg/Kg

Ratio Inside: outside

Total mg/Kg

Total mg/Kg

10

3225

280

12

3505

7200

20

2486

311

8

2797

5900

30

3671

189

19

3860

4800

40

5833

323

18

6156

8300

50

6170

349

18

6519

6700

110

2228

324

7

2552

4200

120

12422

197

63

12619

11700

130

12297

1032

12

13328

12700

140

5976

311

19

6287

8900

150

8348

258

32

8606

10800

Average for 10 nets

6266

357

18

6622

8120

3b Bio-assay testing

  

Sample identification

(3) LIN, Montpellier, France

  
 

KD 60 (%)

Effective mortality (%)

Functional mortality (%)

  

10

100

42

81

  

20

98

14

18

  

30

100

74

92

  

40

95

9

9

  

50

100

38

54

  

110

24

0

0

  

120

100

22

31

  

130

100

57

85

  

140

100

23

43

  

150

100

62

89

  

Average for 10 nets

92

34

50