Table 5.
Chemical analysis of alpha-cypermethrin on the Interceptor LN and CTN before and after washing and at the end of the experimental hut trial
|
Treatment |
Concentration of alpha-cypermethrin (mg/m
2
± std dev) |
||
|---|---|---|---|
| Before washing | After washing | After hut trial | |
| Untreated net |
- |
- |
0 |
| Interceptor LN unwashed |
147 ± 2 |
- |
140 ± 5 |
| Interceptor washed 20 times |
132 ± 4 |
41 ± 5 |
36 ± 3 |
| Interceptor washed 30 times |
- |
21 ± 1 |
21 ± 1 |
| CTN washed 20 times | 144 ± 17 | 1.2 ± 0.4 | 1.0 ± 0.6 |