Table 3.

Laboratory testing of Tanzanian Olyset samples.

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