Table 1.

Lethal toxicity value of sumithion at 96 h in B. gonionotus.

Probability		95 % Confidence Limits for concentration				95 % Confidence Limits for log(concentration)a
		Estimate		Lower Bound	Upper Bound	Estimate	Lower Bound	Upper Bound
PROBIT	0.01		4.437	2.226	5.841	0.647	0.347	0.767
	0.1		6.511	4.396	7.740	0.814	0.643	1.889
	0.2		7.653	5.795	8.806	0.884	0.763	0.945
	0.3		8.598	6.993	9.772	0.934	0.845	0.990
	0.4		9.497	8.092	10.839	0.978	0.908	1.035
	0.5		10.422	9.109	12.159	1.018	0.959	1.085
	0.6		11.438	10.069	13.891	1.058	1.003	1.143
	0.7		12.635	11.043	16.256	1.102	1.043	1.211
	0.8		14.195	12.165	19.762	1.152	1.085	1.296
	0.9		16.682	13.775	26.169	1.222	1.139	1.418
	0.99		24.480	18.192	51.862	1.389	1.260	1.715

^aLogarithm base = 10.