Table 1.

Concentrations of test chemicals

Chemical	Developmental Arrest (%)	Nominal Conc. (mg/L)	Average Conc. (mg/L)	Rep 1 Conc. (mg/L)	Rep 2 Conc. (mg/L)	Rep 3 Conc. (mg/L)
	10	3	3.55	3.65	3.44	3.57
dichlorvos	50	15	16.0	16.5	15.9	15.8
	90	50	52.7	53.4	53.0	51.8
	10	10	6.33	7.65	5.97	5.37
fenamiphos	50	60	29.2	28.1	25.6	33.8
	90	200	74.4	86.2	68.7	68.3
	10	10	10.3	8.5	11.3	11
mefloquine	50	250	240	205	248	267
	90	500	492	530	477	470