Table 2. Cross-reactivity (CR) of a set of analogs related to parathion-methyl by multi-analyte ICA and ELISA.

	CR (%)
Compound	ICA	ELISA
Parathion-methyl	100	100
Parathion	56.7	32.9
Fenitrothion	24.9	41.4
Cyanophos	16.6	18.2
EPN	20.1	20.2
Paraoxon-methyl	2.7	3.1
Paraoxon-ethyl	2.5	2.3
Fenitrooxon	3.4	3.3
Dicapthon	0.6	0.6
Famphur	<0.01	0.006
Isocarbophos	<0.01	<0.003
Fenthion	<0.01	<0.003
Triazophos	<0.01	<0.003
Chlorpyrifos	<0.01	<0.003
Chlorpyrifos-methyl	<0.01	<0.003
Phoxim	<0.01	<0.003
Malathion	<0.01	<0.003
Phorate	<0.01	<0.003
Dimethoate	<0.01	<0.003
Acephate	<0.01	<0.003
Dichlorvos	<0.01	<0.003
Tolclofos-methyl	<0.01	<0.003
Azinphose-methyl	<0.01	<0.003