Antibody solution contains 0.02% sodium azide preservative of bacterial growth. Determined cross-reactivity in a direct ELISA assay is:Molecules containing a phenolic group % Bisphenol A 100% 4,4'-(ethylidene) bisphenol 10% Bis-(4-hydroxy phenyl)-methane 1% Nonylphenol 0.1% 4-cumylphenol 1% Molecules lacking a phenolic group %Vinclozolin 0.1% Pirimifos-ethyl < 0.1% 17-Estradiol < 0.1%Sulfadimidine < 0.1% Determined cross-reactivity in an indirect ELISA assay is: Molecules containing a phenolic group %Bisphenol A 100% 4,4'-(ethylidene) bisphenol 10% 4-cumylphenol 10% Molecules lacking a phenolic group % Cross Reactivity Vinclozolin <0.1% Pirimifos-ethyl < 0.1% 2,4 D < 0.1% Fenitrothion < 0.1% Chlorpyrifosmethyl< 0.1% Erythromycine < 0.1%