Internal Standard Stock Solution, 1.2ml, nonane

cis-[2-Bromomethyl-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl]methyl Benzoate, 5g

1,2,4-Trichlorobenzene, 1000mg

Isoproturon-d3 (N-methyl-d3)