Methidathion, 100 µg/ml, Ethyl acetate, 5ml

Metolachlor oxanilic acid (OA), certified, 10mg

Diphenyltolyl phosphate - purified techn. mixture of o-, m-, p-tolyl isomers,50 µg/mL,toluene,1mL,

PAH-Mix 45, 10µg/mL in Cyclohexane, 10ml