Dieldrin, 100 µg/ml, Methanol, 1ml

Iodofenphos, 10.0 µg/ml, Ethyl acetate, 10ml

ISO 9377-2MOD Extraction Solvent Stock Solution I 20ul of n-Heptane and 20mg of n-Tetracontane solved in 1000ml n-Pentane

2,5-Dichlorotoluene, 250mg