PCB 209, 100µg/ml in Cyclohexane, 5ml

Alachlor (ring 13C6), 100ug/ml in n-Nonane, 1,2ml

Tolchlophos-methyl,100 µg/mL,MeOH,1mL,

Quinmerac, 100 µg/ml, Methanol, 5ml