Prosulfuron, 10.0 µg/ml, Acetonitrile, 10ml

Endosulfan-sulfate, 100 µg/ml, Methanol, 1ml

Method 200.8 / 1638 / 1640 Internal Standard, in 2%-HNO3/Water, 4x25ml

2-Bromoallyl-2,4,6-tribromophenyl ether,50 µg/mL,isooctane,1mL,