Chloroparaffin C18-C20 49 % Cl, 100 µg/ml, 10ml

Alachlor ESA sodium salt, 100µg/ml, Acetonitrile, 1ml

2,3',4,4',5',6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

pH 1.0 Standard @ 25°C