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

2-n-Octylphenol, 100 µg/ml, Acetone, 1ml

2,3',4-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL,

Bumetanide,100 µg/mL,MeOH,1mL,