Propanil, 100 µg/ml, Acetonitrile, 5ml

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

2,4-Dichlorophenol, 10µg/mL in MeOH, 10ml

Ofloxacin,100 µg/mL,MeOH,1mL,