POE (4-17) tert-Octylphenol,1000 µg/mL,water,10mL,

MCPA, 100µg/ml in Acetonitrile, 1ml

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

5'-Fluoro-2,3,3',4,4',5-hexachlorobiphenyl,100 µg/mL,isooctane,1mL,