Difeconazole,, 100µg/ml in Acetonitrile, 5ml

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

Benzo[k]fluoranthene, 10.0 µg/ml, Acetonitrile,

Ethanol standard in water,1.0g/L,water, 1.5mL