Silthiofam, 100 µg/ml, Ethyl acetate, 5ml

MTBE, 1000µg/ml in MeOH, 5ml

1,2-d2 Isoadiantane, 10µg/ml in Isooctne, 1ml

ISO 18857-1 4-n-Nonylphenol (ring13C6), Internal standard 1 ng/µL, in acetone, 5mL