Calibration Standard 1

Dimethoate, 1000µg/ml in MeOH, 1ml

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

L-PFOSK with branched isomers, 50µg/ml in MeOH, 1,2ml