Oil & Grease - Calibration

1-Perfluoroheptyl ethanol (7:2 secondary), 1.2ml x 50ug/ml, methanol

2,4-D 13C6, 100µg/ml in Acetone, 1ml

Dimethyl sebacate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 106-79-6