Pendimethalin, 10 µg/ml, Acetonitrile, 10ml

EPA Method 537 Native Primary Std (br/l mix), 2µg/ml in MeOH, 1,2ml

25-Hydroxyvitamin D3-d6 (Dimethyl 26,27-d6), 50µg/ml in MeOH, 1ml

Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3