Bisphenol S (13C12, 98%), 100µg/mL in MeOH, 1,2ml

Low level Nitrogen Calibration Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4142-0 Blank S-4142-05 0.5 S-4142-1

Napropamide, 100 µg/ml, Cyclohexane, 5ml

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