4,4’-DDT

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

oxy-Chlordane, 10 ng/µl, 1ml

Venlafaxine hydrochloride,1000 µg base/mL,MeOH,1mL