Sulfamethoxazole-d4 (benzene-d4),100 µg/mL,MeOH,1mL

Naphthalene-d8, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1146-65-2

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)

Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane