Desmedipham, 100µg/ml in MeOH, 5ml

Phenanthrene, certified to near 1ug/ml, 1000ng/mL, Solvent-water, Unit 1mL, # of units-1, Cas.no. 85-01-8

(S)-Hypoglycine A, 85%, 1mg

Formaldehyde (0.1 ppm)