1,4-Dimethylnaphthalene, 10 µg/ml, Cyclohexane,

Thiophene/2-Methylthiophene (2:1) in isooctane/Toluene(3:1); Units: 5x1mL ampoules, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4056-0 Blank 0 S-4056-5 5

Nordiazepam, neat, Solvent-neat, Unit 5g, # of units-1, Cas.no. 1088-11-5

PBB-No. 1, certified, 50mg