Naphthalene-1,4-d2, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1683-98-3

Sebuthylazine-d5 (ethyl-d5), 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1219805-56-7

Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K

3ß,17 alpha(H),21 alpha(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no.