2-Phenylbenzthiazole, neat, Solvent-neat, Unit 10MG, # of units-24, Cas.no. 883-93-2

1,2,3,4,7,8-Hexachlorodibenz-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.

High Boiling Sulfur in White Oil for Diesel Fuel Analysis 2 50 ppm S in sulfur-free White Oil (20 cst); units: 1x5mL vials Benzo[b]naphtho[2,1-d]thiophene (0485,16) + Benzo[b]naphtho[2,3-d]thiophene (0484,16) (1:1)

p-Isopropyl toluene