2,3,4,4',5,6-Hexachlorobiphenyl (166)

High Boiling Sulfur in Toluene for Diesel Fuel Analysis 1 50 ppm S in sulphur-free Toluene; unit: 1x5mL vials Benzo[b]naphtho[2,1-d]thiophene (0485,16) + Benzo[b]naphtho[2,3-d]thiophene (0484,16) (1:1)

Desmedipham, 100µg/ml in MeOH, 5ml

1,2,4,5,8,9-Hexachloroundecane, 100µg/ml in Isooctane, 1ml