WS Chlorinated Pesticide Amp 1 - Cal Check 2

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)

Native PAH Solution/Mixture, 1.2ml, toluene

2-Methoxy-5-chlorobiphenyl, 100µg/ml in IO, 1ml