Methyl cis-11,14,17-eicosatrienoate C20:3, 10mg/ml in Heptane, 1ml

1-(3,4-Dichlorophenyl)urea, 10 µg/ml, Acetonitril

Nitrogen Calibration Set-High Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Carbazole Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4141-0 Blank S-4141-03

Dibenzo[a,h]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 189-64-0