p,p'-(13C12)Methoxychlor, 100µg/ml in Nonane, 1,2ml

Benzo[g]chrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 196-78-1

beta-HCH, 100 µg/ml, Ethyl acetate, 5ml

ISO 9377-2MOD Stearyl Stearate Solution for Comparison 0,5ml Stearyl stearate test solution (S-4517) with 24,5ml Extraction solvent (n-Pentane) Unit: 1mL for direct GC-Comparison