Diethyleneglycol-monobutylether, 1000µg/ml in MeOH

2,4,5-Trimethylaniline, 100 µg/ml, Methanol, 5ml

PCB No. 185, 10 ng/µl, 10ml

S-4331 B[a]P/HCB Internal Standard (solvent - Nonane) Product Concentration Hexachlorobenzene-13C6 10 µg/mL 1088,20 Benzo[a]pyrene-d12 100 µg/mL Solvents: n-Hexane