alpha-Endosulfan-d4 (1,1,5,5-d4),100 µg/mL,n-nonane,1mL,

5-Methyl-1-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 51149-87-2

Nitrofen, 10µg/ml in Cyclohexane, 10ml

Naphtho[8,1,2-bcd]perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 88-89-6