PCB No. 170, 10 ng/µl, 10ml

Ethanol standard in water,2.0g/L,water, 3mL

9-Ethylcarbazole, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 86-28-2

Permethrin (mix isomers), 1000μg/ml in MeOH, 1ml