PCB No. 1, 100µg/ml in Isooctane, 1ml

Etridiazole, 10.0 µg/ml, Ethyl acetate, 10ml

6-Chlorovanillin , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 18268-76-3

N-Ethyl-N-phenylurethane, 50mg