Ethoprophos, 10.0 µg/ml, Acetonitrile, 10ml

Acetylsalicylsalicylic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 530-75-6

Pentachloro(13C6)benzene, 1.2mL x 100ug/mL, nonane

Native PCB Solution, 1.2ml, nonane