alpha-Cypermethrin, 100mg

Benzo[b]fluoranthene, 100µg/mL in Acetonitrile, 1ml

2-Methylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 643-58-3

Nitrate & Nitrite as N