Nitrate & Nitrite as N

cis-Nonachlor, 100 µg/ml, Cyclohexane, 1ml

Dibenzo[a,l]tetracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 226-86-8

PCB No. 29, 10μg/mL in Isooctane, 10ml