Nitrite as NO2-

3'-Fluoro-2,3,5,6-tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33284-54-7

Multi-Element Internal Std., 10ug/ml, 4x25ml

2,5-Dichloro-o-terphenyl, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.