Nitrite (NO2-) as N

EPA Method 507 - Internal Standard

1-Methyl-2-naphthol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1076-26-2

4-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 14315-11-8