EPA Method 353.2 Nitrate + Nitrite

2,4-Dichloro-6-methylphenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 1570-65-6

6-Methyl-1-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 24894-78-8

2,2',3,4,4'-Pentabromodiphenyl ether,50µg/ml IO,1m