Nitrite as NO2-

EPA Method 552.1, 552.2 - Haloacetic Acids

12-Hydroxystearic acid,1000 µg/mL,chloroform,1mL,

n-Hexadecane-d34, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 15716-08-2