Nitrate & Nitrite as N

4-Methyldecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2847-72-5

2,3,7-Tribromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Dialy Quality Control Standard (with Internal Standard) 3 Analytes, each Vol.% as listed in isooctane; units: 1x10 mL, 5x10mL. Name Vol.% Benzene 0.64 Toluene 4.8 Isooctane 90.56Methylethylketone (Int.Std.) 4.0