EPA Method 8260 VOC Standard

Octachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Ammonium Nitrate as NH4+

n-C17/(n-C17 + n-C27) (Integration control) 2000 µg + 500 µg in isooctane solution in 1mL isooctane n-Heptadecane/n-Heptacosane = 4:1