EPA Method 8260 - Purgeable Internal Standard

Benzene, certified, 5ml

2,3',4',5-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Perfluoro([5-methoxy-1,3-dioxolan-4-yl]oxy)acetic acid (C6O4), 1.2ml x 50ug/ml, methanol