13C3-Caffeine, 100 µg/ml, Methanol, 1ml

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

Supplemental PAH Standard

n-Alkanes C14-C32 (even + pristane/phytane) 12 Analytes, each 1000 µg/mL in isooctane; units: 1x1mL, 5x1mL, 10x1mL This standard includes all the even n-paraffins + pristane and phytane.