Modified 525.2 Pesticide Standard #1

Formaldehyde (0.1 ppm)

Fluorene-d10, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 81103-79-9

Cortisol-9,11,12,12-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 73565-87-4