Fluorene, 10µg/ml in Acetonitrile, 10ml

alphaßß (20S,24RS)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

EPA Method 8040 - Surrogate Standard Mix

Chlorothalonil Metabolite R417888-13C2,15N2 sodium salt, 10µg/ml in MeOH, 1ml