EPA 8240B Calibration Mix 6

Metoprolol-d7 hydrochloride (isopropyl-d7), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1219798-61-4

1,2-Dimethoxyethane, Internal Standard in isooctane, ASTM, 2000µg/mL, Solvent-isooctane, Unit 20mL, # of units-1, Cas.no. 110-71-4

3-Chloro-1,2-propandiol-1-monolinoleate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.