EPA Method 8240A - Purgeable Surr Std

Crotaline,100 µg/mL,dried down,1mL,

2-Methylheptadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1560-89-0

Omeprazole-d3 (benzimidazole-4,6,7-d3),1000 µg/mL,MeOH,1mL