Metoprolol (free base),neat,neat,50mg,

2,4-Dimethylhexane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 589-43-5

EPA Method 525Mix #2

Pendimethalin-d5 [N-(1-ethyl-1',1'-d2; propyl-1,2,2-d3)], 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1219803-39-0