EPA Method 551.1 Performance Check Soln

2,6-Di-tert-butyl-4-methylphenol (2,6-Bis(1,1-dimethylethyl)-4-methylphenol), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 128-37-0

Meloxicam, 100mg

1-Methylnaphthalene, 100 µg/ml, Acetonitrile, 1m