o-Xylene, 1000µg/ml in MeOH, 1ml

Ritalinic acid (threo), neat, Solvent-neat, Unit 200mg, # of units-1, Cas.no. 54631-24-2

2,6-Dibromophenol, Internal Standard Stock Solution Cat. No. 2472.6

EPA Method 552 Haloacetic acids