EPA Method 8260B - Purgeable Internal Std

4-tert-Butylphenol, 100 µg/ml, Acetone, 5ml

4,10-Dimethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 23189-63-1

3ß-Benzoyloxy-18ß(H)-olean-12-one, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 106386-89-4