EPA Method 526 Surrogate Standard

Theophylline

Pivaldehyde-PFOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no.

2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid hydrate (contains 5-10% isopropyl alcohol), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4065-45-6