EPA Method 642 - Analytes

D4-Diclofenac, 100 µg/ml, Acetone, 1ml

Isocaffeine (1,3,9-Trimethylxanthine), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 519-32-4

Captafol, 100 µg/ml, Cyclohexane, 1ml