D4-Propyl paraben, 100 µg/ml, Methanol, 1ml

1,2-Pentanediol, 1000mg

9-Methylanthracene-d12, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6406-97-9

EPA Method 525.2 Standard