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

2,2’,4,5,5’-Pentachlorobiphenyl (101)

Diclofenac-d4 (phenyl-d4), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 153466-65-0

EPA Method 528 Fortification Solution