EPA Method 500 Series Internal Std #4

Phthalic acid, bis-2-n-butoxyethyl ester, certified, 0.1g

1,1,6-Trimethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 475-03-6

Custom Metals Standard