EPA Method 611 - Analytes

Phthalic acid, bis-iso-butyl ester, certified, 0.25g

4-Isopropylaniline, 100 µg/ml, Methanol, 5ml

1-tert-Butyl-4-ethylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 7364-19-4