EPA Method 1666 Standard #1

4-Methoxyphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15638-06-9

Pyrifenox, 100 µg/ml, Acetonitrile, 1ml

1,2,3,8,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene