EPA Method 525 - Fortification Solution

2-Methylnaphthalene, 100 µg/ml, Acetonitrile, 1m

2,3',4,4',5-Pentachloro-3-biphenylol, 1.2ml x 50ug/ml, nonane

12.880 µS/cm conductivity solution (box of 25x20mL sachet)