EPA Method 502/524 Fortification Solution

1,3,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

10:2 Di-PAPS-d4, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no.

Nitenpyram, 10 µg/ml, Acetonitrile, 10ml