EPA Method 8270C - B/N Matrix Spiking Solution

9-trans,12-trans-Octadecadienoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-21-8

Pyrazophos, , Solvent-, Unit , # of units-, Cas.no. 13457-18-6

D4-4-n-Nonylphenol, 100 µg/ml, Acetone, 1ml