EPA Method 625 Base/Neutrals Mix #4

Trichlorfon, 100 µg/ml, Toluene, 1ml

1,2,3,4-Tetrachloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 20020-02-4

2,4-Dinitrophenol-PFB derivative