EPA Method 625 Base/Neutrals Mix #4

2,6-Dinitroanisole, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 3535-67-9

Metoxuron, 10 µg/ml, Acetonitrile, 10ml

N-Nitrosopiperazine, 100mg