Isofenphos-methyl, 100 µg/ml, Toluene, 1ml

EPA Method 8260B Mix #5

1,2-Dimethyl-3-nitrobenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 83-41-0

EPA Method 8121 Surrogate Standard