EPA Method 524 & 624 - Internal Standard

Prometryne

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

1,2,3,4,7-Pentachlordibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.