EPA Method 552.2 - Surrogate Standard

Organophosphorus Pesticides

2,2,4,4,5,5,7,7-Octamethyloctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5171-85-7

1,2,3,7,8-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene