EPA Method 8081A Pesticide Standard B

2,2',3,3',4,5,5'-Heptachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

N-Nitrosomorpholine

2,3',4',6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,