EPA Method 8081A Pesticide Standard A

PCB Congener Internal Standard Mix

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

1,2,3,4-Tetraphenyl-1,3-cyclopentadiene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 15570-45-3