PCB No. 157, 10µg/ml in Isooctane, 10ml

Phenols Mix #1

1,2,3,7,8,9-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

D10-Carbamazepine, 100 µg/ml, Methanol, 1ml