PCB No. 169, 10µg/ml in Isooctane, 10ml

POE (7-8) tert-Octylphenol, reduced,neat,neat,100mg,

1,2,3,4,6-Pentachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

N-Butylbenzenesulfonamide, 100 µg/ml, Acetonitril