Fenitrothion, 100 µg/ml, Ethyl acetate, 5ml

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

13C18-Triphenyl phosphate, 1.2ml x 50ug/ml, toluene

PCB No. 141, 100µg/ml in Isooctane, 1ml