Biphenyl, 10.0 µg/ml, Cyclohexane, 10ml

Diphenyl-p-tolyl phosphate-d7 (p-tolyl-d7),100 µg/mL,isooctane,1mL,

2,3,6,7-Tetrachloroxanthene , 1.2ml x 50ug/ml, toluene

Endrin ketone, 100 µg/ml, Acetonitrile, 1ml