Pentachlorophenol

2,2',6,6'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Aqueous Ethanol Standard (3,0g/l), 10 x 1,2ml

rac-(1R,2R,5R,6R)-1,2,5,6-Tetrabromocyclooctane, 1.2ml x 50ug/ml , toluene