Etridiazole, 100 µg/ml, Toluene, 5ml

Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 200ng/ml , nonane

(24R)-24-Methyl-3,5-cyclocholestane and (24R)-24-Ethyl-3,5-cyclocholestane, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 36545-67-2 / '38776-72-6

2,2’,3,4,6’-Pentachlorobiphenyl (89)