7,12-Dimethylbenz[a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 57-97-6

1,2,3,6,7,8-Hexahydropyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1732-13-4

2,2',3,3',4,5,6'-Heptachlorobiphenyl (174)

ISO 17495 Internal Standard Stock Solution 2 Internal standards, each 10µg/mL in acetone; unit: 1x5mL 2061.6 2,4-Dibromophenol [615-58-7] 2060.6 2,4,6-Tribromophenol [118-79-6] The following compounds are suggested as alternative I