D4-4-n-Nonylphenol, 100 µg/ml, Acetone, 10ml

2,3,3',4,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Copper AA Standard (Cu)

Siloxanes - Mix 7, 10µg/ml in Acetone, 5ml