Multi-Element Standard

2,3,4-Tribromophenol, 1.2ml x 100ug/ml, toluene

4-Ethylphenol, 100 µg/ml, Acetonitrile, 1ml

2,2',3,3',4,5,6'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL,