2,4,5-Tribromophenol, 1.2ml x 100ug/ml, toluene

Methyl sulfone

Ethoprophos, 100 µg/ml, Acetonitrile, 1ml

2,2',3,4',6'-Pentachlorobiphenyl (= 2,2',3',4,6-),100 µg/mL,isooctane,1mL,