D4-Prochloraz, 100 µg/ml, Acetonitrile, 1ml

2,3',4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2-Methyl-5-nitroaniline, 10.0 µg/ml, Acetonitrile

2,4,8-Trichlorodibenzofuran,50 µg/mL,n-nonane,1mL,