Teflubenzuron, 100 µg/ml, Acetonitrile, 5ml

Purgeable Surrogate Standard

MCPB-ethyl, 100µg/ml in Acetonitrile, 5ml

1,2,3,4,6-Pentachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene