Thiacloprid-d4, 100µg/ml in Acetonitrile, 1ml

2,2-Bis[3,5-dibromo-4-(2,3-dibromopropoxy)phenyl]propane, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 21850-44-2

Dieldrin-13C12,100 µg/mL,n-nonane,1mL

(13C10)Heptachlor, 1.2mL x 100ug/mL, nonane