Butafenacil, 10 µg/ml, Ethyl acetate, 10ml

1,2,3,4,6,9-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

1,3,5-Tris(trifluoromethyl)benzene

Phthalic acid, bis-isononyl ester, cert., 250mg