Mevinphos, 100 µg/ml, Ethyl acetate, 1ml

U{13C22}-Roquefortine C, 25µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.

Trixylyl phosphate, purified ion m/z 368 (trimethyl),100 µg/mL,isooctane,1mL,

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