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

Benzo[k]fluoranthene-d12, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 93952-01-3

1,2,3,7,8-Pentachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Tris(4-isopropylphenyl) phosphate,50 µg/mL,toluene,1mL,