2,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml

4,4’-Methoxychlor

3 alpha(H),17ß(H),21ß(H)-3-Hydroxyhopane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 28196-47-6

m-Tolualdehyde