17 alpha(H),21ß(H)-(22RS)-Homohopane, 50µg/mL in Isooctane, 1ml

Dinaphtho[1,2-b;2',1'-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 239-69-0

o,p'-Methoxychlor, 1.2mL x 100ug/mL, nonane

4,4'-DDT, 10.0 µg/ml, Ethyl acetate, 10ml