Methoxychlor, 100 µg/ml, Ethyl acetate, 5ml

Demeton-S-methyl-sulfoxide, 100 µg/ml, Ethyl acet

1,1,1-Trichloroethane, , , 0.5ml

(-)-trans-11-Nor-9-carboxy-Δ9-THC, 1000µg/ml in MeOH, 1ml