Chlorpyrifos-methyl-desmethyl TMA salt, 100 µg/ml,

4,4'-Dihydroxydiphenylmethane, 1.2ml x 50ug/ml, methanol

Benzo[a]chrysene, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 213-46-7

Thiophene in Thiophene-free Benzene Units: 5x1mL ampoule, 10mL screw-capped bottle Chiron No. Concentration Light White Mineral Oil µg thiophene/g (20 cSt at 40°C)