Alachlor, 10.0 µg/ml, Ethyl acetate, 10ml

Chlorhexidine dihydrochloride, certified, 0.25g

Benzo[a]fluoranthene,100 µg/mL,acetonitrile,1mL,

2,3,4,5-Tetrachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane