2,4'-DDE, 100 µg/ml, Acetonitrile, 5ml

WP & DMRQA Low Level Mercury (Hg)

3,7-Dimethyl 2H-Furo[2,3-c]pyran-2-one >90%, 1mg

D4-4-n-Nonylphenol, 100 µg/ml, Acetone, 1ml