Use of mercury in agriculture and its relationship to environmental pollution / J.G. Saha and K.S. McKinlay -- The microdetermination of mercury and organomercury compounds in environmental materials / J.F. Uthe and F.A.J. Armstrong -- Mass spectra of some fungicidal organomercury compounds / O. Hutzinger, W.D. Jamieson and S. Safe -- Collection and determination of mercury in air / J. Scullman and G. Widmark -- Determination of trace levels of mercury in effluents and wastewaters / K.H. Nelson, W.D. Brown and S.J. Staruch -- The accurate measurement of lead in airborne particulates / A. Zdrojewski, N. Quickert, L. Dubois, and J.L. Monkman -- A radiochemical method for selective determination of traces of lead / J. Stary and K. Kratzer -- Determination of lead, cadmium, copper and zinc in biological materials by anodic stripping polarography / I. Sinko and L. Kosta -- Determination of traces of antimony by flameless atomic absorption spectroscopy / B.E. Schreiber and R.W. Frei -- Determination of some transition metals by atomic absorption spectroscopy after extraction with pyridine-2-aldehyde-2-quinolylhydrazone / R.W. Frie, T. Bidleman, G.H. Jamro and O. Navratil -- The determination of trace transition elements in biological tissues using flameless atom reservoir atomic absorption / D.A. Segar and J.L. Gilio -- Activation analysis and applications to environmental research / R.H. Filby and K.R. Shah.