CONTENTS — volume 5, no 4, 1979

Original article

Genetic risks caused by occupational chemicals. Use of experimental methods and occupational risk group monitoring in the detection of environmental chemicals causing mutations, cancer and malformations.
Congenital defects and occupational factors. A comparison of different methodological approaches.
Increased frequency of chromosome aberrations in workers exposed to styrene.
The battle against occupational lead poisoning in Finland. Experiences during the 15-year period 1964--1978.
Comparative percutaneous toxicity of ten industrial solvents in the guinea pig.
The effects of moderate heat stress on mental performance.
Serum and urinary vanadium of vanadium-exposed workers.
Blood flow in the contralateral hand during vibration and hand grip contractions of lumberjacks.
Analysis of some older Scandinavian formulations of 2,4-dichlorophenoxy acetic acid and 2,4,5-trichlorophenoxy acetic acid for contents of chlorinated dibenzo-p-dioxins and dibenzofurans.
Determination of quartz on membrane filters by X-ray diffraction.
A simple analytical technique for the determination of hexavalent chromium in welding fumes and other complex matrices.
Direct determination of chromium in urine by electrothermal atomic absorption spectrometry.