[Determination of permissible levels of skin contamination by harmful substances entering human body through the skin].

The author summarizes the results of his long-standing investigations aimed at quantity determination and hygienic regulation of harmful chemicals entering the body through skin. Also the author offers some formulas to calculate the rate of entering substances through skin and values of maximum allowable levels of human skin contamination. The classifications which help to evaluate the danger of chemicals entering the body percutaneously are presented.