Evaluation of the hair matrix as valid for the determination of mercury pollution in artisanal miners Bolivar State- Venezuela.

Mercury (Hg) elementary metal or, is used in the extraction of gold and silver, in dental amalgams and a great variety of elements of measurement of temperature and pressure in medicine and the industry (1). The determination of Hg in different biological matrices, mainly in blood, urine and hair, it is important to value the contamination of Hg coming from the environment or the labor atmosphere. The volatileness and easy skin absorption of the metal and most of the mercury compounds, turn to him into a toxic difficult to control, reason why it is necessary that, besides applying strict measures of industrial hygiene, frequent biological controls become of exhibition (2). The study was carried out in 32 workers of both sorts (22 men and 10 women) exposed to elementary Hg, all artisan miners of the State Bolivar-Venezuela. With ages averages of 36±14 years. Also one needed 20 individuals (12 men and 8 women) not exhibited labor, that we denominated group Control. One determined in urine and Hg hair to them. The existing correlations between both matrices studied, as well as the tinned effect of the fish consumption, products, and inlays, habits to smoke, exposure time, dye use or creams for the hair among others. Knowing that the plans of toxic metals and until of illegal drugs disappear of the urine, but the evidence remains catched in the hair. The hair has the advantage to count in the long term on memory. It is a permanent file, like the ring of the trees. The hair absorbs toxic minerals through its roots of the sanguineous torrent. The substance remains as grows the hair at a speed of 1, 25 cm per month. A length of hair of 7, 5 cm of the portion more close to the hairy leather offers a history of 6 months. In resistance, the toxic mineral can later not show to a track in the urine only few hours or few days (3-6). This work tries to demonstrate if it exists or not a correlation in both studied and evaluated matrices.Giving rise to a matrix alternating and significant or on the contrary, to reject it when it is tried to evaluate poisoning and exhibition.