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In this study, the Persistent Organic Pollutants (POPs) specifically / 17 Organochlorine Pesticides (OCPs) and 19 Polycyclic Aromatic Hydrocarbons (PAHs) were evaluated in the sediment samples of Balikesir (Ikizcetepeler) Dam Lake. Sixteen sampling points were chosen for determination of concentrations of OCPs and PAHs After ultrasonic bath extraction of the sediment samples GC-MS was used as analytical tool. Extraction efficiencies changes from 63.8 to 87.4% depending on the type of the POPs. Average OCP concentration was found in the range of 3.33-379 &micro / g/kg a, average PAH concentration was found in the range of 3.28-32.9 &micro / g/kg. Pollution maps regarding OCP and PAH distributions were drawn and the correlation between these two pollutant types was investigated. The quality control (QC) and quality assurance tests were applied by the analysis of standard reference materials (SRMs), surrogate standards and analysis replicates.

Se estudió las emisiones de material particulado (PM), vapores y gases de chimenea del incinerador del Instituto Nacional de Enfermedades Neoplásicas y se registró la micrometeorolo' gía. Los gases de chimenea fueron recolectados con un muestreador isocinético; los sólidos totales suspendidos, por muestreo pasivo. Los análisis muestran elevados niveles de PM 10, que contiene Pb, Al, Zn y Ca, así como altas concentraciones de benceno y naftaleno en el gas de chimenea. Se observó que la dispersión del PM tiene escala local. / Toxic substances in gaseous emissions from hospital incineratorsThe Nationallnstitute for Neoplastic Diseases incinerator was studied: emissions were sampled and analyzed for particulate matter (PM), stack gases and vapors and the micrometeorology was also registered. Gases were collected with an isokinetic sampler, total suspended solids by passive sampling. Results show high levels of PM10, which contains Pb, Al, Zn and Ca; high levels of benzene and naphthalene in the gas fireplace. Local dispersion of PM was observed,