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Ekspanzija u primeni herbicida na bazi atrazina u Republici Srbiji poslednjih decenija dovela je do nagomilavanja ostataka atrazina i njegovih degradacionih produkata u životnoj sredini, čime su naročito ugrožene podzemne vode. Radi provere prisustva atrazina i njegovih metabolita deetil-atrazina (DEA) i deizopropil-atrazina (DIA) u podzemnim vodama sproveden je monitoring program u periodu 2007−2009. godine na područjima pod intenzivnom poljoprivrednom proizvodnjom na teritoriji Republike Srbije. Podzemna voda prve izdani uzorkovana je na 327 lokaliteta, ukupno je prikupljeno 1408 uzoraka. Ekstrakcija analita iz vode izvedena je metanolom uz primenu C18-ENVI diska (47 mm), dok je nivo rezidua određen primenom gasne hromatografije sa masenim spektrometrom (GC/MS). Analizom je utvrđeno prisustvo atrazina, DEA i DIA iznad 0,1 µg/dm³ u podzemnim vodama većine lokaliteta obuhvaćenih ispitivanjem. Najveće vrednosti ispitivanih analita utvrđene su na lokalitetima sa intenzivnom proizvodnjom kukuruza, kao i na površinama pod voćnjacima i vinogradima, gde je atrazin primenjivan u velikim količinama. The intensive use of atrazine herbicides in the Republic of Serbia during recent decades has led to the accumulation of residues of atrazine and its metabolites in the environment, which endangers groundwater. With the objective to check the presence of atrazine and its metabolites deethylatrazine (DEA) and deisopropylatrazine (DIA) in the groundwater, the monitoring programme was carried out over the period from 2007 to 2009 in the localities where the atrazine-based herbicides were intensively applied for a number of years. Samples were taken from 327 localities, in total there were 1408 samples of groundwater of the first welling-up collected. The atrazine and its metabolites were extracted with methanol by means of ENVI-C18 (47mm) disc, and the residue level of the studied compounds was analyzed with gas chromatography–mass spectrometry (GC–MS). In the most of groundwater samples collected from agricultural regions, the average value of all tested analytes was above 0.1 μg/dm3. The highest values of atrazine and its metabolites were in the localities that are known for intensive maize production and in the areas of this region under orchards and vineyards, where atrazine was used in large quantities. The average content values of this active substance in the analyzed samples are the result of intensive and long-term usage of this group of herbicides, as well as the high level of groundwater in this region.

The quality of water and soil in agricultural production are very important. The intensive use of the herbicide atrazine in Serbia during the last decades, has led to the accumulation of residues of atrazine and its metabolites in the environment. This study was conducted in order to verify the presence of atrazine and its metabolites residues in groundwater and the presence of atrazine residues in soil in the region of northern Serbia, where due to intensive agricultural production, atrazine has been applied in large quantities (2-20 kg/ha) for many years. Groundwater aquifer and soil samples from the arable layer (0-30 cm) were collected from 15 sites in the region of northern Serbia in the vicinity of wells that were used as source for water samples. The extraction of atrazine and _ its metabolites, deethylatrazine (DEA) and deisopropylatrazine (DIA) from water was carried out with methanol using C-18 DSK 47mm (Supelco No.57171), while the extraction from soil samples was conducted with Soxhlet - methylene chloride. Residue levels were analyzed by GC/NPD. The average concentration values for atrazine, DEA and DIA in groundwater samples wer 0.123yug/ (0.001-0.43yg/), 0.06yg/ (0.001-0.5yg/l) and 0.27pg/ (0.01-2.02yg/l) respectively. In 47% of the analyzed groundwater samples the concentration of atrazine and/or its metabolites was above O.1pg/. The average value of atrazine concentration in soil samples was 0.038mg/kq (0.001-0.155mg/kg). According to theRegulations of the Republic of Serbia the maximum level of atrazine in soil is declared respectively for sensitive crops and range from 0.06 to 1.0mg/kg. The result is a consequence of intensive and long-term usage of this group of herbicides, as well as the high level of groundwater in this region. The use of atrazine was recently banned in Serbia and we can expect a gradual reduction of its residues in this region.

Soil and water of adequate quality are essential for food safety, However, the intensive use of pesticides, especially triazine based herbicides, in recent decades, has led to an accumulation of their residues in the environment. This essay presents the results of monitoring and analysis of atrazine residues in samples of ground water aquifer and soil collected in the vicinity of wells, in areas under intensive agricultural production in the region of Srem, where atrazine has been applied for many years. Residue levels of atrazine were analyzed by GC/NPD, and the results showed that its average value in samples of groundwater was 0.123 mg/l, and 0.038 mg/kg in soil. These values indicate that groundwater and soil from this region generally fulfill the requirements of agricultural production.