1. ACCUMULATION OF HEAVY METALS IN PLANTAGO MAJOR GROWN IN URBAN AND POST-INDUSTRIAL AREAS. Authors: ALEXANDRU OZUNU, MARIA-ALEXANDRA HOAGHIA, ENIKO KOVACS, LEVENTE LEVEI.2. METHOD VALIDATION FOR THE DETERMINATION OF EXCHANGEABLE CATIONS IN NATURAL ZEOLITES USING INDUCTIVELY COUPLED PLASMA OPTICAL EMISSION SPECTROMETRY. Authors: MARIN SENILA, OANA CADAR, MARIA-ALEXANDRA HOAGHIA, ZAMFIRA DINCA, LACRIMIOARA SENILA, IOAN ASCHILEAN, CECILIA ROMAN.3. ACTIVATED NATURAL ZEOLITES FOR PETROLEUM HYDROCARBONS ADSORPTION. Authors: MARIA-ALEXANDRA HOAGHIA, IOAN ASCHILEAN, VANDA BABALAU-FUSS, ANCA BECZE, OANA CADAR, CECILIA ROMAN, MARIUS ROMAN, MARIN SENILA, ENIKO KOVACS.4. PHYSICO-CHEMICAL CHARACTERIZATION OF WATER WELLS FROM REMETI, MARAMURES. Authors: THOMAS DIPPONG, CRISTINA MIHALI, OANA MARE ROSCA, MONICA MARIAN, MARIA MAGDALENA PAYER, MARCEL ȚÎBÎRNAC, SEBASTIAN BUD, GEORGE COMAN, ENIKO KOVACS, MARIA-ALEXANDRA HOAGHIA.5. NUTRIENT AND ORGANIC MATTER REMOVAL FROM CHICKEN MANURE LEACHATE USING CHLORELLA SPP. . Authors: ZAMFIRA DINCA, MARIA-ALEXANDRA HOAGHIA, ANAMARIA IULIA TÖRÖK, ENIKO KOVACS, OANA CADAR, EMILIA NEAG, CECILIA ROMAN.6. SUBMICRON AIRBORNE DUST PARTICLE MONITORING SYSTEM. Authors: CECILIA ROMAN, MARIUS ROMAN, LUCIAN DORDAI, ENIKO KOVACS, MARIA-ALEXANDRA HOAGHIA, FERENC PUSKAS.