1. SPECTROPHOTOMETRIC AND PAPER ELECTROPHORETIC STUDIES OF THE COPPER (II) POLYOXOTUNGSTOBISMUTHATE COMPLEXES. Authors: DAN RUSU, CRISTINA ROŞU, MARIANA RUSU, GHEORGHE MARCU.2. WATER QUALITY IN CLUJ’S PRIVATE DRINKING WATER WELLS. Authors: CĂLIN BACIU, DAN COSTIN, VIOREL ARGHIUŞ, CAMELIA COSTAN, CRISTINA ROŞU.3. THE EXPOSURE OF PRIMARY SCHOOL CHILDREN TO CARBON MONOXIDE, PARTICULATE MATTER AND MICROCLIMATE, FROM ALBA COUNTY. Authors: IULIA NEAMTIU, EUGEN S. GURZĂU, CRISTINA ROŞU, IOAN-CRISTIAN POP, ARTUR IONESCU.4. SAMPLING OF INDOOR DUST FOR ANALYSES OF BIOLOGICAL INDOOR CONTAMINANTS IN FIVE ROMANIAN SCHOOLS IN ALBA COUNTY. Authors: EUGEN S. GURZĂU, IULIA NEAMŢIU, CRISTINA ROŞU, LUCRINA ŞTEFĂNESCU.5. ASSESSMENT OF INDOOR AIR QUALITY BY PASSIVE SAMPLING OF NO2 AND O3 IN SCHOOLS OF ALBA COUNTY. ROMANIA. Authors: IULIA NEAMŢIU, EUGEN GURZĂU, CRISTINA ROŞU, ILDIKO MELINDA MARTONOŞ.6. PASSIVE SAMPLING OF INDOOR AIR FORMALDEHYDE IN FIVE ROMANIAN SCHOOLS IN ALBA COUNTY. Authors: EUGEN GURZĂU, IULIA NEAMŢIU, CRISTINA ROŞU, CARMEN ROBA.7. ASSESSMENT OF THE SURFACE WATER QUALITY USING WATER QUALITY INDEX (WQI). CASE STUDY: SOMEȘUL MIC RIVER, CLUJ-NAPOCA, ROMANIA. Authors: CRISTINA ROŞU, GABRIELA POPIŢA, CARMEN ROBA, ANCA UNGUR, IOANA PIŞTEA.8. GROUNDWATER POLLUTION ASSESSMENT IN A RURAL AREA BASED ON WATER QUALITY INDEX. CASE STUDY: COTU-VAMEŞ VILLAGE, NEAMȚ COUNTY, ROMANIA. Authors: CARMEN ROBA, IOANA PIȘTEA, ALICE NAZARETEAN, CRISTINA ROŞU.9. THE PRESENCE OF DISSOLVED ANIONS IN SEVERAL WELL WATER SAMPLES FROM NADĂŞ VILLAGE (CLUJ COUNTY). Authors: CRISTINA ROŞU, CARMEN ROBA, IOANA PIŞTEA, CARLA NICOARĂ.10. THE INTAKE OF NICKEL, CADMIUM AND MANGANESE THROUGH THE INGESTION OF GROUNDWATER FROM SEVERAL PRIVATE WELLS FROM BAIA MARE (ROMANIA) METROPOLITAN AREA. Authors: CĂLIN BACIU, ALEXANDRU OZUNU, CRISTINA ROŞU, CARMEN ROBA.11. WASTE RECOVERY FROM LEATHER. Authors: OVIDIU NEMEŞ, GABRIELA POPIŢA, DORIN MANCIULA, CRISTINA ROŞU, RĂZVAN DUMITRU POP.12. ANALYSIS OF THE RELATIONSHIP BETWEEN THE CONTENT OF HEAVY METALS IN SOIL AND DUST IN COPŞA MICĂ. Authors: CRISTINA ROŞU, ANAMARIA RADU, BOGDAN VÂLCAN, CRISTIAN POP, CAMELIA MICLӐUŞU.13. STUDY OF SOIL POLLUTION WITH HEAVY METALS IN THE TOWN OF COPȘA MICĂ. Authors: CRISTINA ROŞU, ANAMARIA RADU, BOGDAN VÂLCAN, CRISTIAN POP, CAMELIA MICLӐUŞU.14. EVALUATION OF GROUNDWATER QUALITY FOR DRINKING AND IRRIGATION BY CALCULATING SPECIFIC QUALITY INDEXES. CASE STUDY: BAIA MARE MINING AREA, ROMANIA. Authors: ALEXANDRU OZUNU, CARMEN ROBA, CRISTINA ROŞU, IOANA CRISTINA PIŞTEA.15. CONDUCTOMETRIC TESTS AND TOTAL CHROMIUM LEACHABILITY IN AQUEOUS SOLUTION, FROM TANNED LEATHER WASTE. Authors: CRISTINA ROŞU, ANTOANELA POPOVICI, DORIN IOAN MANCIULA, GABRIELA-EMILIA POPIŢA.16. CHEMICAL CHARACTERISATION OF ACID MINE DRAINAGE FROM VALEA ȘESEI TAILING DAM (NW OF ROMANIA) AND ITS IMPACT ON SURFACE WATER QUALITY. Authors: DIANA IULIANA TOMUȘ, CARMEN ROBA, CRISTINA ROŞU.