1. PRELIMINARY DATA REGARDING THE STUDY ON PESTICIDES APPLICATION IN A RURAL COMMUNITY. Authors: EUGEN S. GURZĂU, MARIA-ELISABETA LOVÁSZ.2. DETERMINATION OF AIR AMMONIA AND HYDROGEN SULFIDE AT A PIG FARM IN CLUJ COUNTY. Authors: GABRIEL GATI, SUSANA REVNIC, MARIA-ELISABETA LOVÁSZ, ANCA ELENA GURZAU, ANDREEA BRAD.