"Hydrogeochemistry and use of groundwater quality indicators (caffeine, nitrate, chloride, boron and potassium) in in situ sanitation areas in the alluvial plain of the Atibaia River, Campinas, São Paulo, Brazil" (PhD). Candidate: Osvaldo Jorge Brito Rupias. Advisor: professor Sueli Yoshinaga Pereira. December 10, 2020, at 14 pm, in the IG videoconference room.