List of Articles Pollutant elements Open Access Article Abstract Page Full-Text 1 - Investigating and identification of sources and parameters of water pollution in Karaj River in Islamshahr range Maryam Khodabakhshi Farahnaz Karimzadeh Behnoush Khoshmanesh Afshar Zieazarifi Open Access Article Abstract Page Full-Text 2 - The Investigation of river sediments heavy metals Pullutants with Geoaccumulation Index , Pollution Coefficient and Analysis of the main component (case study: Jajrooad in the range of pardis city) Alireza Niknam Bojandi Farahnaz Karimzaheh Masoumeh Sohrabi Mulla Yosefi Open Access Article Abstract Page Full-Text 3 - Investigating the amounts of sediment pollutants of the Karaj River in the area of Eslamshahr (southern Tehran) and their adverse effects on the surrounding environm Farahnaz Karimzadeh Maryam Khodabakhshi Behnosh Khoshmanesh Afshar Ziyazarifi