List of Articles drinking water Open Access Article Abstract Page Full-Text 1 - Heavy Metals Contamination and Distribution in Drinking Water from Urban Area of Mashhad City in Northeast Iran: Implications for Water Quality Assessment Batoul Zarif Gharaati Oftadeh Belin Tavakoly Sany Hossein Alidadi Mohammad Zangouei Reza Barati Atefeh Naseri Mohammad Tafaghodi 10.22034/jchr.2021.1931089.1312 Open Access Article Abstract Page Full-Text 2 - Investigating Nitrate and Nitrite Concentrations in Drinking Water of Five Districts in Tehran and Assessing the Presence of Nitrate Reducing Bacteria Reza Haji Seyed Mohammad Shirazi Maryam Tala Seyed Amir Ali Anvar Bahareh Nowruzi Zohreh Saeidi Masomeh Negahban 10.22034/jchr.2021.1921756.1246