List of Articles Pollution load Open Access Article Abstract Page Full-Text 1 - Evaluation of efficiency and optimization of Photo- Fenton process parameters in beet sugar wastewater treatment using response surface methodology (RSM) Abbas Alipour Hajiagha Mojgan Zaeimdar Seyed Ali Jozi nooshin sajadi Arezoo Ghadi 10.30495/jest.2022.40958.4513 Open Access Article Abstract Page Full-Text 2 - Discharge of Industrial Wastewater to Urban Wastewater System: Challenges and Solutions Aqil Qorbani Seyed Hossein Hashemi Open Access Article Abstract Page Full-Text 3 - Survey of Soil Pollution of Zahedan City Landfill by Heavy Metals (Chromium, Cadmium, Lead and Arsenic) Using Pollution Load Index and Ecological Risk Fatemeh Bazzi Mohammad Reza Rezaei Mohammad Hossein Sayadi Anari Open Access Article Abstract Page Full-Text 4 - Investigation of physicochemical properties of water in downstream areas of selected dams in Aras catchment and water quality assessment (Case study: Aras catchment in the border area of Iran and Armenia) Ebrahim Safizadeh Dariush Karimi Hamid Reza Gahfarzadeh Seyed Abbas Pourhashemi 10.22034/ap.2021.1912491.1082