“…We used a questionnaire that designed by Hassanvand et al [1] that is consist of five sections: (1) Quantity of HWs generation, (2) Separation, packaging, and labeling of HWs, (3) temporary storage method of HWs, (4) Discharge or collection frequency of HWs, and (5) treatment and final disposal method of HWs [[2], [3], [4], [5], [6], [7], [8]].…”