1Jinan Environmental Monitoring Center, Jinan 250014, China
2Jinan Research Academy of Environmental Sciences, Jinan 250014, China
3Research Center for Eco-environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
4Shandong Analysis and Test Centre, Jinan 250014, China
Submission date: 2016-08-28
Final revision date: 2016-10-27
Acceptance date: 2016-11-03
Online publication date: 2017-03-22
Publication date: 2017-03-22
Pol. J. Environ. Stud. 2017;26(2):949–954