1. British Standard (1988) Water quality-Physical, chemical, and biochemical methods-Method for the determination of the chemical oxygen demand (BS 6068–2.34(1988): 1988). https://infostore.saiglobal.com/en-us/Standards/BS-6068-2-34-1988-1988-245504_SAIG_BSI_BSI_571840/. (accessed 24 June 2021)
2. China Court (2019) Shaoxing Environmental Protection Bureau, Zhejiang Shangfeng Building Materials Co., Ltd., Zhuji City Ciwu Town People's Government ecological environmental damage compensation agreement judicial confirmation case. https://www.chinacourt.org/article/detail/2019/06/id/4004425.shtml. (accessed 24 June 2021)
3. Department of Emergency Management of Sichuan Province (DEMSP) (2019) Sichuan Yibin Hengda Technology Co, Ltd. reported the investigation of the ‘July 12’ major explosion and fire accident: 15 people were transferred to the judiciary, and 4 people were investigated by the Discipline Inspection Commission. https://yjt.sc.gov.cn/scyjt/anquanyinhuanbaoguangtai/2019/12/6/048e31ab15664b86bdcdfafcde7ec0b4.shtml. (accessed 24 June 2021)
4. Deshwal BR, Lee HK (2004) Kinetics and mechanism of chloride based chlorine dioxide generation process from acidic sodium chlorate. J Hazard Mater 108(3):173–182. https://doi.org/10.1016/j.jhazmat.2003.12.006
5. DIN (1986) German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of the chemical oxygen demand (COD) (S 9) (DIN 38414–9: 1986–09). https://www.beuth.de/en/standard/din-38414-9/1310332. (accessed 24 June 2021)