On March 15, 2022, Anhui Province sewage unit self-monitoring information public platform shows that Anhui xxx group ammonia nitrogen in 2022.3.11-2022.3.13 suspected exceeded the emission standard. PECC reflected the situation to the local environmental protection bureau through 12369 and Weibo, as detailed in the following chart:

March 18, 2022 received feedback from the local environmental protection bureau: for the enterprise exceeding the standard has been investigated and verified, and issued a notice of administrative penalty, requiring the enterprise to carry out rectification.