
On April 14, 2020, our factory carried out the traceability work of automatic monitoring equipment for key wastewater discharge units in 2020 in accordance with the requirements of Document No. 21 of the "Su Huan Han 2020".
Our factory's online equipment operator conducted a calibration of the effluent online equipment from 7:55 am to 8:00 pm on April 14, 2020. The COD concentration of the effluent on that day was 51.2 mg/L,52.0 mg/L,51.5,mg/L 151 mg/L,151 mg/L,149 mg/L,150 mg/L,151 mg/L,495 mg/L,497 mg/L,499 mg/L , There are a total of eleven sets of data, with an average of 217.97mg/L. The above data is the standard sample detection concentration provided for quantity traceability work, not the actual discharge concentration of our factory.
SuMa North Sewage Treatment Plant
April 23, 2020