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  To ensure the discharge of medical waste water up to the standard, Dongguan ecological environment monitoring department made every effort to prevent and control the secondary disasters
 
 

In order to win the battle of epidemic prevention and control, and prevent the adverse effects of secondary disasters on the ecological environment and people's health during the period of epidemic prevention and control, the monitoring center station of Dongguan Ecological Environment Bureau urgently dispatched front-line monitoring personnel to carry out medical wastewater monitoring work in the key fever outpatient hospitals of the city from January 28 to 31, so as to ensure the standard discharge of medical wastewater.
"After receiving the epidemic prevention and control notice, our monitoring center quickly arranged for all front-line monitoring personnel to cancel their leave, and all of them were in place on the third day of the new year. After that, we immediately formulated plans, prepared instruments and equipment, and used the whole station's strength to do the monitoring work well." Dongguan environmental monitoring center station responsible person said. The monitoring center station dispatched nearly 40 field sampling personnel and laboratory analysts to carry out waste water monitoring work in 38 key fever outpatient hospitals in the city on January 28 and January 31.
According to reports, the main monitoring indicators are ammonia nitrogen, residual chlorine, COD and fecal coliform count. Among them, COD and ammonia nitrogen are the conventional environmental measurement indicators; the residual chlorine index mainly reflects the degree of wastewater disinfection. The medical wastewater generally needs to be sterilized with chlorine containing disinfectant, and finally discharged after dechlorination. Fecal coliform group is a kind of indicator microorganism reflecting whether the water body is polluted by feces. It can indirectly understand the disinfection situation of water body and whether there is the risk of pathogenic bacteria, so as to take timely measures for treatment and protection.
"The relevant data of this monitoring will be fed back to the municipal ecological and environmental bureau to provide support for regulatory decision-making and ensure that the discharge of medical wastewater reaches the standard during the epidemic period; at the same time, it will timely communicate and share with the health department to provide reference for the formulation of relevant measures for epidemic prevention and control."
It is understood that in order to perform their duties conscientiously and ensure the safety of front-line monitoring personnel, Dongguan municipal monitoring center station urgently coordinated with the municipal CDC personnel to explain the protection precautions on site. At the same time, the "personal protection reference guide for front-line environmental monitoring personnel" was formulated, and emergency materials such as protective clothing, masks, gloves, goggles were used to ensure the safety of on-site sampling and laboratory analysis personnel to the maximum extent.
At present, it is in the decisive stage of winning the war of epidemic prevention and control. Next, the monitoring center station will continue to do a good job in monitoring medical sewage and urban sewage according to the relevant monitoring requirements of the state, provinces and cities during the epidemic period. Two epidemic prevention and control characteristic indicators of residual chlorine and biological toxicity will be added to the water monitoring of drinking water sources. At the same time, monitoring and early warning will be strengthened, and environmental quality monitoring of ambient air and surface water will be improved Emergency monitoring plan to ensure ecological environment safety during epidemic prevention and control

 
 
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