How should the environmental monitoring industry develop in the future?

[ Focus on Chemical Machinery and Equipment Network ] Environmental monitoring is the foundation of environmental protection, an important means for governments at all levels to strengthen environmental management, and to perform coordination, supervision and service functions.
It is also an assessment of regional environmental quality, a clear understanding of the environment, and environmental management.
Provide an important basis for decision-making, so the monitoring data must be true and reliable.

 

On September 21, 2017, the *General Office of the Communist Party of China* issued the "Opinions on Deepening the Reform of Environmental Monitoring and Improving the Quality of Environmental Monitoring Data" and stated that "By 2020, through deepening reforms, comprehensively establish environmental monitoring data quality assurance responsibilities.
System, improve environmental monitoring quality management system, establish environmental monitoring data fraud prevention and punishment mechanism, ensure that environmental monitoring agencies and personnel carry out their work independently and impartially, and ensure that environmental monitoring data is comprehensive, accurate, objective, and truthful.
"
 

As online monitoring data is increasingly used in pollution charges and pollution fines, combating fraudulent monitoring data has become a top priority.

 

The low pass rate of environmental online data is widespread
 

On March 25, Hebei Province * notified that it was found that Concentration Technology (Hangzhou) Co.
, Ltd.
, Tangshan Xiaotian Environmental Protection Technology Co.
, Ltd.
, Tangshan Lvchuang Energy Saving and Environmental Protection were * inspecting the implementation of emergency emission reductions in heavy pollution weather in Tangshan City.
Equipment Co.
, Ltd.
cooperated with sewage companies to falsify online monitoring data.
At present, the relevant persons involved in the case have been criminally detained in accordance with the law, and the case is under investigation.

 

In the report, Hebei Province* stated that it is necessary to use this case as a wake-up call, dig into the problems and root causes of local online monitoring work, and take effective measures to strengthen the supervision of operation and maintenance units to ensure that online monitoring data is true and accurate.

 

The online data fraud cases notified by Hebei Province* involved China's analytical instrument industry and environmental monitoring instrument industry*.
This makes people worry about whether the fraudulent monitoring data is single and incidental, or is the tip of the iceberg just revealed?
 

　　In 2018, *have organized special inspections, random tests, and comparative monitoring of the quality of waste water from the Yangtze River Delta and Fenwei Plain.
A total of 254 enterprise wastewater automatic monitoring equipment were compared and monitored, and 132 companies were unqualified; a total of 136 sets of automatic monitoring equipment were evaluated and manual comparisons of quality control samples, of which 106 sets of automatic monitoring equipment were unqualified in comprehensive evaluation.

 

　　In 2019, * organized special inspections, random tests, and comparative monitoring of the quality of pollutant discharge units in the Pearl River Delta and Bohai Sea regions.
A total of 229 companies’ automatic monitoring equipment were compared and monitored, and 159 companies were unqualified.

 

　　Based on the comparison results of the above two years, the unqualified rate of online equipment data is as high as 65.
2%.
These two actions proved that the low pass rate of online data is widespread throughout the country.

 

　　Online quality control has great potential in combating data fraud
 

　　The current situation of environmental protection management is that there is a mature system integration and third-party operation and maintenance system, but there is still a lack of effective "tools" that are truly in the hands of environmental management workers.
The staff of the monitoring station are caught in a lot of repeated comparison work, but manual experiments still cannot meet the encryption needs of the comparison work.
Manual quality control accurately rechecks online data, and the problems of low frequency, small coverage, slow response, and high cost brought about by its sampling and detection methods are difficult to solve.
If manual quality control can also be implemented online in real time, it will inevitably bring about major changes in the quality control of online monitoring data.
In this context, online quality control systems have emerged.

 

　　Online quality control technology is to input the standard substance of known concentration into the whole process pipeline of the online monitoring instrument, and compare the consistency of the reading of the online monitoring instrument with the known concentration, so as to judge the authenticity and accuracy of the online monitoring data.

 

　　Different from the calibration and standard sample verification of the online monitoring instrument itself, the online quality control is an external quality control method independent of the online monitoring system.
The quality control time and quality control concentration can be set according to the regulatory requirements, or intelligent quality control can be used.
That is, the standard material at random time and random concentration suitable for on-site working conditions is automatically selected for quality control verification.

 

　　It is precisely because of the implementation of external quality control and "double randomness" that pollutant companies can be deterred, responsible for maintaining the normal operation of monitoring and governance facilities, ensuring the accuracy of equipment, and grasping the accuracy of online data.

 

　　The online quality control system is a diagnostic system for online monitoring, which can realize the whole process diagnosis of the online monitoring system from the pipeline sampling link, the instrument test link to the data transmission link, check whether the online monitoring system is working properly, and determine the authenticity of the online monitoring data And accuracy.
The online quality control system is equivalent to setting up a 24-hour factory "inspector", through the "double random" technology to achieve high-frequency, effective real-time supervision of online monitoring.

 

　　At present, the online quality control system has matured and achieved systematic application.
Nearly a thousand sets of "on-site inspector electronic eyes" in Hebei, Shanxi, Shandong, Tianjin, Jiangsu, Zhejiang and other provinces and cities guard online monitoring data security.
Typical cases in Xingtai, Cangzhou and other places show that through online quality control and supervision of online monitoring systems, unqualified companies can be forced to make rectifications, and the total pollution emissions can be truly reduced, so that the local environmental quality can be effectively improved.

 

　　Original title: How should the environmental monitoring industry develop in the future?