HJ 819-2017Self-monitoring technology guidelines for pollution sources -- General rule (English PDF)

4.1 Develop monitoring programs

Sewage units should identify all sources of pollution, determine the main sources of pollution and the main monitoring indicators, develop monitoring programs. Monitoring party the contents include. the basic situation of the unit, monitoring points and schematics, monitoring indicators, the implementation of standards and their limits, monitoring frequency, Sampling and sample preservation methods, monitoring and analysis methods and instruments, quality assurance and quality control.

The new sewage disposal unit shall complete the preparation of the self-monitoring program before it is put into production or use and the actual discharge action and related preparation work.

4.2 Setting up and maintaining monitoring facilities

The pollutant discharge unit shall meet the requirements for monitoring facilities required for monitoring. Waste water discharge port the monitoring platform, monitoring section and monitoring hole should be set to meet the monitoring requirements. The monitoring platform should facilitate monitoring activities, should be able to ensure the safety of monitoring personnel.

Wastewater emissions greater than 100 tons/day, should be installed automatic flow measurement facilities and carry out automatic flow monitoring.

4.3 to carry out self-monitoring Sewage units should be in accordance with the latest monitoring program to carry out monitoring activities, according to their own conditions and ability to use their own staff, Places and equipment to monitor their own; can also be commissioned by other qualified seized (monitoring) test institutions on their behalf to carry out self-monitoring.

The self-monitoring annual report on the holding of the pollutant permit can be reflected in the annual implementation report of the sewage permit.

4.4 Do a good job monitoring quality assurance and quality control

Sewage units should establish a self-monitoring quality management system, in accordance with the relevant technical requirements to do a good job monitoring quality assurance and quality Quantity control.

4.5 Record and save monitoring data

The pollutant discharge unit shall do a good job in keeping with the data records related to the monitoring and keep it in accordance with the relevant regulations and shall, in accordance with the relevant laws and regulations, to monitor the results.

5.1 Monitoring content

5.1.1 Monitoring of pollutant emissions

Including exhaust pollutants (in an organized or unorganized form), waste water contaminants (discharged directly into the environment or discharged Public sewage treatment system) and noise pollution.

5.1.2 Peripheral environmental quality impact monitoring

Pollutant discharge standards, environmental impact assessment documents and their approval or other environmental management has a clear requirement, the sewage unit should be in accordance with the requirements of its surrounding air, surface water, groundwater, soil and other environmental quality to monitor; other sewage Bit according to the actual situation to determine whether to carry out the impact of peripheral environmental impact monitoring.

5.1.3 Monitoring of critical process parameters

In some cases, it is possible to test the key process parameters that are closely related to the generation and discharge of pollutants.

Charge pollutant discharge monitoring.

5.1.4 Pollution control facilities treatment effect monitoring

If the environmental management documents such as pollutant discharge standards have special requirements for pollution control facilities, or if the pollutant discharge unit considers it necessary We want to deal with pollution control facilities to monitor treatment effect.

5.2 Exhaust emission monitoring

5.2.1 Organized emissions monitoring

5.2.1.1 Identify major sources of pollution and major discharge ports

The following sources of exhaust pollution sources are the main sources of pollution.

A) Boilers and gas turbines with a single output of 14MW or 20t/h and above;

B) Industrial furnaces (cement kilns, coke ovens, smelting furnaces, incinerators, melting furnaces, iron ore sintering furnaces, Heating furnace, heat treatment furnace, lime kiln, etc.);

C) chemical equipment production process reaction equipment (chemical reactor/tower, distillation/evaporation/extraction equipment, etc.);

D) other sources of pollution equivalent to those listed above.

Discharge ports that meet the following conditions are the main discharge ports.

A) Emissions from major sources of pollution;

B) the main discharge port identified in the Technical Code for the Application and Issuance of the Discharge Permit;

C) for a number of pollution sources share a discharge port, where the main source of pollution are the main discharge port.

5.2.1.2 Monitoring points

A) Outside the mouth monitoring points. point set should meet the GB/T 16157, HJ 75 and other technical specifications. Net flue gas the original flue gas mixed emissions, should be in the exhaust pipe, or flue gas confluence of mixed flue set on the monitoring point; net flue gas directly row Put, should be set in the net flue gas flue monitoring points, bypass flue should also set the monitoring point.

B) Internal monitoring point setting. When the pollutant discharge standards in the pollutant treatment effect requirements, should enter the corresponding the import and export of the pollutant treatment facility unit sets the monitoring point. When the environmental management document is required, or the sewage unit considers it necessary to set up, you can set the corresponding monitoring content to carry out the internal monitoring points.

5.2.1.3 Monitoring indicators

The monitoring indicators for the monitoring of the outer discharge should include at least the national or local pollutant discharge (control) standards, Environmental impact assessment documents and their approval, sewage permits and other relevant provisions of the relevant provisions of the pollutants clearly defined. Sewage unit should also be based on the production process of raw and auxiliary materials, production processes, the middle and the final product to determine whether the emissions into the relevant toxic Pollution or priority control of pollutants in the list of pollutants, or other toxic pollutant indicators, these indicators should also be included in the monitoring index.

For the monitoring points of the monitoring points of the main discharge ports, the following conditions are met as the main monitoring indicators.

A) Sulfur dioxide, nitrogen oxides, particulate matter (or soot/dust), emissions of volatile organic compounds index;

B) toxic pollutants that can accumulate long-term adverse effects on humans in the environment or animals and plants (toxic Harmful or priority control of pollutants related to the list, the list of indicators of pollutants prevail);

C) pollutants in the area where the environmental quality of pollutants exceeded the target.

The monitoring indicators of the internal monitoring points are determined according to the main purpose of the point setting.

5.2.1.4 Frequency of monitoring

A) Identify the basic principles of monitoring frequency the pollutant discharge unit shall, on the basis of satisfying the requirements of this standard, follow the following principles to determine the different monitoring indicators Monitoring frequency.

1) should not be lower than the national or local standards, normative documents, planning, environmental impact assessment documents and their approval and so clearly defined the frequency of monitoring;

2) the frequency of monitoring of the main discharge ports is higher than that of the non-major discharge ports;

3) The monitoring frequency of the main monitoring indicators is higher than other monitoring indicators;

4) should be appropriate to increase the frequency of monitoring in sensitive areas;

5) If the emission situation fluctuates greatly, the frequency of monitoring should be increased appropriately;

6) the stability of the status of the poor conditions need to increase the frequency of monitoring, compliance with the situation can be appropriate to reduce the frequency of monitoring;

7) Monitoring costs should be consistent with the capacity of their own sewage companies, try to avoid duplication of monitoring.

B) In principle, the minimum monitoring frequency of the external monitoring points is in accordance with Table 1. Exhaust gas parameters and pollutant concentration should be monitored synchronously.

Table 1 Minimum monitoring frequency of exhaust gas monitoring indicators

Unit level

Main discharge port

Other emission monitoring indicators Main monitoring indicators Other monitoring indicators Focus on the unit of pollution per month - quarterly six months - year and year - year Non-key sewage unit six months - year after year Note. for the minimum monitoring frequency range, sub-sectors of the self-monitoring unit of the technical guidelines in accordance with this principle to determine the monitoring of the minimum monitoring frequency Times.

C) the frequency of monitoring of the internal monitoring points according to the monitoring point set the purpose of the results of the need to evaluate the supplementary monitoring node Fruit needs to be determined.

5.2.1.5 Monitoring technology

Monitoring technology, including manual monitoring, automatic monitoring of two, sewage units can be based on monitoring costs, monitoring indicators and monitoring Frequency and other content, a reasonable choice of appropriate monitoring technology.

For the relevant management requirements require the use of automatic monitoring of indicators, should be used automatic monitoring technology; for the monitoring frequency is high, Automatic monitoring technology mature monitoring indicators, should be preferred automatic monitoring technology; other monitoring indicators, optional manual monitoring technology.

5.2.1.6 Sampling method

The selection of waste gas manual sampling method is carried out according to the relevant pollutant discharge standards and GB/T 16157, HJ/T 397 and so on. Waste Gas automatic monitoring with reference to HJ/T 75, HJ/T 76.

5.2.1.7 Monitoring and analysis methods

The selection of monitoring and analysis methods should take full account of the relevant emission standards, the discharge characteristics of pollutants, the level of concentration, the detection limits and interference factors used in the monitoring and analysis methods.

The method of monitoring and analysis should prioritize the method specified in the emission standards. Selection of other countries, industry standard side the main characteristics of the method, including the detection of the lower limit, precision, accuracy, interference cancellation, etc.) to meet the criteria to begging. There is no national and industry standard analysis methods, or the use of national and industry standards can not be qualified to determine the data, Other methods may be used, but method validation and comparison experiments must be done to demonstrate the reliability of the main characteristic parameters of the method.

5.2.2 Unorganized emissions monitoring

5.2.2.1 Monitoring points

Where there is an unorganized emission source for the exhaust gas, an unorganized emission monitoring point shall be provided, and the specific pollutant discharge Quasi and HJ/T 55, HJ 733 and so on.

5.2.2.2 Monitoring indicators

According to this standard 5.2.1.3 implementation.

5.2.2.3 Monitoring frequency

Iron and steel, cement, coking, petroleum processing, non-ferrous metal smelting, mining and other non-organized emissions of heavy pollution sources, Non-organized emissions at least once a quarter to monitor; other non-organized emissions of pollution sources at least once a year to monitor Measurement.

5.2.2.4 Monitoring technology

According to this standard 5.2.1.5 implementation.

5.2.2.5 Sampling method

Refer to the relevant pollutant discharge standards and HJ/T 55, HJ 733 implementation.

5.2.2.6 Monitoring and analysis methods

According to this standard 5.2.1.7 implementation.

5.3 Monitoring of wastewater discharge

5.3.1 Monitoring points

5.3.1.1 Outside the mouth monitoring point

Set the monitoring point in the monitoring position specified by the pollutant discharge standard.

5.3.1.2 Internal monitoring points

According to this standard 5.2.1.2 2).

5.3.2 Monitoring indicators

The main monitoring indicators for the monitoring of the effluent discharge points are as follows.

A) chemical oxygen demand, five days of biochemical oxygen demand, ammonia nitrogen, total phosphorus, total nitrogen, suspended solids, oil emissions of pollutant indicators;

B) the monitoring position specified in the pollutant discharge standard is the pollutant index of the waste water discharge port of the workshop or production facility, and pollutants in toxic and hazardous or priority control pollutants;

C) pollutants in the watershed where the environmental quality of excessive pollutant indicators.

Other requirements are subject to this standard 5.2.1.3.

5.3.3 Monitoring frequency

5.3.3.1 Basic principles for monitoring frequency determination

According to this standard 5.2.1.4 1).

5.3.3.2 In principle, the minimum monitoring frequency of the external monitoring points is in accordance with Table 2. Discharge of waste water and pollutants Concentration synchronization monitoring.

Table 2 Minimum monitoring frequency of wastewater monitoring indicators

Drainage Unit Level Main Monitoring Indicators Other Monitoring Indicators Focus on the sewage unit days ~ quarter ~ six months Non-key sewage unit quarterly Note. For the minimum monitoring frequency range, in the industry sewage disposal unit self-monitoring technical guidelines in accordance with this principle to determine the monitoring of the minimum monitoring frequency Times.

5.3.3.3 Monitoring frequency of internal monitoring points

According to this standard 5.2.1.4 3).

5.3.4 Monitoring technology

According to this standard 5.2.1.5 implementation.

5.3.5 Sampling method

The selection of waste water manual sampling method is based on the relevant pollutant discharge standards and HJ/T 91, HJ/T 92, HJ 493, HJ 494, HJ 495 and other implementation, according to the characteristics of monitoring indicators to determine the sampling method for the mixed sampling method or instantaneous sampling method, a single the monitoring sampling frequency is carried out according to the relevant pollutant discharge standards and HJ/T 91. Sewage automatic monitoring sampling method with reference to HJ/T 353, HJ/T 354, HJ/T 355, HJ/T 356.

5.3.6 Monitoring and analysis methods

According to this standard 5.2.1.7 implementation.

5.4 Environmental noise monitoring at the factory boundary

5.4.1 Monitoring points

5.4.1.1 The location of the monitoring site for the boundary noise of the factory boundary is specified according to GB 12348.

5.4.1.2 noise distribution should follow the following principles.

A) according to the main source of noise from the factory site location;

B) the distribution of sensitive targets around the factory;

C) whether the "plant factory" needs to be monitored in consultation with the internal and external pollutant units;

D) facing the ocean, the river, the river of the factory in principle is not distributed;

E) the fa...