HJ 1084-2020Self-monitoring technology guidelines for pollution sources--Food manufacturing industry (English PDF)

5.1 Wastewater discharge monitoring

5.1.1 Monitoring points

Sewage discharge units should set monitoring points at the total waste water discharge and rainwater discharge outlets. Domestic sewage is discharged into the external environment separately.

Monitoring points need to be set up at domestic sewage discharge outlets.

5.1.2 Monitoring indicators and frequency

The wastewater discharge monitoring points, monitoring indicators and minimum monitoring frequency of the sewage unit are implemented in accordance with Table 1.

Table 1 Wastewater discharge monitoring points, monitoring indicators and minimum monitoring frequency

Sewage list

Bit level

monitor

Point

Monitoring indicators Monitoring frequency Remark Direct emissions indirect emissions Key row Dirty unit Total wastewater exhaustion hole Flow, pH, Chemistry Oxygen demand, ammonia nitrogen Automatic monitoring Suitable for all food manufacturing rows Dirty unit Total phosphorus Month (Day/Auto-Monitor) Measured) a Quarterly (day/automatic monitoring Measured) a Total nitrogen Month (Day/Auto-Monitor) Test) b Quarterly (day/automatic monitoring Test) b Suspended matter, five-day biochemistry oxygen demand Month quarter Chroma month quarter Suitable for condiments and fermented products Dirty unit Sewage list Bit level monitor Point Monitoring indicators Monitoring frequency Remark Direct emissions indirect emissions Key row Dirty unit Total wastewater exhaustion hole Animal and vegetable oil month quarter Suitable for dairy products manufacturing, instant food Manufacturing, canned meat and poultry, and Sewage production unit for aquatic product manufacturing Coliform group months quarter Suitable for meat and poultry cans Dirty unit Dirty life Water discharge Flow, pH, Chemistry Oxygen demand, ammonia nitrogen Automatic monitoring-Suitable for all food manufacturing rows Dirty unit Total phosphorus Month (Day/Auto-Monitor) Measured) a Total nitrogen Month (Day/Auto-Monitor) Test) b Suspended matter, five-day biochemistry oxygen demand month-Animal and vegetable oil month-Applicable to sewage with staff canteens unit Rain drain Let go COD, suspension Month c Suitable for all food manufacturing rows Dirty unit Non-focus Sewage list Total wastewater exhaustion hole Flow, pH, suspension Biochemical aerobic Quantity, COD, Ammonia nitrogen, total phosphorus, total nitrogen Quarter half year Suitable for all food manufacturing rows Dirty unit Chroma quarter half year Suitable for condiments and fermented products Dirty unit Animal and vegetable oils Suitable for dairy products manufacturing, instant food Manufacturing, canned meat and poultry, and Sewage production unit for aquatic product manufacturing Coliform bacteria Suitable for meat and poultry cans Dirty unit Dirty life Water discharge Flow, pH, suspension Biochemical aerobic Quantity, COD, Ammonia nitrogen, total phosphorus, total nitrogen Quarter-Suitable for all food manufacturing rows Dirty unit Animal and vegetable oil quarter-Applicable to sewage with staff canteens unit

Note 1. The municipal and above-level eco-environmental departments with districts explicitly require the installation of automatic monitoring equipment for pollutant indicators, and must adopt automatic monitoring.

Note 2. If the monitoring result has exceeded the standard record, the monitoring frequency should be appropriately increased.

a The total phosphorus control area of water environment quality and the key pollutant discharge units in key industries such as nitrogen and phosphorus emission shall be monitored automatically.

b In the water environment quality, the total emission control area and key pollutant discharge units in key industries such as nitrogen and phosphorus emission, the minimum monitoring frequency of total nitrogen is daily Implementation. After the technical specifications of automatic monitoring are released, automatic monitoring shall be adopted.

c Monitor monthly when there is flowing water discharged from the rainwater outlet. If there is no abnormal situation in the monitoring for one year, it can be relaxed to carry out monitoring once a quarter.

5.2 Exhaust emission monitoring

5.2.1 Organized exhaust emission monitoring points, indicators and frequencies

5.2.1.1 Organized exhaust emission monitoring points, indicators and minimum detection frequency of each production process shall be implemented in accordance with Table 2.

5.2.1.2 For multiple pollution sources or production equipment sharing one exhaust cylinder, the monitoring points can be arranged on the common exhaust cylinder. when when the exhaust gas combined exhaust pipe with different emission control requirements is implemented, it should be monitored before the exhaust gas is mixed; if the monitoring point is only it can be installed on the mixed exhaust cylinder. The monitoring index should cover the monitoring index of the corresponding pollution source or production equipment.

The frequency measurement is performed strictly.

Table 2 Organized exhaust emission monitoring points, monitoring indicators and minimum monitoring frequency

Remarks on the monitoring frequency of monitoring point monitoring index Particulate matter treatment facility exhaustion hole Particulate matter for half a year Suitable for storage and transportation of raw and auxiliary materials Dried, sieved and dried, granulated, packed, etc.

Particulate matter production process Exhaust from hot blast stove, heating furnace, etc.

Canister or exhaust treatment facility exhaust Let go Particulate matter, sulfur dioxide, nitrogen Oxide Suitable for the production process with hot blast stove and heating furnace for half a year Waste of drying facilities such as fluidized bed Air vent Non-methane total hydrocarbons for half a year Suitable for product and its by-product drying process involving volatilization Production process of organic emissions Fume exhaust treatment facilities Let go Fume, non-methane total hydrocarbons for half a year Suitable for frying,, grilling, baking, etc.

Emission production process Odor gas waste gas treatment equipment Discharge port Odor concentration, ammonia a, sulfur Hydrogen a, trimethylamine a, dimethyl di Thioether a, methyl sulfide a, methyl sulfide Alcohol a Quarter Suitable for canned foods such as aquatic products Work, there are exhaust pipes for the collection and purification of malodorous exhaust gas Exhaust emissions from production processes or wastewater treatment facilities Note. The monitoring must monitor the exhaust emission parameters synchronously according to the corresponding monitoring analysis methods and technical specifications.

a Determine the monitoring indicators based on the environmental impact assessment document and its approval.

5.2.2 Monitoring points, indicators and frequency of fugitive exhaust emissions

The monitoring points, monitoring indicators and minimum monitoring frequency of fugitive exhaust emissions shall be implemented in accordance with Table 3.

Table 3 Monitoring points, monitoring indicators and minimum monitoring frequency of fugitive exhaust emissions

Remarks on the monitoring frequency of monitoring point monitoring index Factory boundary Odor concentration a applies to all sewage units for half a year Non-methane total hydrocarbons for half a year Applicable to pollutant discharge lists involving volatile organic compounds in the production process Particulate matter for half a year Applicable to raw materials (powder) crushing, peeling (shell), screening and products Sewage units that involve particulate matter discharge, such as screening and spray granulation processes Ammonia for half a year is suitable for sewage units with ammonia refrigeration system or liquid ammonia storage tank Hydrogen sulfide and ammonia are suitable for sewage disposal units with biochemical sewage treatment for half a year

Note 1. If there are environmental sensitive points in the surrounding area or the monitoring results exceed the standard, the monitoring frequency should be appropriately increased.

Note 2. Meteorological parameters must be monitored simultaneously for fugitive exhaust gas monitoring.

a Determine whether to monitor other malodorous pollutants based on the environmental impact assessment documents and their approvals, raw and auxiliary materials, and production processes.

5.3 Monitoring of factory boundary environmental noise

The setting of the environmental noise monitoring points at the factory boundary follows the principles in HJ 819, and washing machines, crushers, dehydrators, Dryer, screening equipment, cutting machine, mixer, fine grinder, water washing equipment, spray granulator, spray dryer, fluidization the distribution of strong noise equipment such as beds, large exhaust fans, coolers, vacuum pumps, refrigerators, and packaging machines in the plant area. plant the monitoring points and frequency of environmental noise in the industry shall be implemented in accordance with Table 4. If there are sensitive points in the surrounding area, the monitoring frequency shall be increased.

Table 4 Monitoring point, monitoring index and minimum frequency of environmental noise at the factory boundary

Remarks on the monitoring frequency of monitoring point monitoring index Equivalent continuous A sound level around the corporate boundary quarter applicable to all food manufacturing units

5.4 Monitoring of surrounding environmental quality impact

5.4.1 Pollutant emission standards, environmental impact assessment documents and their approvals [only available after January 1, 2015 (inclusive) If the pollutant discharge unit approved by the environmental impact assessment] or other environmental policies have clear requirements, they shall be implemented as required.

5.4.2 If there is no clear requirement, the sewage unit can monitor the surrounding surface water, seawater, groundwater and soil according to the actual situation.

For wastewater discharge units that directly discharge surface water and seawater, refer to HJ 2.3, HJ/T 91, HJ 442 to set up monitoring sections.

And monitoring points; sewage units that conduct groundwater and soil monitoring can be set up in accordance with Set monitoring points.

5.5 Other requirements

5.5.1 In addition to the pollutant indicators in Tables 1 to 4, the pollutant indicators in 5.5.1.1 and 5.5.1.2 should also be included in the monitoring indicator range.

And refer to Tables 1 to 4 and HJ 819 to determine the monitoring frequency.

5.5.1.1 Pollutant discharge permits, implemented pollutant discharge (control) standards, environmental impact assessment documents and their approvals [only Pollutant discharge units that have obtained environmental impact assessment approval after January 1, 2015 (inclusive), and relevant environmental management regulations clearly specify the desired pollutant index.

5.5.1.2 The pollutant discharge unit is determined according to the raw and auxiliary materials, production process, intermediate and final product types, and monitoring results during the production process.

For actual emissions, the pollutant indicators in the National Toxic and Hazardous List or Priority Control Pollutants List, Indicators of toxic pollutants.

5.5.2 The monitoring frequency of each indicator can meet the requirements of this standard, and the monitoring frequency can be improved according to the principle of determining the monitoring frequency in HJ 819.

Test frequency.

5.5.3 Sampling methods, monitoring analysis methods, monitoring quality assurance and quality control shall be implemented in accordance with the relevant requirements of HJ 819.

5.5.4 The preparation and change of the monitoring plan shall be implemented in accordance with HJ 819.

6.1 Information records

6.1.1 Requirements for monitoring information recording

Manual monitoring records and automatic monitoring operation and maintenance records are performed in accordance with relevant requirements such as HJ 819.

6.1.2 Requirements for Recording the Operational Status of Production and Pollution Treatment Facilities Pollutant discharge units should record their production and operation conditions of pollution control facilities in detail. The daily production should refer to the following records Relevant information is organized into a ledger and kept for future reference.

6.1.2.1 Production operation status record

According to the type of food production, record the following relevant information for each production batch.

a) the amount of raw and auxiliary materials;

b) Production of intermediate products and final products, output rate and material balance;

c) Fresh water withdrawal, water consumption, electricity consumption, etc .;

d) Operation and usage records of the main production equipment and facilities used.

6.1.2.2 Record of operation status of wastewater treatment facilities

Record daily wastewater treatment volume, discharge volume, recycled water volume, sludge generation volume (record moisture content), Name and dosage of medicine, blower power, etc .; record operation, failure and maintenance of wastewater treatment facilities.

6.1.2.3 Record of operation status of exhaust gas treatment facilities

Record daily the name and amount of consumables such as adsorbents and filter materials used for exhaust gas treatment, and record the operation of exhaust gas treatment facilities Operation, failure, and maintenance.

6.1.3 General industrial solid waste and hazardous waste record requirements

Record daily production, comprehensive utilization, disposal, and storage of general industrial solid waste;

Relevant requirements of environmental management, and record daily the amount of hazardous waste generated, comprehensive utilization, disposal, storage, transfer and its specifications.

Body whereabouts.

See Table 5 for general industrial solid waste and hazardous waste generation.

Table 5 Sources of general industrial solid waste and hazardous waste

Category Generate Unit Solid Waste General industrial solid waste Production workshop, wastewater/exhaust gas treatment Facilities, etc.

Raw materials and surplus waste, waste packaging materials, furnaces generated during processing Slag, etc .; waste dust/slag collected from waste gas treatment, waste filter bag; water treatment sludge (root According to local management requirements) Hazardous Waste Production workshop, laboratory, exhaust gas Processing facilities, etc.

Packaging of waste activated carbon, waste mineral oil and waste containing mineral oil and chemical reagents Objects, containers, etc.

Note. Whether the waste activated carbon is a hazardous waste is defined by the project environmental impact assessment and approval. Other hazardous wastes that may be generated are "Waste List" or national standards for identification of hazardous waste.

6.2 Information report, emergency report, information disclosure

In accordance with HJ 819 regulations.