In order to protect Rugao Port Economic Development Zone (hereinafter referred to as "Development Zone") and its surrounding environment, strengthen the sewage discharge management of enterprises in the Development Zone, and ensure that the sewage centralized treatment plant meets the discharge standards, these measures are formulated.
First, the sewage discharge management department
Rugao Port Economic Development Zone Environmental Protection Branch (hereinafter referred to as "Environmental Protection Branch") is responsible for the sewage discharge management of enterprises within its jurisdiction, and Shanghai Electric Nantong Water Treatment Co., Ltd. (hereinafter referred to as "Sewage Treatment Plant") is responsible for the daily management and centralized treatment of sewage discharge under the guidance of the Environmental Protection Branch.
Second, the collection of sewage.
1. Sewage discharged by enterprises in the development zone (including process wastewater, washing water for workshop equipment, dust removal water, direct cooling water, domestic sewage and 15 minute initial rainwater, etc.). ) centralized collection, after corresponding pretreatment, reach the sewage pipe network takeover standard of the development zone or the standard agreed in the sewage treatment contract, and send it to the sewage pipe network of the development zone in the way agreed between the enterprise and the sewage treatment plant.
2. Each enterprise must be equipped with a pretreated tail water collection pool (accident emergency pool), the capacity of which must not be less than the sewage generated by the enterprise in 36 hours, and the tail water collection pool shall not be mixed with the wastewater regulation pool.
3, each enterprise must draw the factory sewage pipe network and rainwater open channel flow chart, submitted to the environmental protection bureau for the record, and accept the supervision and inspection of the environmental protection department in the process of implementation.
Third, sewage discharge management.
1. All enterprises in the development zone shall truthfully declare the quantity and quality of the discharged sewage to the environmental protection department and the authorized sewage treatment plant, sign a sewage treatment contract with the sewage treatment plant, and report it to the environmental protection branch for the record.
2. All enterprises in the development zone shall discharge water into the sewage pipe network of the development zone according to the quantity and quality stipulated in the EIA approval requirements and the sewage treatment contract.
3. The discharge of production sewage shall be subject to the unified management and scheduling of the sewage treatment plant, and shall not be discharged at will.
4. Before the wastewater is transported to the collection pipe network, the enterprise must first obtain the consent of the sewage treatment plant, and then it can be discharged into the sewage pipe network after the consent of sampling and monitoring.
5. If the development zone enterprises discharge the excessive sewage into the sewage pipe network without authorization, all consequences such as the impact on the treatment system of the sewage treatment plant shall be borne by the sewage enterprises. At the same time, the environmental protection department investigated and dealt with according to law.
Four, enterprise sewage outfall setting requirements
1. In principle, all enterprises in the development zone are only allowed to set up one sewage outlet and one rainwater sewage outlet (including indirect cooling water) in the enterprise. If the sewage outlet needs to be added due to production, it should be reported to the Environmental Protection Bureau and set up only after obtaining written approval, otherwise the new sewage outlet will be regarded as illegal sewage discharge.
2. The setting of the sewage outlet shall conform to the requirements of the Notice of the Provincial Environmental Protection Department on Printing and Distributing the Measures for the Setting and Standardization of the Sewage Outlet in Jiangsu Province (Su Huankong [97]122) and the Measures for the Administration of Automatic Monitoring of Pollution Sources, and shall be accepted by the Environmental Protection Bureau and the sewage treatment plant. Before the acceptance of the sewage outlet, the sewage treatment plant shall not accept the sewage from the treatment enterprise.
3. The enterprise sewage outlet must be equipped with flowmeter, control valve and sampling well. Enterprises that discharge industrial wastewater 100 tons or COD greater than 30 kg per day must install TOC or COD automatic monitoring instruments; Enterprises that produce industrial wastewater with strong acid and alkali must install automatic PH monitor. Automatic monitoring instruments such as flowmeter, TOC, COD and PH must be approved by the environmental protection department, and their data collection and transmission must be networked with the remote monitoring center of pollution sources of Rugao Environmental Protection Bureau. Paikou signs shall be supervised by the municipal environmental protection department, and the expenses shall be borne by all enterprises.
4. Enterprises equipped with TOC or COD monitors must be equipped with automatic monitoring rooms (with an area of about 8 square meters) according to the unified requirements of the park, and the keys shall be kept by the entrusted operators, environmental protection departments or authorized sewage treatment plants respectively.
5. The TOC, COD online monitoring instrument, PH automatic monitoring instrument and sewage flowmeter of each enterprise shall entrust a unit with maintenance qualification to carry out daily maintenance and management to ensure normal operation, and sign an entrusted maintenance and management contract, and the maintenance and management expenses shall be borne by each enterprise.
6. In violation of relevant regulations, automatic monitoring equipment such as TOC, COD online monitor, PH automatic monitor and sewage flowmeter cannot operate normally; Or intentionally stop, dismantle or replace the automatic monitoring equipment without authorization, it is regarded as intentional abnormal use of pollution control facilities, and the environmental protection department will deal with it according to relevant laws and regulations.
7. In order to facilitate monitoring and sampling, all enterprises must set up public supervision wells for rainwater (including indirect cooling water) outside the fence, and the public supervision wells must be built in accordance with the unified requirements of the environmental protection department.
Verb (abbreviation of verb) sewage measurement
The metering of sewage shall be based on the metering data of the flowmeter set at the sewage outlet, and the metering instrument shall be sent to the metering department regularly for calibration as required.
Six, sewage monitoring and monitoring
1. The sewage treatment plant shall set up a pollution source automatic monitoring sub-center, and online equipment such as sewage flowmeter, TOC or COD monitor and PH monitor of each enterprise must be networked with the pollution source automatic monitoring sub-center.
2. The development zone adopts the method of combining manual monitoring and instrument monitoring with online monitoring system. If there is any deviation, the test data of environmental monitoring station shall prevail.
3, the sewage treatment plant for continuous drainage enterprises to implement irregular monitoring frequency is 2 times/day. For intermittent and intermittent drainage enterprises, batch monitoring shall be carried out, and drainage can be carried out only after passing the inspection.
4, environmental monitoring departments of enterprises within the jurisdiction of all kinds of sewage monitoring data as the basis for administrative law enforcement of environmental protection departments.
5. When monitoring and sampling the sewage treatment plant, three sewage samples should be collected at the same time, one for the sewage treatment plant and one for the sewage disposal enterprise. If the deviation of the monitoring data of both parties is less than 20%, the average value of the monitoring data of both parties shall be taken as the final monitoring data; If the deviation of the monitoring data of both parties exceeds 20%, Rugao Environmental Monitoring Station will be entrusted for analysis, and the analysis result will be the final monitoring data, and the monitoring fee will be paid by the party with large data deviation.
Seven, sewage treatment fee
1, billing entity
Entrusted by the Development Zone Management Committee, the sewage treatment plant collects sewage treatment fees from enterprises in the zone and issues administrative fee receipts.
2. Charge standard
When the sewage discharged by the enterprise reaches the third-class standard in the Integrated Wastewater Discharge Standard (GB 8978- 1996) (if the third-class standard is not specified, refer to the second-class standard), it will be charged according to the following standards:
Wastewater from textile printing and dyeing enterprises 1.6 yuan /m3.
Fine chemical enterprise sewage 2.4 yuan /m3
Sewage from other chemical enterprises 1.8 yuan /m3.
Tanning wastewater 1.6 yuan /m3.
Mechanical and electrical enterprise sewage 1.2 yuan /m3.
Other classes 1.2 yuan /m3.
Only domestic sewage is 1.0 yuan /m3.
The charging standard of sewage treatment fee will be adjusted in time according to the average wage index of employees, the price index of industrial products, the electricity price including value-added tax, the cost of sludge landfill, government fees and other factors.
3. Enterprises in the Development Zone shall not discharge the sewage exceeding the takeover standard into the sewage pipe network in principle. Under special circumstances, it is necessary to discharge sewage exceeding the takeover standard, and if the sewage treatment plant has the ability to accept it, it must be reported to the environmental protection department for approval. Enterprises and sewage treatment plants negotiate to determine the payment of sewage treatment surcharge. The calculation formula and reference standard of sewage treatment surcharge shall be formulated by the sewage treatment plant and reported to the environmental protection department for the record.
4. The environmental protection department will manage the sewage discharge of enterprises according to the water quality and quantity standards agreed in the sewage treatment contract.
Eight, Rugao port centralized sewage treatment plant environmental management requirements
1. The treatment facilities of the sewage treatment plant must ensure normal operation. Operators in charge of sewage treatment must hold relevant certificates after passing the training, establish operation rules and operating systems, and establish operation management accounts to ensure the treatment effect.
2. The wastewater should reach the first-class standard in Table 4 of Integrated Wastewater Discharge Standard (GB8978- 1996) and then be discharged into the Yangtze River. It is strictly prohibited to discharge beyond the standard outside the discharge port or in any other way.
3. If the discharged wastewater exceeds the national discharge standard, it shall be handled by the environmental protection department according to law.
4, sewage treatment plant pollution source automation construction must conform to the unified requirements of pollution source monitoring automation construction.
5. After the sewage treatment plant has completed the construction of sewage treatment facilities, standardized construction of sewage outlets, construction of tail water discharge pipelines, remote automatic monitoring and implementation of the requirements for examination and approval of environmental impact assessment, it must apply to the environmental protection department for trial operation. After the acceptance, the trial operation can be carried out. Apply for completion acceptance in time after the trial operation expires.
6. After receiving the discharge requirements applied by the enterprise, the sewage treatment plant must unconditionally receive the sewage treated by the enterprises in the park that meets the takeover standards (except for the default of the sewage producing enterprises).
7. If the water quality exceeds the takeover standard or the contract, the sewage treatment plant has the right to close the valve, refuse to accept it, and report to the environmental protection department in time.
Nine, these Provisions shall be interpreted by the Rugao Port Economic Development Zone Management Committee.
Ten, these Measures shall come into force as of the date of promulgation.
April 2007 1 day