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60 key points for law enforcement inspections of VOCs


Time:

2023-09-21

This article summarizes 60 key contents of VOCs law enforcement inspections through four aspects: source control, ledger requirements, sealing requirements, and governance facilities.

This article summarizes 60 key contents of VOCs law enforcement inspections through four aspects: source control, ledger requirements, sealing requirements, and governance facilities.

 

1、 Source control

1. Whether to produce products that should be eliminated.
2. Whether to use production equipment that should be eliminated.

 

2、 Ledger requirements

3. Is there a ledger established for raw materials, including procurement, usage and consumption of raw materials, and inventory balance of raw materials.
4. Is the ingredient manual and inspection report of raw and auxiliary materials kept.
5. Is a production product ledger established, including product output, sales records, and inventory records.
6. Whether to save the original documents such as raw and auxiliary material delivery notes and purchase invoices.
7. Has the ledger been kept for more than three years.

 

3、 Sealing requirements

8. Whether the raw materials containing VOCs are sealed during storage.
9. Whether the raw materials containing VOCs are sealed during transportation and transportation.
10. Whether the raw materials containing VOCs are sealed during the preparation or pre-treatment process, such as the mixing room and mixing position.
11. Whether the raw materials containing VOCs are sealed during the dosing process.
12. Is the intermediate product containing VOCs sealed during storage.
13. Is the intermediate product containing VOCs sealed during transportation and transfer.
14. Is the intermediate product containing VOCs sealed during the dosing process.
15. Is the finished product or product containing VOCs sealed during storage.
16. Whether finished products or products containing VOCs are sealed during transportation and transportation.
17. Is the finished product or product containing VOCs sealed during the feeding and filling process.
18. Is the finished product or product containing VOCs sealed during the packaging process.
19. Are the feeding ports, discharge ports, filling interfaces, and packaging facilities related to VOCs sealed when not in use.
20. Whether hazardous waste containing VOCs is immediately sealed after generation, including paint residue, replaced VOCs adsorbent filter cotton, packaging materials containing ink, organic solvents, cleaning agents, sewage treatment waste, etc.
21. Is hazardous waste containing VOCs sealed during storage.
22. Is hazardous waste containing VOCs sealed during transportation, transportation, and transfer.
23. Are all production vehicles or workshop doors and windows of production facilities that generate VOCs sealed.
24. Are the doors and windows of all production workshops or facilities that generate VOCs equipped with normally closed warning signs or operating procedures.
25. Are there any exhaust fans or ventilation fans collected in all production workshops that generate VOCs.
26. Are all production workshop doors that generate VOCs equipped with barrier facilities, such as double doors.
27. Are all production workshops that generate VOCs under micro negative pressure.
28. Are there any air leakage points in all production workshops or facilities that generate VOCs.
29. Is the reaction, stirring, and mixing process of VOCs containing materials collected in a sealed manner.
30. Whether the separation and refining process of VOCs containing materials is closed and collected.
31. Does the process of equipment startup, shutdown, maintenance, and cleaning reduce the escape of VOCs.
32. Is the treatment structure of the sewage treatment station covered and sealed.
33. Is the waste gas from the sewage treatment station collected and treated.
34. Is the VOCs gas collection pipeline marked with the direction of exhaust gas.
35. Are all production sites and sections that may generate VOCs equipped with exhaust gas collection systems to collect the exhaust gas in place and introduce it into the exhaust gas treatment facilities.

 

4、 Governance facilities

36. Is the opening and closing time of the exhaust gas collection system, treatment facilities, and production equipment recorded.
37. Whether the switching time of facilities and equipment is written in the operating procedures and explicitly announced.
38.  Is the on/off time of the exhaust gas collection system, treatment facilities, and production equipment consistent.
39. Is the instantaneous emission concentration of any pollutant in non methane total hydrocarbons, benzene, toluene, xylene, acetic acid, methyl acetate, ethyl acetate, acetone, and cyclohexanone at any point outside the closed facility lower than twice the unorganized emission standard value.
The maximum possible points for inspection include: raw material warehouses or raw material storage tanks, hazardous waste warehouses, and at least three points for the maximum possible unorganized emissions.
40. Whether the VOCs treatment facilities are in normal operation and whether the purification efficiency of the treatment facilities is higher than 50%.
41. Is the process flow of VOCs treatment facilities publicly disclosed.
42. Is the overall process introduction of VOCs treatment facilities publicly available.
43. Is the main technical parameters of VOCs governance facilities publicly available.
44. Is the operating procedures for VOCs governance facilities publicly available.
45. Is the maintenance system for VOCs governance facilities publicly disclosed.
46. Is the location of the public announcement the location of the governance facility.
47. How many locations are there in the public display.
48. The specific location of the public announcement site.
49. Does all public content include the disclosure of environmental reporting and complaint calls.
50. Are the key technical indicators of VOCs treatment facilities recorded, such as the combustion temperature for incineration containing thermal oxidation.
51. If it is necessary to regularly replace adsorbent catalysts or absorption liquids, is there a detailed purchase ledger and replacement ledger, including the latest updated daily records of loading amount, replacement cycle, purchase invoice, and transfer disposal records.
52. Does the number of exhaust pipes meet the requirements
(1) For VOCs waste gas treatment using combustion methods (including direct combustion, catalytic combustion, and thermal storage combustion), each combustion facility is allowed to set up one VOCs exhaust funnel
(2) If other methods are used to treat VOCs emissions, only one VOCs exhaust pipe is allowed to be installed in each building of an enterprise.
53. Are there any other exhaust outlets and air outlets for VOCs.
54. Before using the activated carbon treatment process to treat the waste gas into the activated carbon adsorption box, is there a drying process equipped and the replacement cycle and filling amount of the dehumidifier should be announced.
55. Is the activated carbon adsorption box equipped with a particle removal process for the treatment of paint exhaust gas using activated carbon.
56. Is the exhaust funnel equipped with sampling ports in accordance with the requirements of the "Technical Specification for Fixed Source Monitoring" (HJT397).
57. Is a sampling platform set up at the sampling port of the exhaust funnel.
58. Is there a fixed power supply installed near the sampling port of the exhaust funnel.
59. Is there a fixed and safe personnel passage set up at the sampling port of the exhaust funnel.
60. Is there any other exhaust gas entering the exhaust funnel after the sampling port of the exhaust funnel.

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