As China attaches great importance to environment and increases the awareness of enterprise cleaner production, the collection and disposal of soot coming from fastener enterprises will be given full attention step by step."
Soot is produced in the whole cold heading process of threaded fasteners, from the course of forming materials to the finished products. Different steps, different degrees of pollution. The multistage combined cold heading machines produce the most pollutant, followed by one die double blow heading machines. After the processing fasteners are quenched and tempered, much smear is left on the surface. Some still remains even though they are cleaned and tempered again. Compared with the big pollution sources that deteriorating the air environment, the kind of pollution takes up a small percentage, though. However, it contains soot of complicated complex, such as carbon black and dust. According to a study, soot consists of a great deal of carcinogen such as benzene and PCDD. Once emitted in the workshop, the soot will do harm to the human body. Emitted outside the workshop, the soot will pollute the environment. Furthermore, attached on the equipment, the condensate of the soot will contaminate the electric appliance and cause problems such as arcing or short circuit. Thereby, the normal operation of equipment will be affected.
As a result, as China attaches great importance to environment and increases the awareness of enterprise cleaner production, the collection and disposal of soot coming from fastener enterprises will be given full attention step by step.
For the emission limit of soot in fastener enterprises, China has not put forward related environmental standards yet. However, in some cities or some eco-friendly regions, the problems of soot pollution and noise in fastener enterprises or workshops have caught the environmental department's attention. It is a must for fastener enterprises to solve soot pollution and noise problem immediately.
At present, the following three standards could be kept for reference in terms of the emission limit of soot and noise in fastener enterprises: 1. Occupational Exposure Limit for Hazardous Agents in the Workplace GBZ2-2002, which emphasizes on people's health under the working conditions; 2. Integrated emission standard of air pollutants GB16297-1996, which considers the emission limit; 3. Emission standard of cooking fume GB18483-2001, which aims at the area of catering. As for fastener enterprises, they should confirm the measures based on the above standards and consult with the department of environment.
In order to be competitive in the international trade, quite a few fastener enterprises implement ISO9000, QS9000, and ISO14000, which urges fastener enterprises to achieve emission limit and satisfactory effects by reasonably collecting and purifying the soot in the heavily polluted workshops. ISO14000 focuses on environment-friendly and involves a variety of social responsibilities. It is apparent that the responsibilities bring too much pressure to the fastener enterprises, especially those labor-intensive ones.
In China, private-owned fastener enterprises take up a large percentage. However, most of the scales are small, with worse working conditions and less welfare. Additionally, the workers are not well-educated and the rights for employees are not well ensured. Under such background, there is no doubt that the implementation of ISO14000 is good for the realization of employees' rights.
The social responsibilities of enterprises have become the hot topic day by day. Although ISO14000 just restricts the export-oriented enterprises, in a long term, it will bring positive impact to all enterprises when social responsibilities of enterprises turn to be the international standard. Yet, it is a trend, no matter your products are exported or not. The employees should notice this chance to maintain their rights, while the employers will find more business opportunities from that.
Translated by Alice
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