【正文】 Pollution by Household WasteArticle 38 People39。s governments at or above the county level shall make overall plans for constructing facilities for collecting, transporting and treating urban and rural household waste, increase its utilization ratio and the proportion in which it is made innocuous through treatment, promote its industrialized collection and treatment, and gradually establish a sound social service system for prevention and control of environmental pollution by household waste. Article 39 The administrative departments for environmental protection of the local people39。s governments at or above the county level shall take charge of cleaning up, collecting, transporting and treating urban household waste. They may, by such means as bid invitation, select qualified units to clean up, collect, transport and treat household waste. Article 40 Urban household waste shall, in accordance with the regulations of the administrative departments for environmental sanitation, be placed at designated points and shall not be dumped, littered or piled up at will. Article 41 Urban household waste shall be cleaned up, collected, transported and treated in pliance with the State regulations for environmental protection and sanitation, in order to prevent environmental pollution. Article 42 Urban household waste shall be cleaned up and transported in a timely manner, it shall gradually be classified in different categories for collection and transportation, and efforts shall be made to have it rationally utilized and turned into something innocuous through treatment. Article 43 Urban people39。s governments shall, in a planned way, improve the fuel mix, and develop coal gas, natural gas, liquefied gas and other clean energy for use in cities. The relevant departments of an urban people39。s government shall arrange for the supply of clean vegetables in cities, in order to reduce the quantity of urban household waste. The relevant departments of an urban people39。s government shall make overall plans to rationally establish networks for purchasing household waste, in order to promote the recycling of such waste. Article 44 Facilities and grounds for treatment of household waste shall be built in pliance with the standards for environmental protection and sanitation prescribed by the administrative department for environmental protection under the State Council and the administrative department for construction under the State Council. Unauthorized closing, leaving idle and dismantling of facilities and grounds for treatment of household waste is prohibited. If it is really necessary to close, leave idle or dismantle such facilities and grounds, the matter shall be subject to examination and approval by the administrative department for environmental sanitation and the administrative department for environmental protection of the local people39。s government at or above the county level, and measures shall be taken to prevent environmental pollution. Article 45 Recycled materials from household waste must be used in accordance with the purposes or standards specified by the State and shall not be used for the manufacture of products that may cause harm to human health. Article 46 Construction units shall have their solid waste, left in the course of construction, promptly cleaned up and moved away, and have it utilized or treated in pliance with the regulations of the administrative department for environmental sanitation. Article 47 Units engaged in public transportation shall, in accordance with relevant State regulations, have the household waste, which is scattered in the course of transportation, cleaned up and collected. Article 48 Units engaged in developing new urban areas, redeveloping existing urban areas and developing residential quarters, or engaged in the operation and management of public facilities and grounds such as airports, wharves, bus stops or railway stations, parks or shops shall, in accordance with the State regulations for environmental sanitation, construct supporting facilities for collecting household waste. Article 49 The specific measures for preventing and controlling environmental pollution by rural household waste shall be formulated in local regulations. Chapter IV Special Regulations for Prevention and Controlof Environmental Pollution by Hazardous WasteArticle 50 The provisions of this Chapter shall be applicable to prevention and control of environmental pollution by hazardous waste. With regard to cases for which no provisions are formulated in this Chapter, other relevant provisions of this Law shall apply. Article 51 The administrative department for environmental protection under the State Council shall, in conjunction with the relevant departments under the State Council, formulate the national catalog of hazardous waste, lay down unified criteria, methods and signs for identifying, differentiating and distinguishing hazardous waste. Article 52 Distinguishing signs of hazardous waste shall be put on the containers and packages of hazardous waste as well as on the facilities and grounds for collection, storage, transportation and treatment of such waste. Article 53 Units where hazardous waste is generated shall, in accordance with relevant State regulations, formulate plans for control of hazardous waste and provide information about the types, quantities, flow direction, storage, treatment, etc. of hazardous waste to the administrative departments for environmental protection of the local people39。s governments at or above the county level in the places where they are located. The plan for control of hazardous waste as mentioned in the preceding paragraph shall include the measures for reducing the quantity of hazardous waste generated and its harmfulness and the measures for storing, utilizing and treating such waste. The plan for control of hazardous waste shall be submitted for the rec