The discharge point of solid waste shall be marked on the material flow chart and boiler muffler, and the composition, emission intensity, treatment (disposal) method and discharge destination shall be indicated in corresponding drawings and tables. The prevention and control of solid waste shall conform to the principles of resource utilization, harmlessness and reduction. The price of mufflers, various solid wastes discharged from production devices and auxiliary facilities shall be classified according to their properties and characteristics, and recovery or other disposal measures shall be taken; for solid wastes with no recovery value, disposal measures such as incineration and landfill can be adopted; for solid wastes not collected temporarily, such disposal measures as stacking and landfill shall be taken. In the process of collection, storage, transportation, recovery, treatment and disposal of solid waste, if there is secondary pollution, corresponding prevention and control measures shall be taken. The use of phosphogypsum and other chemical wastes, especially those containing heavy metals and their compounds, to produce civil building materials and other products shall comply with the relevant provisions of the current national standard "limit standard for radioactive substances in industrial wastes of building materials" (GB6763); the chemical wastes used for the construction of non civil buildings and building materials such as dams, running tracks and highways shall be subject to environmental impact assessment And approved by the environmental protection department. The tender documents must be delivered to the designated place before the deadline for tender submission, and the original of the power of attorney of the legal representative (the original of the power of attorney of the legal representative is also valid in the original part of the qualification examination materials and certificates sealed in the tender documents), as well as the valid identity certificate (original) of the bidder; the bid evaluation committee shall confirm the bidding qualification. The tender documents must be delivered to the designated place of tender acceptance and generator muffler before the deadline for tender submission, and the original of the power of attorney of the legal representative (the original of the power of attorney of the legal representative is also valid in the original part of the qualification examination materials and certificates sealed in the tender documents), as well as the valid identity certificate of the bidder (the original); the bid evaluation committee shall confirm the bid Bid qualification.