I. Pre-construction Safety Inspection
1. Confirm that there are no residual paint, thinner, or other flammable and explosive substances inside the can. Do not squeeze, shake, or disassemble the can to avoid explosions caused by residual volatile gases igniting in the presence of an open flame. There have been cases of serious burns suffered by waste collectors due to handling cans containing paint residue.
2. Before recycling, thoroughly dry the can in a well-ventilated area and seal the opening to prevent leakage and contamination of other recyclable materials.
II. Compliance and Qualification Verification
1. You must choose a licensed recycling organization with a hazardous waste management license. It is strictly forbidden to hand over waste paint cans to unlicensed individuals or informal sites. These sites are explicitly prohibited from purchasing hazardous waste by the public security department, and illegal transactions will result in penalties such as license revocation and heavy fines.
2. When recycling in bulk, sign a formal handover agreement with the recycler, retain a complete hazardous waste transfer manifest, and maintain proper environmental records to mitigate subsequent environmental compliance risks.
III. Standardized Sorting Procedures
1. Metal cans that are completely free of residue, after verification, can be recycled as ordinary recyclable metals. Cans with residue belong to HW49 hazardous waste and must be stored separately in sealed containers. Mixing them with ordinary household waste or other recyclables is strictly prohibited.
2. For discarded plastic paint cans, please consult the local recycling center's acceptance rules in advance. Some areas only accept completely clean plastic cans; cans with minor stains must be sent to a designated hazardous waste disposal site.
IV. Standardized Recycling Process
1. During transportation, use sealed, leak-proof specialized vehicles to avoid secondary pollution caused by can breakage. The entire process must be traceable and standardized.
2. After recycling, prioritize resource recovery methods such as cleaning and reuse, and metal crushing and smelting. Avoid direct incineration or landfill, balancing environmental benefits with resource recycling value.

