This method uses a TCLP followed by 9 simulated acid rain extractions on the same sample. In general, the MEP is a more rigorous test for the following reasons: TCLP and SPLP are designed to simulate 100 years of exposure in a landfill. MEPs are designed to simulate 1000 years in a landfill. Laboratory automatic rotary stirrer is a kind of laboratory pretreatment equipment applicable to the washing of solid waste by rotation. This is the standard solid waste regulation tool
