Treat contamination like process variation
Frame a contamination problem with DMAIC so improvement work moves from complaint to measured control.
The move: make contamination measurable before making it political. DMAIC gives you a sequence for improving a process without guessing. Define the exact defect. Measure the baseline. Analyze where the defect comes from. Improve with a targeted test. Control the new standard so the gain survives the next busy week. In recycling, the defect might be bagged recyclables, food residue in fiber, lithium batteries in mixed containers, glass in a stream that cannot handle it, or wet OCC. Each defect has a different source and a different fix. DMAIC prevents a broad message like recycle better from replacing a precise…
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