SortLab
The contamination playground. Same item, two conditions, three regions — watch the verdict flip. This is the brain SortCall brings to every sort.
Pick an item
Condition: clean & dry
Recycle· curbside bin
Clean corrugated cardboard is widely recyclable. Flatten it and keep it dry.
Impact if sorted this way: +0.18 kg CO₂e
Condition: contaminated
Landfill· trash bin
Grease and cheese soaked into cardboard cannot be filtered out during paper recycling — it ruins the whole batch. Torn clean lids can still be recycled.
Impact if sorted this way: +0.00 kg CO₂e
⚡ Same item — different bins. Condition is the whole ballgame.
How regions call the contaminated version
Generic US (curbside)Landfill· trash bin
San Francisco, CA (Recology)Compost· organics bin
New York City (DSNY)Landfill· trash bin
📖 The grease rule — one of 20 rules in the SortCall rulebook.