What is the tolerance threshold under the EU-Andean?

The general tolerance is 10% of the ex-works value of the finished product.

EU-Andean - HS 80

EU-Colombia/Peru/Ecuador Trade Agreement

2 reglesTolerance: 10%2013

8001Unwrought tin

Manufacture from materials of any heading, except that of the product. However, waste and scrap of heading 8002 may not be used.

8001Unwrought tin

Manufacture from materials of any heading, except that of the product. However, waste and scrap of heading 8002 may not be used.