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 25

EU-Colombia/Peru/Ecuador Trade Agreement

23 reglesTolerance: 10%2013

2501-2503Salt; sulphur; earths and stone; plastering materials, lime and cement

CTH

Manufacture from materials of any heading, except that of the product.

2501-2503Salt; sulphur; earths and stone; plastering materials, lime and cement

CTH

Manufacture from materials of any heading, except that of the product.