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 09

EU-Colombia/Peru/Ecuador Trade Agreement

4 RegelnToleranz: 10%2013

0901Coffee, whether or not roasted or decaffeinated; coffee husks and skins; coffee substitutes containing coffee in any proportion

Manufacture in which all the materials of chapter 9 used are wholly obtained.