本评估程序旨在替代AATCC EP1的目视方法。它适用于任何涉及灰阶的试验方法，但涉及使用含有荧光增白剂（FWA）的溶液进行处理的试验方法除外。

This evaluation procedure is intended as an alternative to the visual method of AATCC EP1. It is applicable to any test method referring to gray scales except those which involve treatment with solutions containing fluorescent whitening agents (FWA).