ISO 12122-1:2014给出了根据试验值计算确定的木材产品总体特征值的方法。 它提出了确定以下内容的方法:基于均值的属性的特征值；以及基于第5百分位的属性的特征值。

ISO 12122-1:2014 gives methods for the determination of characteristic values for a defined population of timber products, calculated from test values. It presents methods for the determination of: characteristic value of mean-based properties; and characteristic value of 5th percentile-based properties.