范围:标准M21提供最低质量控制 非压力处理木制品的检验程序 生产工厂的产品。它包含 测定温度的程序和试验方法 非压力处理的木制品是否符合 规定的标准或其他书面产品质量 规格。本标准应结合使用 根据AWPA标准U1，商品规范I: 非压力应用和AWPA标准T1 商品要求一:木制品。

Scope:Standard M21 provides minimum quality control inspection procedures of nonpressure treated millwork products at the manufacturing facility. It contains procedures and test methods for determining the conformance of nonpressure treated millwork products with specified standards or other written product quality specifications. This Standard should be used in conjunction with AWPA Standard U1, Commodity Specification I: Nonpressure Applications, and AWPA Standard T1 Commodity Requirement I: Millwork Products.