美国废纸分类指南自上世纪80年代以来不断进行调整和修改,最新的PS-2003(2003年版)是在PS-96的基础上修订的,废纸分类指南PS-2003将普通废纸分为51种、特殊级别废纸分为35种,各种废纸的编号、名称和质量标准列于表1和表2.一、美国度纸分类指南PS-2003特点 The US Guidelines for the Classification of Waste Paper have been continuously adjusted and revised since the 1980s. The latest PS-2003 (2003 edition) was revised on the basis of the PS-96. The Waste Paper Classification Guide PS-2003 classifies ordinary waste paper into 51 kinds of special grade waste paper is divided into 35 kinds of waste paper number, name and quality standards are shown in Table 1 and Table 2. First, the United States degree paper classification guide PS-2003 Features