一、序言 70年代以来,随着环境污染问题的日益突出,欧洲许多研究机构对环境污染问题进行了研究和测量,获得了大量的研究成果。由于多年来研究方法的不统一,同一研究内容使欧洲国家之间、甚至一国地区间的研究数据不能进行比较。欧共体在制定和执行环境保护政策过程中,由于缺乏统一标准和依据,各国代表众 I. Preface Since the 1970s, with the increasingly prominent environmental pollution problems, many European research institutions have conducted research and measurement on environmental pollution and obtained a great deal of research results. Due to the unification of research methods over the years, the same research content can not compare the research data among European countries or even in one country's region. In the process of formulating and implementing environmental protection policies, due to the lack of uniform standards and basis, the EC representatives