编者按：近来经常有些单位或个人来信来函询问有关无公害农产品的生产、登记、质量认证和标准使用等方面的问题，现请省环保监测站胡玉清、黄玉宾同志汇总答复如下，供大家参考。一、什么是无公害农产品？无公害农产品是指没有受到对人体产生有害后果的物质污染的农产品。但是 Editor’s Note: Recently, some units or individuals have often sent letters to ask about the production, registration, quality certification and standard use of pollution-free agricultural products. Now, please give your reference to the following responses from the provincial environmental protection monitoring stations Hu Yuqing and Huang Yubin. First, what is pollution-free agricultural products? Pollution-free agricultural products are agricultural products that are not contaminated by substances that have harmful effects on the human body. but