一、概况1989年第4季度国家技术监督局委托我部有关监测中心实施国家监督抽查的产品有化学试剂、甲醇、硅酸钠和石墨设备四种,共抽查了132个企业的165个样品,有115个样品合格,抽查合格率为69.7%,比去年同期提高了1.02%。 I. Overview In the fourth quarter of 1989, the State Administration of Technical Supervision entrusted the Ministry of Supervision with the relevant monitoring centers to implement national supervision and spot checks. There are four types of chemical reagents, methanol, sodium silicate and graphite equipment. A total of 165 samples of 132 companies were sampled. 115 samples were qualified, and the pass rate for spot checks was 69.7%, an increase of 1.02% over the same period of last year.