五氯酚 (PCP)是一种广谱杀虫剂 ,在我国广泛用于杀灭钉螺 ,但对鱼类、贝类等水产品有剧毒。现在虽已基本停止使用 ,但由于长期的广泛使用 ,已对环境造成一定程度的污染 ,且将会持续相当长一段时间。而且残留的PCP还能通过食物链进入人体而富集。双壳类水产品被我国沿海地区居民 Pentachlorophenol (PCP) is a broad-spectrum insecticide widely used in China to kill snails, but is highly toxic to fish, shellfish and other aquatic products. Although it has basically stopped its use now, its long-term widespread use has caused some degree of pollution to the environment and will continue for a long period of time. And residual PCP can also enter the body through the food chain and enrichment. Bivalve aquatic products are residents of China’s coastal areas