目前,农贸市场和小食品市场普遍用塑料食品袋包装鱼、肉、蔬菜和小食品。这些塑料食品袋,有的是用聚乙烯制成的,无毒性;有的是用聚氯乙烯制成的,有毒性。有些个体户因贪图聚氯乙烯食品袋价格便宜,往往购入聚氯乙烯食品袋盛装鱼、肉、蔬菜和小食品销售给消费者。要识别有毒和无毒的塑料食品袋并不难,采用手摸法和燃烧法都可识别出来。手摸法是用手摸塑料食品袋,摸在手里有润滑感的,是无毒的聚乙烯食品袋;如果摸在手里感觉到有些 At present, farmer’s markets and small food markets generally use plastic food bags to package fish, meat, vegetables and snacks. These plastic food bags, some made of polyethylene, non-toxic; some are made of polyvinyl chloride, toxic. Some self-employed people often buy PVC food bags for fish, meat, vegetables and snacks for consumers because of the cheaper price of polyvinyl chloride food bags. It is not difficult to identify toxic and non-toxic plastic food bags, both by hand and by burning method. Hand touch method is to touch the plastic food bag, touch in the hands of a sense of lubrication, is a non-toxic polyethylene food bags; feel in the hands of some