除了发现产品含有少量有毒的抗冻剂成分二甘醇外，FDA的药物分析部门还在测试样本中发现亚硝胺类等致癌物质。
Besides finding traces of the toxic antifreeze component diethylene glycol, the FDA's Division of Pharmaceutical Analysis also discovered carcinogens such as nitrosamines in the samples it tested.
由于某些促进剂中含有仲胺，这是亚硝胺的主要来源，因此人们正在考虑使用一类新的促进剂。
Due to secondary amines existed in some accelerants, which is the main source of nitrosamine, so it is considered to use a new type of accelerant.
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