为了解娱乐场所中麦克风的污染情况。我们对海林镇七家舞厅及卡拉OK厅的麦克风进行了调查采样。现将调查结果报告如下: 按黑食监字(1984)9号文件滤纸粘贴法取样,常规细菌培养方法检验,菌落数<20个/c~2为合格。 本次调查共采集14份样品,麦克风头部与柄部各7份,从附表监测结果看,两者细菌污染均超过 To understand the microphone pollution in entertainment venues. We conducted a survey on the microphones of seven ballrooms and karaoke halls in Hailin Town. The survey results are reported as follows: According to the black food supervisor word (1984) No. 9 file filter paper sampling, conventional bacterial culture test, the number of colonies <20 / c ~ 2 is qualified. The survey collected a total of 14 samples, the head of the microphone and the handle of 7 copies, from the Schedule monitoring results, both bacterial contamination than