依据国家有关劳动卫生法规及卫生标准 ,对某工程生产中有害因素采取的防护措施是否达到预期效果和卫生标准进行鉴定评价 ,经劳动卫生调查和现场测试结果认为基本达到预期效果 ,但通风除尘设施还需改进完善。 According to the national labor hygiene regulations and health standards, the protective measures taken for the harmful factors in the production of an engineering project have reached the expected results and health standards. The results of the labor hygiene survey and the on-site test have basically reached the expected results. However, the ventilation and dust removal facilities Need to improve and perfect.