使用动物垫料添加机或垫料倾倒机时人员呼吸防护用品的评估
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(1. 中美冠科生物技术(太仓)有限公司,江苏太仓 215414; 2. 上海药明康德新药开发有限公司,江苏苏州 215104; 3. 青岛海华生物医药技术有限公司,山东青岛 266500)

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R-33

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Assessment of human respiratory protective equipment when using animal bedding filling or dumping machine
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(1. Crown Bioscience(Taicang) Inc,Taicang 215414,China; 2. WuXi AppTec,Suzhou 215104; 3. Qingdao Haihua Biomedicine Technology Co. ,Ltd,Qingdao 266500)

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    摘要:

    目的 通过检测分析垫料装填倾倒和过程中工作区域内空气粉尘以及氨气的浓度,来评估工作环境的气体危害,以帮助实验动物机构选择合适的呼吸防护用品?方法 选定有垫料的工作区域,连续采样3 次?自检了工作状态时垫料倾倒工作区域空气中的氨浓度并委托第三方检测公司检测了垫料装填和倾倒过程中的空气粉尘浓度?结果 检测结果发现,工作状态时垫料倾倒工作区域空气中的平均氨浓度为0. 19 mg/ m3 , 垫料分装过程中的平均空气粉尘浓度为0. 55 mg/ m3 ,倾倒过程中的平均粉尘浓度为0. 27 mg/ m3 ?上述结果均远远小于国家标准规定的工作场所有害物质浓度?结论 根据GBT18664?2002 的标准,判定理论上使用动物垫料添加机或垫料倾倒机的实验动物机构,在操作时无需使用N95 口罩?建议实验动物生产或使用单位配备动物垫料添加机或垫料倾倒机并按照国标做职业健康检测及风险评估以保护工作人员及环境,并根据具体情况配备不同的呼吸防护用品?

    Abstract:

    Objective To help organizations choose the appropriate respiratory protective equipment for employees, we assessed the air dust and ammonia concentrations during the use of bedding filling and dumping equipment under normal working conditions. Methods Dust testing was performed in a bedding storage room where the bedding filling machine was in use and in a soil bedding dumping area where the dumping machine was in use. On a random working day, we collected samples based on standard method and conducted air ammonia testing using a handheld ammonia testing machine. Both employees and the equipment were under normal working conditions. The samples were collected three times at 30, 45, and 60 min after starting the equipment for filling and dumping. Air dust was tested in a laboratory based on a standard method . Results The test result showed that the average concentration of ammonia in the air was 0. 19 mg/ m3, and the average air dust concentrations were 0. 55 mg/ m3and 0. 27 mg/ m3in the bedding filling area and bedding dumping area, respectively. All concentrations were lower than the allowed working area hazard concentration. Conclusions The N95 mask might not be needed when working with bedding filling machines and bedding dumping machines. Reevaluation is suggested for all those using production units.

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王昌耀,钱丹萍,孔庆学,邵奇鸣.使用动物垫料添加机或垫料倾倒机时人员呼吸防护用品的评估[J].中国比较医学杂志,2018,28(8):16~20.

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  • 收稿日期:2018-06-17
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  • 在线发布日期: 2018-09-17
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