...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Occupational and environmental medicine >Exposure to particulate matter on an Indian stone-crushing site.
【24h】

Exposure to particulate matter on an Indian stone-crushing site.

机译：在印度的一块石头破碎场所暴露于颗粒物。

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

BACKGROUND/OBJECTIVES: A large number of labourers work in the stone-crushing industry in India. Many of these workers are also exposed to high levels of particulate matter in their homes from the use of biomass fuels. As part of our investigations to examine the health of these workers we characterised their exposure to respirable crystalline silica and a number of other particulate matter exposure metrics in both occupational and domestic settings. METHODS: We used a combination of direct reading and gravimetric sampling of respirable dust, total inhalable dust and particulate matter <2.5 mum in diameter (PM(2.5)) at work (n = 19), within the general environment (n = 6) and inside the home (n = 7). We used x-ray diffraction to quantify the level of crystalline silica in the respirable dust samples. RESULTS: After correcting for the length of the working week, the arithmetic mean 8-hour time-weighted average (TWA) total inhalable dust exposure for this group was 143 mg/m(3), the mean 8-hour TWA respirable dust exposure was 39.7 mg/m(3) and the 8-hour TWA crystalline silica exposure was 2.29 mg/m(3). Our real-time data showed peaks in exposure under certain environmental and/or working conditions. General environmental and domestic PM(2.5) exposures were also high. CONCLUSIONS: Particulate matter exposures experienced by this group of workers and their families are likely to produce impaired lung function within a short time-frame. There is a need to introduce simple measures to reduce particulate matter exposure from both occupational sources and the use of biomass fuels in homes on this and similar sites.
机译：背景/目标：印度的碎石行业有大量的工人。这些工人中的许多人还因使用生物质燃料而在家中暴露于高水平的颗粒物。作为检查这些工人健康状况的调查的一部分，我们对他们在职业和家庭环境中暴露于可呼吸的结晶二氧化硅的暴露程度以及许多其他颗粒物暴露指标进行了表征。方法：在正常环境（n = 6）下，我们在工作中（n = 19）使用直接读数和重量采样法对可吸入灰尘，总可吸入灰尘和直径小于2.5微米（PM（2.5））的颗粒物（n = 19）进行组合在屋子里（n = 7）。我们使用X射线衍射来量化可吸入粉尘样品中结晶二氧化硅的含量。结果：校正工作时间后，该组的8小时时间加权平均值（TWA）的可吸入平均粉尘算术平均值为143 mg / m（3），平均8小时TWA可吸入粉尘暴露量是39.7 mg / m（3），8小时TWA结晶二氧化硅的暴露量是2.29 mg / m（3）。我们的实时数据显示在某些环境和/或工作条件下的暴露峰值。一般环境和家庭PM（2.5）暴露也很高。结论：该组工人及其家人所经历的颗粒物暴露可能在短时间内导致肺功能受损。有必要采取简单的措施，以减少来自职业来源的颗粒物暴露以及减少该地点和类似地点的房屋中生物质燃料的使用。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号