OBJECTIVES To evaluate the personal exposure of members of the general public to atmospheric benzene, toluene, and the xylenes, excluding exposure from active smoking. METHOD 50 volunteers were equipped with active air samplers for direct measurement of personal exposure to monoaromatic hydrocarbons (MAH) and an activity diary was completed during each sampling period. Exposures were also est...

With reference to the technical standards of radiation monitoring professionals in “National Post and Occupational Skills Appraisal Evaluation System”, idea simulation system development integration is adopted build a warehouse environment personal experiment for principle teaching installation operations. Through establishment experiments such as environmental dose measurement, surface polluti...