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Study on analytical method and international quality control program for environmental lead  

Choi, Inja (Wonjin Institute for Occupational and Environmental Health)
Yoon, Chungsik (Department of Occupational Health, Catholic University of Daegu)
Kang, Taesun (Wonjin Institute for Occupational and Environmental Health)
Yang, Wonsu (Wonjin Institute for Occupational and Environmental Health)
Park, Dong Uk (Department of Environmental Health, Korea National Open University)
Park, Doo Yong (Department of Industrial Safety Engineering, Hansung University)
Publication Information
Analytical Science and Technology / v.15, no.4, 2002 , pp. 381-387 More about this Journal
Abstract
In this study, we introduced experience participated in ELPAT (Environmental Lead for Proficiency Analytical Testing) program that is administered by the American Industrial Hygiene Association and EPA. The 126 sample results of total 128 samples met reference value, as a result accepted 'proficient'. The concentration of Pb in air, paint chips, soils and dust wipes are $0.0089{\sim}0.3956mg/m^3$, 0.0500~8.9149%, 29.0${\sim}$1697 mg/kg and $18.00{\sim}900.3{\mu}g/sample$, respectively. The lead in environmental matrix prepared adequate techniques and analysed by flame atomic absorption spectrometry. The lead in air was extracted hydrochloric acid, in paint chips and soils were digested with microwave and hotplate and in dust wipes were prepared microwave digestion. No differences of each preparation techniques was found and all methods were to be proper.
Keywords
lead; ELPAT; soil; paint chips; microwave; hotplate; digestion; quality control;
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