Guidelines for Metals and Metalloids in Ambient ... - ARCHIVE: Defra

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Acknowledgments We thank the following individuals for their help: Professor Lee Newman, University of Colorado, for his help on beryllium xii
Summary of Recommendations The Expert Panel on Air Quality Standards has considered arsenic, nickel, beryllium and chromium to set air quality guideline values based on the available published literature. For each we describe the physicochemical, properties of each of these, sources in the UK atmosphere, ambient concentrations, human exposures, metabolism and human and animal health effects. We also looked at evaluations and recommendations by other organisations, justification for an air quality guideline and concluded with our recommendations which are summarised below: • Arsenic – 3 ng/m 3 total inorganic arsenic in the PM10 fraction, as an annual mean. • Nickel – 20ng/m 3 total nickel compounds in the PM10 fraction, as an annual mean. • Beryllium – 0.2 ng/m 3 total beryllium in the PM10 fraction, as an annual average. • Chromium – 0.2ng/m 3 in the Cr(VI) oxidation state in the PM10 as an annual average. xiii
Page 1 and 2: Department for Environment, Food an
Page 3 and 4: Department for Environment, Food an
Page 5 and 6: Contents Contents Terms of Referenc
Page 7 and 8: 3.5 Justification for air quality g
Page 9 and 10: Terms of Reference The Expert Panel
Page 11 and 12: Dr Alison Searl BSc, MSc, PhD Insti
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Page 18 and 19: Expert Panel on Air Quality Standar
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Expert Panel on Air Quality Standar
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Chapter 5 Chromium 5.1 Background 5
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Chromium stations, industry and for
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Chromium 245. Occupational exposure
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Chromium 5.2.3 Tissue distribution
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Chromium occasionally reached level
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Chromium 5.3.4.2 Human studies 272.
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Chromium 282. The WHO (2000) classi
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Chromium 5.5. Justification for air
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Chromium 5.6. Recommendation 304. 0
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Chromium HSE (2002). EH64 Summary C
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Chromium Nethercott, J., Paustenbac
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Chromium Von Burg, R. and Liu, D. (
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Abbreviations ACGIH American Confer
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Glossary Acute toxicity / effects A
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Glossary Epidemiology Epithelium Fe
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Glossary Metalloid Mucocilliary tra
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Glossary Threshold Limit Values (TL
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Appendix 1 Setting air quality stan
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Appendix 1 hours per week for a 40
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Appendix 1 arrive at a single conce
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ISBN 978-0-85521-185-1 £10.00 Prod
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